| |
|
$ | | |
| $HOME: | | Current directory and User wide |
| $HOME/.local/etc/: | | Current directory and User wide |
|
- | | |
| -- : | | Operating mode options |
| --checkconfig : | | Operating mode options |
| --cite : | | Operating mode options |
| --config=STR : | | Operating mode options |
| --disable-guide-message : | | Gnuastro configure options |
| --disable-progname : | | Gnuastro configure options |
| --dontdelete : | | Input output options |
| --enable-check-with-valgrind : | | Gnuastro configure options |
| --enable-debug : | | Gnuastro configure options |
| --enable-gnulibcheck : | | Gnuastro configure options |
| --enable-gnulibcheck : | | Known issues |
| --enable-guide-message=no : | | Gnuastro configure options |
| --enable-progname : | | Gnuastro configure options |
| --enable-progname=no : | | Gnuastro configure options |
| --enable-reentrant : | | CFITSIO |
| --hdu=STR/INT : | | Input output options |
| --help : | | Arguments and options |
| --help : | | Operating mode options |
| --help : | | --help |
| --help output customization: | | --help |
| --ignorecase : | | Input output options |
| --keepinputdir : | | Input output options |
| --keepinputdir : | | Automatic output |
| --lastconfig : | | Operating mode options |
| --log : | | Operating mode options |
| --numthreads : | | Configuration files |
| --numthreads : | | Multi-threaded operations |
| --numthreads=INT : | | Operating mode options |
| --onlyversion=STR : | | Operating mode options |
| --output : | | Configuration files |
| --output=STR : | | Input output options |
| --prefix : | | Installation directory |
| --printparams : | | Options |
| --printparams : | | Operating mode options |
| --program-prefix : | | Executable names |
| --program-suffix : | | Executable names |
| --program-transform-name : | | Executable names |
| --quiet : | | Operating mode options |
| --searchin=STR : | | Input output options |
| --setdirconf : | | Operating mode options |
| --setdirconf : | | Current directory and User wide |
| --setusrconf : | | Operating mode options |
| --setusrconf : | | Current directory and User wide |
| --stdintimeout : | | Input output options |
| --tableformat=STR : | | Input output options |
| --type=STR : | | Input output options |
| --usage : | | Arguments and options |
| --usage : | | Operating mode options |
| --usage : | | --usage |
| --version : | | Operating mode options |
| --wcslinearmatrix=STR : | | Input output options |
| --with-python : | | Gnuastro configure options |
| --without-libgit2 : | | Gnuastro configure options |
| --without-libjpeg : | | Gnuastro configure options |
| --without-libtiff : | | Gnuastro configure options |
| --without-pgplot : | | WCSLIB |
| -? : | | Operating mode options |
| -D : | | Input output options |
| -h STR/INT : | | Input output options |
| -I : | | Input output options |
| -K : | | Input output options |
| -mecube (DS9): | | Viewing FITS file contents with DS9 or TOPCAT |
| -N INT : | | Operating mode options |
| -o STR : | | Input output options |
| -P : | | Operating mode options |
| -q : | | Operating mode options |
| -S : | | Operating mode options |
| -s STR : | | Input output options |
| -T STR : | | Input output options |
| -t STR : | | Input output options |
| -U : | | Operating mode options |
| -V : | | Operating mode options |
|
. | | |
| ./.gnuastro/: | | Current directory and User wide |
| ./configure : | | Configuring |
| ./configure : | | Installation directory |
| ./configure options: | | Gnuastro configure options |
| .bashrc: | | --help |
| .bashrc: | | Generating random numbers |
|
2 | | |
| 24-bit terminal: | | Vector graphics colors |
| 2D histogram: | | Column statistics color-magnitude diagram |
| 2D histogram: | | 2D Histograms |
| 2D histogram: | | Statistical operations |
| 2MASS All-Sky Catalog: | | Available databases |
|
3 | | |
| 32-bit: | | Configuration information |
| 3D data cube: | | Detecting lines and extracting spectra in 3D data |
| 3D data-cubes: | | Dimensionality changing operators |
| 3D data-cubes: | | Measurements per slice spectra |
|
6 | | |
| 64-bit: | | Configuration information |
|
\ | | |
| \(g\) (gravitational constant): | | Constants |
| \(h\) (Plank’s constant): | | Constants |
|
A | | |
| A4 paper size: | | A4 print book |
| A4 print book: | | A4 print book |
| AAVSO Photometric All Sky Survey, DR9: | | Available databases |
| AB magnitude: | | Unit conversion operators |
| AB magnitude: | | Brightness flux magnitude |
| AB Magnitude: | | Unit conversion library |
| Abd al-rahman Sufi: | | Sufi simulates a detection |
| Abell 370 galaxy cluster: | | Detecting lines and extracting spectra in 3D data |
| Abraham de Moivre: | | Circles and the complex plane |
| ACIS: | | Detecting lines and extracting spectra in 3D data |
| ACS: | | Warp |
| ACS camera: | | Surface brightness limit of image |
| Adding Ghostscript fonts: | | Drawing with vector graphics |
| Additions to Gnuastro: | | Suggest new feature |
| Adjacency matrix: | | Binary datasets |
| Adobe systems: | | Recognized file formats |
| ADQL (Astronomical Data Query Language): | | Query |
| ADU: | | Brightness flux magnitude |
| ADU: | | Instrumental noise |
| Advanced camera for surveys: | | Warp |
| Advanced Camera for Surveys: | | Linear warping basics |
| Advanced Packaging Tool (APT, Debian): | | Dependencies from package managers |
| Affine Transformation: | | Linear warping basics |
| Airy projection: | | Align pixels with WCS considering distortions |
| AKARI/FIS All-Sky Survey: | | Available databases |
| Akima spline interpolation: | | Interpolation |
| al-Shirazi, Qutb al-Din: | | Fourier series historical background |
| Albert. A. Michelson: | | Science and its tools |
| Algorithm: watershed: | | Labeled datasets |
| Alias (shell): | | Invoking astnoisechisel |
| Alias, shell: | | Invoking astmkprof |
| Align: | | Align pixels with WCS considering distortions |
| Align: | | Interpolation |
| Align pixel and WCS coordinates: | | Align pixels with WCS considering distortions |
| Aligning an image: | | Align pixels with WCS considering distortions |
| All-sky Survey of GALEX DR5: | | Available databases |
| AllWISE Data Release: | | Available databases |
| Almagest: | | Sufi simulates a detection |
| Amplifier: | | Tessellation |
| Angular coverage: | | Brightness flux magnitude |
| Annotation of images for paper: | | Annotations for figure in paper |
| Announcements: | | Announcements |
| Anonymous bug submission: | | Report a bug |
| Anscombe F. J.: | | Science and its tools |
| Anscombe’s quartet: | | Science and its tools |
| ANSI C: | | Why C |
| Aperture blurring: | | Sigma clipping |
| apt-get : | | Dependencies from package managers |
| Arch GNU/Linux: | | Dependencies from package managers |
| Area of pixel on sky: | | Pixel information images |
| Area resampling: | | Pixel information images |
| Area, ellipse: | | Morphology measurements nonparametric |
| Argp argument parser: | | --help |
| Argp argument parser: | | Mandatory source code files |
| ARGP_HELP_FMT : | | --help |
| args.h : | | Mandatory source code files |
| Arguments to programs: | | Arguments and options |
| Aristarchus of Samos: | | Fourier series historical background |
| Array: | | Linked lists |
| ASCII plot: | | Invoking aststatistics |
| ASCII table, FITS: | | Recognized table formats |
| ASCII85 encoding: | | ConvertType input and output |
| ASCII85 encoding: | | EPS files |
| astprogname : | | Naming convention |
| Astrometry: | | Zero point estimation |
| ASTRON: | | Available databases |
| Astronomical data format: | | Recognized file formats |
| Astronomical Data Query Language (ADQL): | | Query |
| Astronomical Magnitude system: | | Brightness flux magnitude |
| Astronomical Unit (AU): | | Constants |
| Astronomical Units (AU): | | Unit conversion operators |
| Astronomical Units (AU): | | Unit conversion library |
| Asynchronous thread allocation: | | Invoking astcrop |
| Atmosphere: | | Convolve |
| Atmosphere blurring: | | Sigma clipping |
| Atmosphere emission lines: | | Sky lines in optical IFUs |
| AU (Astronomical Unit): | | Constants |
| authors-cite.h : | | Mandatory source code files |
| Auto-complete in the shell: | | Executable names |
| Autocomplete (in the shell/Bash): | | Shell TAB completion |
| Autocomplete (in the shell/Bash): | | Mandatory source code files |
| Autocomplete (in the shell/Bash): | | Bash programmable completion |
| Automatic configuration file writing: | | Configuration file format |
| Automatic output file names: | | Automatic output |
| Automatically created build files: | | Bootstrapping |
| Available number of threads: | | Multi-threaded operations |
| Average: | | Statistical operations |
| Average, weighted: | | Convolve |
| Avogradro’s number: | | Constants |
| AWK: | | Extract clumps and objects |
| AWK: | | Standard input |
| AWK: | | Table |
| AWK: | | Invoking asttable |
| AWK: | | Invoking astarithmetic |
| AWK: | | Invoking aststatistics |
| AWK: | | Table input output |
| Axis ratio: | | Defining an ellipse and ellipsoid |
| Axis ratio: | | Dimensions |
| Azimuthal range (radial profile): | | Invoking astscript-radial-profile |
| Azophi: | | Sufi simulates a detection |
|
B | | |
| Background flux: | | Sky value definition |
| Background flux: | | Photon counting noise |
| Background pixels: | | Detection options |
| Backup: | | Configure and build in RAM |
| Balmer limit: | | Spectral lines library |
| Band-merged unWISE Catalog: | | Available databases |
| Base of natural logarithm (\(e\)): | | Constants |
| Bash auto-complete: | | Shell TAB completion |
| Bash auto-complete: | | Mandatory source code files |
| Bash auto-complete: | | Bash programmable completion |
| Bash programmable completion: | | Shell TAB completion |
| Bash programmable completion: | | Mandatory source code files |
| Bash programmable completion: | | Bash programmable completion |
| Best use of CPU threads: | | A note on threads |
| Bi-linear interpolation: | | Resampling |
| Bias current: | | Tessellation |
| Bias level in detectors: | | Photon counting noise |
| Bicubic interpolation: | | Resampling |
| Bicubic interpolation: | | Quantifying signal in a tile |
| Bin width, histogram: | | Histogram and Cumulative Frequency Plot |
| Binary datasets: | | Binary datasets |
| Binary image: | | Recognized file formats |
| Binary image: | | Detection options |
| Binary table, FITS: | | Recognized table formats |
| Bisquare function of Tukey: | | Fitting options |
| Bit: | | Numeric data types |
| bit-32: | | Configuration information |
| bit-64: | | Configuration information |
| Bitwise operators: | | Bitwise operators |
| Bitwise Or: | | Arithmetic on datasets |
| Biweight function of Tukey: | | Fitting options |
| Black and white image: | | Recognized file formats |
| blank color channel: | | Recognized file formats |
| Blank data: | | Generic data container |
| Blank pixel: | | Blank pixels |
| Blank pixel: | | Conditional operators |
| Blur image: | | Convolve |
| Blur image: | | PSF |
| Blurring: | | Sigma clipping |
| Bonne projection: | | Align pixels with WCS considering distortions |
| Book formats: | | Getting help |
| Bootstrapping: | | Bootstrapping |
| Border on an image: | | Drawing with vector graphics |
| Brahe, Tycho: | | Science and its tools |
| Breadth first search: | | Defining an ellipse and ellipsoid |
| Breadth first search: | | Binary datasets |
| brew : | | Dependencies from package managers |
| Brightness: | | Brightness flux magnitude |
| Brightness: | | Galaxies |
| Buffers (Emacs): | | Coding conventions |
| Bug: | | Report a bug |
| Bug: | | Gnuastro project webpage |
| Bug reporting: | | Report a bug |
| Bug tracker: | | Report a bug |
| bug-gnuastro@gnu.org : | | Report a bug |
| Build: | | Quick start |
| Build individual profiles: | | MakeProfiles output dataset |
| Build tree: | | Test scripts |
| Building from source: | | Dependencies from package managers |
| Butterfly projection: | | Align pixels with WCS considering distortions |
| Byte: | | Numeric data types |
| Bzip2: | | Downloading and validating input data |
|
C | | |
| C compiler: | | Invoking astbuildprog |
| C preprocessor: | | Invoking astbuildprog |
| C programming language: | | Why C |
| C++ programming language: | | Why C |
| C, plotting: | | PGPLOT |
| C99: | | Pointers |
| C: restrict : | | Generic data container |
| Cache, system: | | A note on threads |
| Calendar: | | Sort FITS files by night |
| Calibration: | | Zero point estimation |
| Camera: | | Resampling |
| CANDELS survey: | | Crop options |
| CANDELS survey: | | Surface brightness limit of image |
| Carbon footprint: | | Separate shell variables for multiple outputs |
| Caspar Wessel: | | Circles and the complex plane |
| Catalog, Gaia: | | Available databases |
| Catalog, Vizier: | | Available databases |
| CatWISE 2020 catalog: | | Available databases |
| Cauchy’s function (robust weight): | | Fitting options |
| CC : | | Invoking astbuildprog |
| CCD: | | Tessellation |
| CCD: | | Warp |
| CDELT : | | Angular coverage on the sky |
| CDELT : | | Input output options |
| CDELT : | | Moire pattern and its correction |
| CDELTi: | | Align pixels with WCS considering distortions |
| CDS, VizieR: | | Available databases |
| Celestial sphere: | | Brightness flux magnitude |
| CentOS: | | Dependencies from package managers |
| Central management: | | Gnuastro project webpage |
| CFITSIO: | | CFITSIO |
| CFITSIO: | | Keyword inspection and manipulation |
| CFITSIO: | | Configuration information |
| CFITSIO: | | FITS files |
| CFITSIO version on outputs: | | Output FITS files |
| Change converted pixel values: | | Pixel visualization |
| Channel: | | Tessellation |
| Channel: | | Array input output |
| Channel (color): | | Color |
| Channel, color: | | Pixel colors |
| Charge-coupled device: | | Warp |
| Check: | | Quick start |
| Check center of crop: | | Crop output |
| Checking detection algorithms: | | MakeProfiles |
| Checking tests: | | Tests |
| Checksum: | | Downloading and validating input data |
| CHECKSUM : FITS keyword: | | Keyword inspection and manipulation |
| Chi-squared: | | Fitting functions |
| CIII doublet: | | Spectral lines library |
| Circle (great): | | Box shape operators |
| Circle (small): | | Box shape operators |
| Citation information: | | Mandatory source code files |
| Claudius Ptolemy: | | Sufi simulates a detection |
| CLI: command-line user interface: | | Command-line interface |
| CLI: repeating operations: | | Command-line interface |
| Clump: | | Labeled datasets |
| Clump magnitude limit: | | Quantifying measurement limits |
| CMYK: | | Pixel colors |
| Coaddition: | | Stacking operators |
| Coaddition: | | Moire pattern and its correction |
| Coaddition: | | Align pixels with WCS considering distortions |
| COBE spherical cube projection: | | Align pixels with WCS considering distortions |
| Color: | | Pixel colors |
| Color channel: | | Color |
| Color channel: | | Pixel colors |
| Color channel: | | Array input output |
| Color in macOS terminals: | | Drawing with vector graphics |
| Color-magnitude diagram: | | Column statistics color-magnitude diagram |
| Color-magnitude diagram: | | 2D histogram as an image |
| Colormap: | | Pixel colors |
| Colormap, gray-scale: | | Colormaps for single-channel pixels |
| Colormap, HSV: | | Colormaps for single-channel pixels |
| Colormap: SLS: | | Pixel visualization |
| Colormap: SLS-inverse: | | Pixel visualization |
| Colormap: Viridis: | | Pixel visualization |
| Colors: | | Color functions |
| Colors (web): | | Vector graphics colors |
| Colors, broad-band photometry: | | General program usage tutorial |
| Colorspace, gray-scale: | | Pixel visualization |
| Colorspace, HSV: | | Pixel visualization |
| Columns (Vector): | | Vector columns |
| Command-line arguments: | | Arguments and options |
| Command-line help: | | Getting help |
| Command-line options: | | Arguments and options |
| Command-line scroll: | | --help |
| Command-line searching text: | | --help |
| Command-line user interface: | | Command-line interface |
| Command-line, long outputs: | | --help |
| Command-line, viewing full book: | | Info |
| Comments: | | Sufi simulates a detection |
| Commutative property: | | Merging multiple warpings |
| Comoving distance: | | Distance on a 2D curved space |
| Compare Moffat and Gaussian: | | PSF |
| Compare Poisson and Gaussian: | | Photon counting noise |
| Compile: | | Quick start |
| Compiled PostScript: | | Recognized file formats |
| Compiler, C: | | Invoking astbuildprog |
| Compiling from source: | | Dependencies from package managers |
| Completeness: | | Extract clumps and objects |
| Completeness: | | Completeness limit of each detection |
| Completion in the shell: | | Shell TAB completion |
| Completion in the shell: | | Mandatory source code files |
| Completion in the shell: | | Bash programmable completion |
| Complex numbers: | | Invoking astconvolve |
| Compression: | | NoiseChisel output |
| Compression: | | Segment output |
| Compression quality in JPEG: | | ConvertType input and output |
| Concave polygons: | | Crop options |
| Concave polygons: | | Polygons |
| Configuration file directories: | | Configuration file precedence |
| Configuration file format: | | Configuration file format |
| Configuration file precedence: | | Configuration file precedence |
| Configuration file suffix: | | Configuration file format |
| Configuration files: | | Options |
| Configuration files: | | Configuration files |
| Configuration files, system wide: | | System wide |
| Configuration files, writing: | | Configuration file format |
| Configuration, not finding library: | | Known issues |
| Configure options: | | Configuring |
| Configure options particular to Gnuastro: | | Gnuastro configure options |
| Configuring: | | Configuring |
| Conic equal area projection: | | Align pixels with WCS considering distortions |
| Conic equidistant projection: | | Align pixels with WCS considering distortions |
| Conic orthomorphic projection: | | Align pixels with WCS considering distortions |
| Conic perspective projection: | | Align pixels with WCS considering distortions |
| Connected component labeling: | | Segment |
| Connected component labeling: | | Binary datasets |
| Connected components: | | Mathematical morphology operators |
| Connectivity: | | Binary datasets |
| Continuum subtraction: | | Continuum subtraction |
| Contour: | | Contour options |
| Convenient book formats: | | Getting help |
| Convention for program source: | | Program source |
| Converting data formats: | | ConvertType |
| Converting image formats: | | ConvertType |
| ConvertType (astconvertt) : | | ConvertType |
| Convex Hull: | | Polygons |
| Convex polygons: | | Crop options |
| Convex polygons: | | Polygons |
| Convolution: | | Convolve |
| Convolution: | | Convolution process |
| Convolution: | | Quantifying signal in a tile |
| Convolution: | | PSF |
| Convolution kernel: | | FITS arrays |
| Cookbook: | | Tutorials |
| Coordinate matching: | | Matching |
| Coordinate scales: | | Angular coverage on the sky |
| Coordinate system: Ecliptic: | | Keyword inspection and manipulation |
| Coordinate system: Ecliptic: | | World Coordinate System |
| Coordinate system: Equatorial: | | Keyword inspection and manipulation |
| Coordinate system: Equatorial: | | World Coordinate System |
| Coordinate system: Galactic: | | Keyword inspection and manipulation |
| Coordinate system: Galactic: | | World Coordinate System |
| Coordinate system: Supergalactic: | | Keyword inspection and manipulation |
| Coordinate system: Supergalactic: | | World Coordinate System |
| Coordinate transformation: | | Linear warping basics |
| Coordinates, homogeneou: | | Linear warping basics |
| Copyright: | | Your rights |
| Correlated noise: | | NoiseChisel optimization for detection |
| Correlated noise: | | Measuring the dataset limits |
| Correlated noise: | | Upper limit magnitude of each detection |
| Correlated noise: | | Surface brightness limit of image |
| Correlation: | | Convolution process |
| Cosmic ray removal: | | Sky value definition |
| Cosmic rays: | | Convolve |
| Cosmic rays: | | Warp |
| Cosmic rays: | | Sigma clipping |
| Cosmic rays: | | Sky value definition |
| Cosmic rays: | | Quantifying signal in a tile |
| COSMOS survey: | | Crop |
| Cotes, Roger: | | Circles and the complex plane |
| Counting error: | | Photon counting noise |
| Counting from zero.: | | Options |
| Counts: | | Brightness flux magnitude |
| Counts: | | Instrumental noise |
| Covariance matrix: | | Fitting functions |
| Coverage of image over sky: | | HDU information and manipulation |
| CPPFLAGS : | | Known issues |
| CPPFLAGS : | | Headers |
| CPPFLAGS : | | Invoking astbuildprog |
| CPU threads: | | Multi-threaded operations |
| CPU threads, number: | | Configuration files |
| CPU threads, set number: | | Operating mode options |
| CPU, using all threads: | | Multi-threaded operations |
| CRLF line terminator: | | Text files |
| Crop (astcrop) : | | Crop |
| Crop a given section of image: | | Crop section syntax |
| Crop part of image: | | Crop |
| Crop section format: | | Crop section syntax |
| CRVALi: | | Align pixels with WCS considering distortions |
| CTYPEi: | | Align pixels with WCS considering distortions |
| Cube (3D) spectra: | | Detecting lines and extracting spectra in 3D data |
| Cubes (3D data): | | Dimensionality changing operators |
| Cubes (3D data): | | Measurements per slice spectra |
| Cubic spline interpolation: | | Interpolation |
| Cumulative Frequency Plot: | | Histogram and Cumulative Frequency Plot |
| cURL (downloading tool): | | Optional dependencies |
| Customize --help output: | | --help |
| Customize executable names: | | Executable names |
| Customizing installation: | | Configuring |
| Cylindrical equal area projection: | | Align pixels with WCS considering distortions |
| Cylindrical perspective projection: | | Align pixels with WCS considering distortions |
|
D | | |
| Dark Energy Survey data release 1: | | Available databases |
| Dark level in detectors: | | Photon counting noise |
| Dark night: | | Random number generators |
| Dash shell: | | Separate shell variables for multiple outputs |
| Data: | | Quantifying signal in a tile |
| Data cubes: | | Dimensionality changing operators |
| Data format conversion: | | ConvertType |
| Data structures: | | Headers |
| Data type: | | Generic data container |
| Data’s depth: | | Surface brightness limit of image |
| Database, Gaia: | | Available databases |
| Database, VizieR: | | Available databases |
| Dataset: binary: | | Binary datasets |
| DATASUM : FITS keyword: | | HDU information and manipulation |
| DATASUM : FITS keyword: | | Keyword inspection and manipulation |
| DATASUM : FITS keyword: | | FITS HDUs |
| DATASUM : FITS keyword: | | FITS HDUs |
| Date: FITS format: | | FITS header keywords |
| de Moivre, Abraham: | | Circles and the complex plane |
| de Moivre, Abraham: | | Photon counting noise |
| de Vaucouleur profile: | | Galaxies |
| Debian: | | Dependencies from package managers |
| Debug: | | Separate build and source directories |
| Debug: | | Operating mode options |
| Debug: | | Invoking astbuildprog |
| Debugging: | | Gnuastro configure options |
| Debugging: | | Building and debugging |
| Decimal digits: | | Printing floating point numbers |
| Decimal separator: | | Numeric locale |
| Declination: | | Column arithmetic |
| Declination: | | Arithmetic on datasets |
| Declination: | | Unit conversion library |
| Declination: | | Unit conversion library |
| Default executable search directory: | | Installation directory |
| Default library search directory: | | Installation directory |
| Default option values: | | Options |
| Default option values: | | Configuration files |
| Define section to crop: | | Crop section syntax |
| Dependencies, Gnuastro: | | Mandatory dependencies |
| Depth: | | Quantifying measurement limits |
| Depth: | | Zero point tutorial with reference image |
| Detached threads: | | Gnuastro's thread related functions |
| Detection: | | Convolve |
| Detection: | | NoiseChisel |
| Detections false: | | Completeness limit of each detection |
| Detector: | | Resampling |
| developer-build: | | Building and debugging |
| developer-build: | | Test scripts |
| Development packages: | | Known issues |
| Diagram, Color-magnitude: | | 2D histogram as an image |
| Diffraction limited: | | PSF |
| Dilation: | | Mathematical morphology operators |
| Dilation: | | Binary datasets |
| Dilation (image processing): | | NoiseChisel optimization |
| Directory, install: | | Installation directory |
| Discrete Fourier transform: | | Invoking astconvolve |
| Distance, elliptical/ellipsoidal: | | Dimensions |
| Distance, Manhattan: | | Dimensions |
| Distortion: | | Pixel information images |
| Distortion, optical: | | Warp |
| Distortion, WCS: | | Keyword inspection and manipulation |
| Distortion, WCS: | | World Coordinate System |
| Distortion, WCS: | | World Coordinate System |
| Distribution mode: | | Sky value misconceptions |
| Distributions, GNU/Linux: | | Dependencies from package managers |
| Dithering: | | Moire pattern and its correction |
| dnf : | | Dependencies from package managers |
| Doppler effect: | | Continuum subtraction |
| Doublet: CIII: | | Spectral lines library |
| Doublet: MgII: | | Spectral lines library |
| Doublet: NII: | | Spectral lines library |
| Doublet: OII: | | Spectral lines library |
| Doublet: OIII: | | Spectral lines library |
| Doublet: SII: | | Spectral lines library |
| Douglas Rushkoff: | | Science and its tools |
| Drizzle: | | Resampling |
| DS9: | | Reddest clumps cutouts and parallelization |
| DS9: | | Extract clumps and objects |
| DS9: | | Pixel visualization |
| DS9: | | Segment output |
| DSS WCS distortion: | | World Coordinate System |
| Dynamic libraries: | | Installation directory |
| Dynamic linking: | | Linking |
| Dynamic linking: | | Linking |
|
E | | |
| e (base of natural logarithm): | | Constants |
| Ecliptic coordinate system: | | Keyword inspection and manipulation |
| Ecliptic coordinate system: | | World Coordinate System |
| Edges, image: | | Resampling |
| Effective radius: | | Morphology measurements nonparametric |
| Effective radius: | | Galaxies |
| Efficient use of CPU threads: | | A note on threads |
| Ellipse: | | Defining an ellipse and ellipsoid |
| Ellipse: | | Dimensions |
| Ellipse area: | | Morphology measurements nonparametric |
| Ellipsoid: | | Defining an ellipse and ellipsoid |
| Ellipsoid: | | Dimensions |
| Ellipsoidal distance: | | Dimensions |
| Elliptical distance: | | Defining an ellipse and ellipsoid |
| Elliptical distance: | | Dimensions |
| Emacs buffers: | | Coding conventions |
| Encapsulated PostScript: | | Recognized file formats |
| Environment: | | Installation directory |
| Environment variable, HOME : | | Installation directory |
| Environment variables: | | Installation directory |
| Environment variables: | | Installation directory |
| Environment variables: | | Generating random numbers |
| Epoch time, Unix: | | FITS header keywords |
| Epoch, Unix time: | | Keyword inspection and manipulation |
| Epoch, Unix time: | | Column arithmetic |
| Epoch, Unix time: | | Sort FITS files by night |
| EPS: | | Recognized file formats |
| EPS: | | Pixel visualization |
| EPS: | | EPS files |
| EPS: | | PDF files |
| Equatorial coordinate system: | | Keyword inspection and manipulation |
| Equatorial coordinate system: | | World Coordinate System |
| Erosion: | | Mathematical morphology operators |
| Erosion: | | NoiseChisel |
| Erosion: | | Detection options |
| Erosion: | | Binary datasets |
| Erosion (image processing): | | NoiseChisel optimization |
| Error in surface brightness: | | Surface brightness error of each detection |
| Error, floating point round-off: | | Invoking astconvolve |
| etc: | | Configuration files |
| Euler angles: | | Defining an ellipse and ellipsoid |
| Euler angles: | | Bounding box |
| Euler’s number (\(e\)): | | Constants |
| Euler, Leonhard: | | Circles and the complex plane |
| eval to evaluate string as command: | | Separate shell variables for multiple outputs |
| Evaluate string as command (eval ): | | Separate shell variables for multiple outputs |
| Exact area resampling: | | Resampling |
| Executable names: | | Executable names |
| Exposure time: | | Brightness flux magnitude |
| eXtreme Deep Field (XDF) survey: | | General program usage tutorial |
| eXtreme Deep Field (XDF) survey: | | Surface brightness limit of image |
|
F | | |
| Fair function (robust weight): | | Fitting options |
| False color: | | Pixel colors |
| False detections: | | Completeness limit of each detection |
| Feature request: | | Gnuastro project webpage |
| Feature requests: | | Suggest new feature |
| Fedora: | | Dependencies from package managers |
| File flags: | | Writing scripts to automate the steps |
| File I/O: | | Configure and build in RAM |
| File operations: | | Data containers |
| File system Hierarchy Standard: | | Configuration files |
| file systems, tmpfs: | | Configure and build in RAM |
| Filename suffix: | | Arguments |
| Filter: | | Color |
| Filter transmission curve: | | Zero point tutorial with reference image |
| Fine structure constant: | | Constants |
| first-in-first-out: | | Linked lists |
| first-in-first-out: | | FITS header keywords |
| first-in-first-out: | | Interpolation |
| FITS: | | Output FITS files |
| FITS: | | FITS files |
| FITS filename suffixes: | | Arguments |
| FITS image viewer: | | SAO DS9 |
| FITS or FITS/TXT : | | Options |
| FITS standard: | | CFITSIO |
| FITS standard: | | Linear warps to be called explicitly |
| FITS standard: | | Generic data container |
| FITS Tables: | | Recognized table formats |
| Fitting: | | Data modeling |
| Fitting: | | Fitting functions |
| Fitting (least squares): | | Least squares fitting |
| Fitting (polynomial): | | Fitting functions |
| Flag (mask) images: | | Bitwise operators |
| Flags, file: | | Writing scripts to automate the steps |
| Flip coordinates: | | Linear warping basics |
| Floating point error: | | Measuring elliptical parameters |
| Floating point numbers: | | Printing floating point numbers |
| Floating point round-off error: | | Invoking astconvolve |
| FLT : | | Options |
| Flux: | | Brightness flux magnitude |
| Flux to magnitude conversion: | | Brightness flux magnitude |
| Fonts: | | Drawing with vector graphics |
| Foreground pixels: | | Detection options |
| FORTRAN: | | Generic data container |
| Fourier spectrum: | | Invoking astconvolve |
| Free software: | | Your rights |
| Free Software Foundation: | | Contributing to Gnuastro |
| Free Software Foundation: | | Copyright assignment |
| FSF: | | Contributing to Gnuastro |
| Full Width at Half Maximum: | | PSF |
| Function gradient over pixel area: | | Sampling from a function |
| Function groups: | | Coding conventions |
| Functions for user interface: | | Mandatory source code files |
| FWHM: | | NoiseChisel optimization for detection |
| FWHM: | | Morphology measurements nonparametric |
| FWHM: | | PSF |
|
G | | |
| Gaia catalog: | | Available databases |
| GAIA Data Release (2 or 3): | | Available databases |
| Gain: | | Brightness flux magnitude |
| Gain: | | Instrumental noise |
| Galactic coordinate system: | | Keyword inspection and manipulation |
| Galactic coordinate system: | | World Coordinate System |
| Galaxy kinematics: | | Continuum subtraction |
| Galaxy profiles: | | Galaxies |
| Galileo, Galilei: | | Science and its tools |
| Gaussian: | | Invoking astnoisechisel |
| Gaussian: | | Invoking astsegment |
| Gaussian: | | Invoking astmkcatalog |
| Gaussian distribution: | | Quantifying signal in a tile |
| Gaussian distribution: | | PSF |
| Gaussian FWHM: | | PSF |
| Gaussian noise: | | Least squares fitting |
| GCC : | | Invoking astbuildprog |
| GCC: GNU Compiler Collection: | | New to GNU/Linux? |
| GCC: GNU Compiler Collection: | | Summary and example on libraries |
| GCC: GNU Compiler Collection: | | Invoking astbuildprog |
| GCC: GNU Compiler Collection: | | Invoking astbuildprog |
| GCC: GNU Compiler Collection: | | Coding conventions |
| Gérard de Vaucouleurs: | | Galaxies |
| Gedit: | | Sufi simulates a detection |
| General file operations: | | Data containers |
| Generalized de Vaucouleur profile: | | Galaxies |
| Ghostscript fonts: | | Drawing with vector graphics |
| Git: | | Optional dependencies |
| Git: | | Version controlled source |
| Git: | | Gnuastro configure options |
| Git: | | Table input output |
| Git: | | Git wrappers |
| Global warming: | | Separate shell variables for multiple outputs |
| GNOME: | | NoiseChisel output |
| GNOME 3: | | Command-line interface |
| Gnomonic (tangential) projection: | | Align pixels with WCS considering distortions |
| GNU Astronomy Utilities (Gnuastro): | | Introduction |
| GNU Autoconf: | | Bootstrapping dependencies |
| GNU Autoconf: | | Bootstrapping |
| GNU Autoconf: | | Synchronizing |
| GNU Autoconf: | | Configuring |
| GNU Autoconf: | | Building and debugging |
| GNU Autoconf Archive: | | Bootstrapping dependencies |
| GNU Autoconf Archive: | | Bootstrapping |
| GNU Automake: | | Bootstrapping dependencies |
| GNU Automake: | | Bootstrapping |
| GNU Automake: | | Building and debugging |
| GNU Autoreconf: | | Separate build and source directories |
| GNU AWK: | | Angular coverage on the sky |
| GNU AWK: | | Aperture photometry |
| GNU AWK: | | Reddest clumps cutouts and parallelization |
| GNU AWK: | | Extract clumps and objects |
| GNU AWK: | | Standard input |
| GNU AWK: | | Table |
| GNU AWK: | | Invoking asttable |
| GNU AWK: | | Invoking astarithmetic |
| GNU AWK: | | Invoking aststatistics |
| GNU AWK: | | Single value measurements |
| GNU AWK: | | Installed scripts |
| GNU AWK: | | Sort FITS files by night |
| GNU AWK: | | Table input output |
| GNU Bash: | | Command-line interface |
| GNU Bash: | | Writing scripts to automate the steps |
| GNU Bash: | | Installation directory |
| GNU Bash: | | Installation directory |
| GNU Bash: | | Installed scripts |
| GNU Bash: | | Program design philosophy |
| GNU Bash: | | Mandatory source code files |
| GNU Binutils: | | Linking |
| GNU build system: | | Mandatory dependencies |
| GNU build system: | | Bootstrapping |
| GNU build system: | | Installation directory |
| GNU build system: | | Configure and build in RAM |
| GNU build system: | | Separate build and source directories |
| GNU build system: | | Headers |
| GNU build system: | | Headers |
| GNU build system: | | Building and debugging |
| GNU C library: | | New to GNU/Linux? |
| GNU C library: | | Bootstrapping dependencies |
| GNU C library: | | Bootstrapping |
| GNU C library: | | Gnuastro configure options |
| GNU C library: | | Configure and build in RAM |
| GNU C library: | | Info |
| GNU C Library: | | Keyword inspection and manipulation |
| GNU C library: | | Adding new columns to MakeCatalog |
| GNU C library: | | Linking |
| GNU C library: | | Labeled datasets |
| GNU C library: | | Coding conventions |
| GNU C library: | | Mandatory source code files |
| GNU coding standards: | | Introduction |
| GNU coding standards: | | Coding conventions |
| GNU coding standards: | | Coding conventions |
| GNU Compiler Collection (GCC): | | New to GNU/Linux? |
| GNU Compiler Collection (GCC): | | Summary and example on libraries |
| GNU Compiler Collection (GCC): | | Invoking astbuildprog |
| GNU Compiler Collection (GCC): | | Invoking astbuildprog |
| GNU Compiler Collection (GCC): | | Coding conventions |
| GNU Coreutils: | | Multi-threaded operations |
| GNU Coreutils: | | Invoking asttable |
| GNU Coreutils: | | Program design philosophy |
| GNU CPP: | | Invoking astbuildprog |
| GNU Debugger: | | Gnuastro configure options |
| GNU Debugger (GDB): | | Separate build and source directories |
| GNU Emacs: | | Command-line interface |
| GNU Emacs: | | Sufi simulates a detection |
| GNU Emacs: | | Info |
| GNU Emacs: | | Coding conventions |
| GNU Emacs: | | Coding conventions |
| GNU Emacs: | | Coding conventions |
| GNU free documentation license: | | Science and its tools |
| GNU Free Documentation License: | | Your rights |
| GNU Free Documentation License: | | GNU Free Doc License |
| GNU General Public License (GPL): | | Science and its tools |
| GNU General Public License (GPL): | | Your rights |
| GNU General Public License (GPL): | | GNU General Public License |
| GNU Grep: | | --help |
| GNU Grep: | | Keyword inspection and manipulation |
| GNU Grep: | | CosmicCalculator basic cosmology calculations |
| GNU Grep: | | The TEMPLATE program |
| GNU Gzip: | | NoiseChisel output |
| GNU Gzip: | | Segment output |
| GNU help2man: | | Bootstrapping dependencies |
| GNU Info: | | Accessing documentation |
| GNU Info: | | Info |
| GNU Libtool: | | Optional dependencies |
| GNU Libtool: | | Bootstrapping dependencies |
| GNU Libtool: | | Bootstrapping |
| GNU Libtool: | | Known issues |
| GNU Libtool: | | Linking |
| GNU Libtool: | | Linking |
| GNU Libtool: | | Linking |
| GNU Libtool: | | BuildProgram |
| GNU Libtool: | | Invoking astbuildprog |
| GNU Libtool: | | Building and debugging |
| GNU Make: | | Reddest clumps cutouts and parallelization |
| GNU Make: | | Optional dependencies |
| GNU Make: | | How to run simultaneous operations |
| GNU Make: | | Makefile extensions |
| GNU Make: | | Invoking astbuildprog |
| GNU Parallel: | | How to run simultaneous operations |
| GNU Portability Library (Gnulib): | | Bootstrapping dependencies |
| GNU Portability Library (Gnulib): | | Bootstrapping |
| GNU Portability Library (Gnulib): | | Gnuastro configure options |
| GNU Portability Library (Gnulib): | | Known issues |
| GNU Portability Library (Gnulib): | | Coding conventions |
| GNU Savannah: | | Gnuastro project webpage |
| GNU Scientific Library: | | GNU Scientific Library |
| GNU Scientific Library: | | Least squares fitting |
| GNU Scientific Library: | | Generating random numbers |
| GNU Scientific Library: | | Permutations |
| GNU Scientific Library: | | Interpolation |
| GNU Scientific Library: | | Interpolation |
| GNU SED: | | Installed scripts |
| GNU Sed: | | Sort FITS files by night |
| GNU software documentation: | | Info |
| GNU style options: | | Options |
| GNU Tar: | | Quick start |
| GNU Texinfo: | | Your rights |
| GNU Texinfo: | | Bootstrapping dependencies |
| GNU Texinfo: | | Bootstrapping |
| GNU Texinfo: | | A4 print book |
| GNU Texinfo: | | Known issues |
| GNU Wget: | | Downloading and validating input data |
| GNU/Linux: | | New to GNU/Linux? |
| Gnuastro coding convention: | | Coding conventions |
| Gnuastro common options: | | Common options |
| Gnuastro major version number: | | GNU Astronomy Utilities 1.0 |
| Gnuastro program structure convention: | | Program source |
| Gnuastro project page: | | Report a bug |
| Gnuastro test scripts: | | Test scripts |
| Gnulib: | | Program design philosophy |
| Gnulib: GNU Portability Library: | | Bootstrapping dependencies |
| Gnulib: GNU Portability Library: | | Bootstrapping |
| Gnulib: GNU Portability Library: | | Gnuastro configure options |
| Gnulib: GNU Portability Library: | | Known issues |
| Gnulib: GNU Portability Library: | | Coding conventions |
| GPL: | | GNU General Public License |
| GPL Ghostscript: | | Optional dependencies |
| GPL Ghostscript: | | Optional dependencies |
| GPL Ghostscript: | | Known issues |
| GPL Ghostscript: | | Recognized file formats |
| Gradient over pixel area: | | Sampling from a function |
| Graphic user interface: | | Command-line interface |
| Graphics (raster): | | Raster and Vector graphics |
| Graphics (vector): | | Raster and Vector graphics |
| Gravitational constant (\(g\)): | | Constants |
| Gravitational lensing: | | Warp |
| Gray night: | | Random number generators |
| Grayscale: | | Colormaps for single-channel pixels |
| Great circle: | | Box shape operators |
| Groups of similar functions: | | Coding conventions |
| GSL: | | Least squares fitting |
| GUI: graphic user interface: | | Command-line interface |
| GUI: repeating operations: | | Command-line interface |
| Gzip: | | Quick start |
| Gzip: | | Release tarball |
|
H | | |
| H-alpha: | | Viewing spectra and redshifted lines |
| H-alpha: | | Spectral lines library |
| H-beta: | | Viewing spectra and redshifted lines |
| H-beta: | | Spectral lines library |
| H-delta: | | Spectral lines library |
| H-epsilon: | | Spectral lines library |
| H-gamma: | | Spectral lines library |
| Halted program: | | Report a bug |
| Hammer-Aitoff projection: | | Align pixels with WCS considering distortions |
| Hashbang: | | Writing scripts to automate the steps |
| HDD: | | Configure and build in RAM |
| HDU: | | Arguments and options |
| HDU: | | Input output options |
| HDU: | | Invoking astfits |
| Header data unit: | | Arguments and options |
| Header data unit: | | Input output options |
| Header file: | | Coding conventions |
| HEALPix: | | Invoking astfits |
| HEALPix: | | FITS HDUs |
| HEALPix polar projection: | | Align pixels with WCS considering distortions |
| HEALPix projection: | | Align pixels with WCS considering distortions |
| Help: | | Getting help |
| help-gnuastro mailing list: | | help-gnuastro mailing list |
| help-gnuastro@gnu.org : | | help-gnuastro mailing list |
| Hexadecimal encoding: | | ConvertType input and output |
| Hexadecimal encoding: | | EPS files |
| Hipparchus of Nicaea: | | Brightness flux magnitude |
| Histogram: | | Histogram and Cumulative Frequency Plot |
| Histogram: | | Sky value misconceptions |
| Histogram: | | Statistical operations |
| Histogram, 2D: | | Column statistics color-magnitude diagram |
| Histogram, 2D: | | 2D Histograms |
| Histogram, 2D: | | Statistical operations |
| history : | | Writing scripts to automate the steps |
| HOME: | | Installation directory |
| HOME/.local/: | | Installation directory |
| Homebrew: | | Dependencies from package managers |
| Homogeneous coordinates: | | Linear warping basics |
| Homography: | | Linear warping basics |
| HSV: Hue Saturation Value: | | Colormaps for single-channel pixels |
| HSV: Hue Saturation Value: | | Pixel visualization |
| Hubble Space Telescope (HST): | | General program usage tutorial |
| Hubble Space Telescope (HST): | | Tessellation |
| Hubble Space Telescope (HST): | | Crop |
| Hubble Space Telescope (HST): | | Warp |
| Hubble Space Telescope (HST): | | Linear warping basics |
| Huber function (robust weight): | | Fitting options |
| Hue, saturation, value: | | Pixel visualization |
| Hyper Suprime-Cam: | | Tessellation |
| Hyperbolic functions: | | Trigonometric and hyperbolic operators |
| Hyperspectral imaging: | | Detecting lines and extracting spectra in 3D data |
|
I | | |
| IAU, international astronomical union: | | Fits |
| Identifying outliers: | | Quantifying signal in a tile |
| IEEE 754: | | Invoking asttable |
| IEEE 754: | | Invoking asttable |
| IEEE 754 (floating point): | | Printing floating point numbers |
| IFU: | | Detecting lines and extracting spectra in 3D data |
| IFU: Integral Field Unit: | | Dimensionality changing operators |
| IFU: Integral Field Unit: | | Morphology measurements nonparametric |
| IFU: Integral Field Unit: | | Measurements per slice spectra |
| Image: | | Pixel colors |
| Image annotation: | | Annotations for figure in paper |
| Image blurring: | | PSF |
| Image edges: | | Resampling |
| Image format conversion: | | ConvertType |
| Image mosaic: | | Crop |
| Image mosaic: | | Warp |
| Image noise: | | Noise basics |
| Image tiles: | | Crop |
| Image transformations: | | MakeProfiles |
| Image’s sky coverage: | | HDU information and manipulation |
| ImageMagick: | | Bootstrapping dependencies |
| Imaging surveys: | | Crop |
| Immediate neighbors: | | Binary datasets |
| Inconsistent results: | | Report a bug |
| Individual profiles: | | MakeProfiles output dataset |
| info-gnuastro@gnu.org : | | Synchronizing |
| INFOPATH: | | Installation directory |
| Input/Output, file: | | Configure and build in RAM |
| Inside-out construction: | | Defining an ellipse and ellipsoid |
| Inside-out construction: | | Sampling from a function |
| Install directory: | | Installation directory |
| Install with no superuser access: | | Installation directory |
| Installation: | | Installation |
| Installation, customizing: | | Configuring |
| Installed help methods: | | Getting help |
| Instrumental noise: | | Instrumental noise |
| INT : | | Options |
| Integer overflow: | | Integer benefits and pitfalls |
| Integer, Signed: | | Numeric data types |
| Integral field unit: | | Detecting lines and extracting spectra in 3D data |
| Integral Field Unit: | | Morphology measurements nonparametric |
| Integral field unit (IFU): | | Dimensionality changing operators |
| Integral field unit (IFU): | | Measurements per slice spectra |
| Integration over pixel: | | Sampling from a function |
| Integration to infinity: | | Profile magnitude |
| Internal default value: | | Configuration files |
| Internally stored option value: | | Multi-threaded operations |
| Interpolation: | | Resampling |
| Interpolation: | | Interpolation |
| Interpolation, bi-linear: | | Resampling |
| Interpolation, bicubic: | | Resampling |
| Interpolation, bicubic: | | Quantifying signal in a tile |
| Interpolation, nearest-neighbor: | | Quantifying signal in a tile |
| Interpolation: Akima spline: | | Interpolation |
| Interpolation: monotonic: | | Interpolation |
| Interpolation: Polynomial: | | Interpolation |
| Interpolation: Spline: | | Interpolation |
| Interpolation: Steffen: | | Interpolation |
| Intervals, histogram: | | Histogram and Cumulative Frequency Plot |
| IRAF: | | Recognized file formats |
| ISO C90: | | Why C |
| Issue: | | Gnuastro project webpage |
| iTerm: | | Drawing with vector graphics |
| IVOA: | | Query |
|
J | | |
| Jansky (Jy): | | Unit conversion library |
| Janskys (Jy): | | Brightness flux magnitude |
| Java programming language: | | Why C |
| Java Virtual Machine (JVM): | | Why C |
| Jaynes E. T.: | | Science and its tools |
| Johnson filters: | | Zero point tutorial with reference image |
| Johnson vs. SDSS filters: | | Zero point tutorial with reference image |
| JPEG compression quality: | | ConvertType input and output |
| JPEG compression quality: | | JPEG files |
| JPEG format: | | Optional dependencies |
| JPEG format: | | Gnuastro configure options |
| JPEG format: | | Recognized file formats |
| JPEG format: | | JPEG files |
| JVM: Java virtual machine: | | Why C |
|
K | | |
| K-d tree: | | K-d tree |
| k-d tree matching: | | Matching |
| Ken Thomson: | | Science and its tools |
| Kernel, convolution: | | Convolve |
| Kernel, convolution: | | FITS arrays |
| Kernel, Linux: | | Memory management |
| Kernighan, Brian: | | Why C |
| Kinematics (galaxies): | | Continuum subtraction |
|
L | | |
| Labeling: | | NoiseChisel |
| Language of command-line: | | Numeric locale |
| Large astronomical images: | | Crop |
| last-in-first-out: | | Linked lists |
| last-in-first-out: | | FITS header keywords |
| LaTeX: | | Bootstrapping dependencies |
| LaTeX: | | Recognized file formats |
| LaTeX: | | Program design philosophy |
| Lawrence Livermore National Laboratory: | | Multithreaded programming |
| LC_ALL : | | Numeric locale |
| LC_NUMERIC : | | Numeric locale |
| LDFLAGS : | | Known issues |
| LDFLAGS : | | Invoking astbuildprog |
| LD_LIBRARY_PATH: | | Installation directory |
| LD_LIBRARY_PATH: | | Known issues |
| LD_LIBRARY_PATH: | | PGPLOT |
| Learning GNU Info: | | Info |
| Least squares fitting: | | Least squares fitting |
| Least squares fitting: | | Fitting functions |
| Lensing simulations: | | MakeProfiles |
| Leonhard Euler: | | Circles and the complex plane |
| less : | | --help |
| libgit2 : | | Optional dependencies |
| libgit2 : | | Gnuastro configure options |
| libgit2: | | Git wrappers |
| libjpeg : | | Optional dependencies |
| libjpeg : | | Gnuastro configure options |
| Library search directory: | | Installation directory |
| Library: shared: | | Linking |
| libtiff : | | Optional dependencies |
| libtiff : | | Gnuastro configure options |
| Light year: | | Constants |
| Light-year: | | Unit conversion operators |
| Light-year: | | Unit conversion library |
| Limit, object/clump magnitude: | | Quantifying measurement limits |
| Limit, surface brightness: | | Image surface brightness limit |
| Limit, surface brightness: | | Surface brightness limit of image |
| Limit, Surface brightness: | | MakeCatalog output |
| Line terminator, CRLF: | | Text files |
| Linear spatial filtering: | | Convolution process |
| Linked list: | | Linked lists |
| Linked list: | | FITS header keywords |
| Linking: | | Linking |
| Linking: Dynamic: | | Linking |
| Linking: dynamic: | | Linking |
| Linking: Static: | | Linking |
| Linux: | | New to GNU/Linux? |
| Linux kernel: | | Configure and build in RAM |
| Linux kernel: | | Memory management |
| Linux Mint: | | Dependencies from package managers |
| Locale: | | Numeric locale |
| Long option abbreviation: | | Options |
| Long outputs: | | --help |
| Lord Kelvin: | | Science and its tools |
| Lorentzian function (robust weight): | | Fitting options |
| Low level programming: | | Why C |
| Luminosity: | | Brightness flux magnitude |
| Lyman limit: | | Spectral lines library |
| Lyman-alpha: | | Spectral lines library |
| Lzip: | | Quick start |
| Lzip: | | Release tarball |
|
M | | |
| M51: | | Detecting large extended targets |
| macOS: | | Dependencies from package managers |
| macOS terminal 24-bit color: | | Drawing with vector graphics |
| MacPorts: | | Dependencies from package managers |
| Macro: | | Headers |
| Magnitude: | | Unit conversion library |
| Magnitude: | | Unit conversion library |
| Magnitude: | | Unit conversion library |
| Magnitude (nanomaggy): | | Unit conversion library |
| Magnitude limit: | | Magnitude limit of image |
| Magnitude zero point: | | Brightness flux magnitude |
| Magnitude, AB: | | Unit conversion operators |
| Magnitude, AB: | | Brightness flux magnitude |
| Magnitude, AB: | | Unit conversion library |
| Magnitude, object/clump detection limit: | | Quantifying measurement limits |
| Magnitude, upper limit: | | Upper limit magnitude of each detection |
| Magnitudes from flux: | | Brightness flux magnitude |
| Mailing list archives: | | Report a bug |
| Mailing list archives: | | help-gnuastro mailing list |
| Mailing list: bug-gnuastro: | | Report a bug |
| Mailing list: bug-gnuastro: | | Gnuastro project webpage |
| Mailing list: gnuastro-commits: | | Developing mailing lists |
| Mailing list: gnuastro-commits: | | Commit guidelines |
| Mailing list: gnuastro-commits: | | Commit guidelines |
| Mailing list: gnuastro-commits: | | Commit guidelines |
| Mailing list: gnuastro-devel: | | Gnuastro project webpage |
| Mailing list: gnuastro-devel: | | Developing mailing lists |
| Mailing list: help-gnuastro: | | help-gnuastro mailing list |
| Mailing list: info-gnuastro: | | Version numbering |
| Mailing list: info-gnuastro: | | Announcements |
| Mailing list: info-gnuastro: | | Synchronizing |
| main function: | | Mandatory source code files |
| Main parameters C structure: | | Mandatory source code files |
| main.c : | | Mandatory source code files |
| main.h : | | Mandatory source code files |
| Major version number: | | Version numbering |
| Make: | | How to run simultaneous operations |
| Make: | | Makefile extensions |
| make check : | | Tests |
| Makefile: | | Reddest clumps cutouts and parallelization |
| MakeProfiles (astmkprof) : | | MakeProfiles |
| Making a distribution package: | | Developer's checklist |
| Making profiles pixel by pixel: | | Defining an ellipse and ellipsoid |
| Man pages: | | Man pages |
| Management hub: | | Gnuastro project webpage |
| Mandatory arguments: | | Arguments and options |
| Mandatory arguments: | | --usage |
| Manhattan distance: | | Dimensions |
| Manhattan metric: | | Processing options |
| MANPATH: | | Installation directory |
| Mask (flag) images: | | Bitwise operators |
| Matching: | | Matching |
| Matching by k-d tree: | | Matching |
| Mathematical morphology: | | Mathematical morphology operators |
| Mathematical morphology: | | Binary datasets |
| Matplotlib: | | Annotations for figure in paper |
| matplotlib: | | Pixel visualization |
| Matplotlib, Python: | | Program design philosophy |
| Matplotlib, Python: | | PGPLOT |
| Matrix: | | Linear warping basics |
| Matrix (covariance): | | Fitting functions |
| Matrix multiplication: | | Merging multiple warpings |
| Matrix, adjacency: | | Binary datasets |
| Maximum: | | Statistical operations |
| Mean: | | Quantifying signal in a tile |
| Mean: | | Statistical operations |
| Median: | | Quantifying signal in a tile |
| Median: | | Statistical operations |
| Memory management: | | Memory management |
| Memory management: | | Gnuastro's thread related functions |
| Memory, non-volatile: | | Memory management |
| Memory, volatile: | | Memory management |
| Memory-mapped file: | | Memory management |
| Mercator projection: | | Align pixels with WCS considering distortions |
| Meridian: | | Box shape operators |
| Meta image: | | Pixel information images |
| Meta-data: | | Fits |
| Metacharacters on the command-line In case your arguments or option values contain any of the shell’s meta-characters, you have to quote them.: | | Arguments and options |
| Metadata: | | Sufi simulates a detection |
| Metric: Manhattan, Taxicab, Radial: | | Processing options |
| MgII doublet: | | Spectral lines library |
| Michelson, Albert. A.: | | Science and its tools |
| Minimum: | | Statistical operations |
| Minor version number: | | Version numbering |
| Mixing pixel values: | | Convolve |
| Mixing pixel values: | | Resampling |
| Möbius, August. F.: | | Linear warping basics |
| mock.fits: | | Tests |
| Mode of a distribution: | | Sky value misconceptions |
| Modeling: | | Data modeling |
| Modeling stars: | | Stars |
| Modifying print book: | | A4 print book |
| Modularity: | | Review of library fundamentals |
| Moffat beta: | | PSF |
| Moffat function: | | PSF |
| Moffat FWHM: | | PSF |
| Moiré pattern or fringes: | | Moire pattern and its correction |
| Mollweide projection: | | Align pixels with WCS considering distortions |
| Moments: | | Measuring elliptical parameters |
| Monte carlo integration: | | Sampling from a function |
| Mosaicing: | | Crop |
| Mosaicing: | | Warp |
| Multi-Extension FITS: | | Viewing FITS file contents with DS9 or TOPCAT |
| Multi-threaded operation: | | Qsort functions |
| Multi-threaded programs: | | Multi-threaded operations |
| Multi-value columns (vector): | | Vector columns |
| Multiple file opening, reentrancy: | | CFITSIO |
| Multiplication, Matrix: | | Linear warping basics |
| Multiplication, matrix: | | Merging multiple warpings |
| Multithreaded programming: | | Multithreaded programming |
| MUSE: | | Detecting lines and extracting spectra in 3D data |
| MUSE: | | Vector columns |
|
N | | |
| Names of executables: | | Executable names |
| Names, customize: | | Executable names |
| Names, programs: | | Naming convention |
| NaN: | | Gnuastro text table format |
| NaN: | | Stacking operators |
| NaN: | | Linear warps to be called explicitly |
| NaN: | | Generating histograms and cumulative frequency plots |
| NaN: | | Detection options |
| NaN: | | Library blank values |
| NaN: | | Library blank values |
| NaN: | | Library blank values |
| NaN: | | Library blank values |
| NaN: | | FITS arrays |
| NaN: | | Qsort functions |
| Nanomaggy: | | Image surface brightness limit |
| Nanomaggy: | | Unit conversion operators |
| Nanomaggy: | | Unit conversion operators |
| Nanomaggy: | | Unit conversion operators |
| Nanomaggy: | | Unit conversion library |
| Narrow-band image: | | Dimensionality changing operators |
| NASA/IPAC Extragalactic Database (NED): | | Available databases |
| Naval Observatory Merged Astrometric Dataset: | | Available databases |
| Navigating source files: | | Program source |
| Nearest-neighbor interpolation: | | Quantifying signal in a tile |
| Necessary parameters: | | Configuration files |
| NED (NASA/IPAC Extragalactic Database): | | Available databases |
| Neighborhood: | | Convolve |
| Neighbors, immediate: | | Binary datasets |
| NGC5195: | | Detecting large extended targets |
| Nights (dark or gray): | | Random number generators |
| NII doublet: | | Viewing spectra and redshifted lines |
| NII doublet: | | Spectral lines library |
| No access to superuser install: | | Installation directory |
| Noise: | | Quantifying signal in a tile |
| Noise: | | MakeNoise |
| Noise: | | Noise basics |
| Noise (correlated): | | Measuring the dataset limits |
| Noise (Gaussian): | | Least squares fitting |
| Noise simulation: | | Photon counting noise |
| Noise, correlated: | | NoiseChisel optimization for detection |
| Noise, correlated: | | Surface brightness limit of image |
| Noise, instrumental: | | Instrumental noise |
| Non-commutative operations: | | Merging multiple warpings |
| Non-linear distortion: | | Align pixels with WCS considering distortions |
| Non-linear distortion: | | Interpolation |
| Non-linearity (CCDs): | | Uniting the different PSF components |
| Non-volatile memory: | | Memory management |
| Normalizing histogram: | | Histogram and Cumulative Frequency Plot |
| nproc : | | Multi-threaded operations |
| Number: | | Statistical operations |
| Number count: | | Measuring the dataset limits |
| Number of CPU threads to use: | | Operating mode options |
| Number of CPU threads to use: | | Configuration files |
| Number of threads available: | | Multi-threaded operations |
| Number, version: | | Version numbering |
| Numbers, complex: | | Invoking astconvolve |
| Numbers, psuedo-random: | | Generating random numbers |
| Numbers, random: | | Generating random numbers |
| Numpy: | | Optional dependencies |
|
O | | |
| O-H lines (from atmosphere): | | Sky lines in optical IFUs |
| Object magnitude limit: | | Quantifying measurement limits |
| Object oriented programming: | | Why C |
| OII doublet: | | Spectral lines library |
| OIII doublet: | | Spectral lines library |
| On/Off options: | | Options |
| Online help: | | Getting help |
| Opening: | | Achieved surface brightness level |
| Opening (Mathematical morphology): | | Binary datasets |
| Opening multi-extension FITS: | | Viewing FITS file contents with DS9 or TOPCAT |
| OpenMP: | | Multithreaded programming |
| openSUSE: | | Dependencies from package managers |
| Operations on files: | | Data containers |
| Operations, non-commutative: | | Merging multiple warpings |
| Operator, structure de-reference: | | Mandatory source code files |
| Optical distortion: | | Warp |
| Optimization: | | Invoking astbuildprog |
| Optimization: | | Building and debugging |
| Optimization flag: | | Coding conventions |
| Option values: | | Options |
| Optional and mandatory tokens: | | --usage |
| Options: | | Invoking astarithmetic |
| Options common to all programs: | | Common options |
| Options to programs: | | Arguments and options |
| Options, abbreviation: | | Options |
| Options, GNU style: | | Options |
| Options, on/off: | | Options |
| Options, repeated: | | Options |
| Options, short (-) and long (--): | | Options |
| Order in search directory: | | Installation directory |
| Orthographic/synthesis projection: | | Align pixels with WCS considering distortions |
| Outlier: | | Single value measurements |
| Outliers: | | Quantifying signal in a tile |
| Output file names, automatic: | | Automatic output |
| Output FITS headers: | | Output FITS files |
| Output, wrong: | | Report a bug |
| Overflow, integer: | | Integer benefits and pitfalls |
| Oversample: | | Sufi simulates a detection |
| Oversampling: | | Oversampling |
|
P | | |
| p : | | Mandatory source code files |
| Package managers: | | Dependencies from package managers |
| pacman : | | Dependencies from package managers |
| Pan-STARRS Data Release 1: | | Available databases |
| Paper size, A4: | | A4 print book |
| Paper size, US letter: | | A4 print book |
| Parabolic projection: | | Align pixels with WCS considering distortions |
| Parametric PSFs: | | PSF |
| Parsecs: | | Unit conversion operators |
| Parsecs: | | Unit conversion library |
| PATH : | | Installation directory |
| PDF: | | Recognized file formats |
| PDF: | | Pixel visualization |
| PDF: | | EPS files |
| PDF: | | PDF files |
| permutation: | | Permutations |
| Permutation: | | Matching |
| PGFPlots: | | Annotations for figure in paper |
| PGFPlots (LaTeX package): | | Column statistics color-magnitude diagram |
| PGFPlots (LaTeX package): | | 2D histogram as an image |
| PGFplots in TeX or LaTeX: | | Program design philosophy |
| PGFplots in TeX or LaTeX: | | PGPLOT |
| PGPLOT: | | PGPLOT |
| Phase angle: | | Invoking astconvolve |
| photo-electrons: | | Sky value definition |
| Photoelectrons: | | Resampling |
| Photon counting noise: | | Photon counting noise |
| Pi: | | Constants |
| Pi: | | Constants |
| Picture element: | | Resampling |
| Pipe: | | --help |
| Pixel: | | Detecting lines and extracting spectra in 3D data |
| Pixel: | | Resampling |
| Pixel by pixel making of profiles: | | Defining an ellipse and ellipsoid |
| Pixel mixing: | | Pixel information images |
| Pixel mixing: | | Convolve |
| Pixel mixing: | | Resampling |
| Pixel mixing: | | Resampling |
| Pixel scale: | | Moire pattern and its correction |
| Pixel scale: | | Align pixels with WCS considering distortions |
| Pixel scale: | | Surface brightness limit of image |
| Pixelated graphics: | | Recognized file formats |
| Pixels: | | Pixel colors |
| Plain text: | | Recognized file formats |
| Plank’s constant (\(h\)): | | Constants |
| Plate carree projection: | | Align pixels with WCS considering distortions |
| Plot, scatter: | | Column statistics color-magnitude diagram |
| Plot: contour: | | Contour options |
| Plotting directly in C: | | PGPLOT |
| Plugin: | | Linking |
| PNG standard: | | Colormaps for single-channel pixels |
| Point (Vector graphics; PostScript): | | Marking objects for publication |
| Point (Vector graphics; PostScript): | | Drawing with vector graphics |
| Point pixels: | | Resampling |
| Point source: | | PSF |
| Point spread function: | | Tutorials |
| Point spread function: | | PSF |
| Pointers: | | Pointers |
| Poisson distribution: | | Photon counting noise |
| Poisson distribution: | | Photon counting noise |
| Poisson noise: | | Random number generators |
| Poisson, Siméon Denis: | | Photon counting noise |
| Polyconic projection: | | Align pixels with WCS considering distortions |
| Polygon: | | Box shape operators |
| Polygons, Concave: | | Crop options |
| Polygons, Concave: | | Polygons |
| Polygons, Convex: | | Crop options |
| Polygons, Convex: | | Polygons |
| Polynomial fit: | | Fitting functions |
| Polynomial fit (robust): | | Fitting options |
| Polynomial interpolation: | | Interpolation |
| Portable Document format: | | Recognized file formats |
| Portable script: | | Separate shell variables for multiple outputs |
| Portable shell: | | Installed scripts |
| Position angle: | | Measuring elliptical parameters |
| Position angle: | | Defining an ellipse and ellipsoid |
| Position angle: | | Dimensions |
| POSIX threads: | | Implementation of pthread_barrier |
| POSIX Threads: | | Gnuastro's thread related functions |
| POSIX threads library: | | Multithreaded programming |
| Post-fix notation: | | Reverse polish notation |
| Postage stamp images: | | Crop |
| PostScript: | | Recognized file formats |
| PostScript: | | Pixel visualization |
| PostScript: | | EPS files |
| PostScript: | | PDF files |
| PostScript point: | | Drawing with vector graphics |
| PostScript vs. PDF: | | Recognized file formats |
| Pre-Processor: | | Headers |
| Pre-processor macros: | | Headers |
| Precedence, configuration files: | | Configuration file precedence |
| Precision of floats: | | Printing floating point numbers |
| prefix/etc/: | | System wide |
| Primary colors: | | Pixel colors |
| printf : | | Table input output |
| Printing floating point numbers: | | Printing floating point numbers |
| Prior WCS distortion: | | World Coordinate System |
| Probability density function: | | Histogram and Cumulative Frequency Plot |
| Probability density function: | | Sky value misconceptions |
| Probability density function: | | Photon counting noise |
| Profile, profile: | | Generate radial profile |
| Profiles, galaxies: | | Galaxies |
| progname-complete.bash : | | Mandatory source code files |
| progname.c, progname.h : | | Mandatory source code files |
| prognameparams : | | Mandatory source code files |
| Program crashing: | | Report a bug |
| Program names: | | Naming convention |
| Program structure convention: | | Program source |
| Programming, low level: | | Why C |
| ProgramName : | | Naming convention |
| Projections (world coordinate system): | | Align pixels with WCS considering distortions |
| Projective transformation: | | Linear warping basics |
| Proper distance: | | Distance on a 2D curved space |
| Provenance: | | Invoking asttable |
| Provenance: | | Building new dataset and stack management |
| Pseudo color: | | Pixel colors |
| PSF: | | Tutorials |
| PSF: | | Sufi simulates a detection |
| PSF: | | PSF |
| PSF image size: | | PSF |
| PSF over-sample: | | Oversampling |
| PSF width: | | PSF |
| PSF, Moffat compared Gaussian: | | PSF |
| Psuedo-random numbers: | | Generating random numbers |
| pthread: | | Multi-threaded operations |
| pthread_barrier: | | Implementation of pthread_barrier |
| Ptolemy, Claudius: | | Sufi simulates a detection |
| Public domain: | | Your rights |
| Purity: | | Extract clumps and objects |
| Purity: | | Completeness limit of each detection |
| Puzzle solving scientist: | | Science and its tools |
| PyPI: | | Optional dependencies |
| PyPI: | | Gnuastro configure options |
| Python: | | Gnuastro configure options |
| Python Matplotlib: | | Program design philosophy |
| Python Matplotlib: | | PGPLOT |
| Python programming language: | | Why C |
| Python3: | | Optional dependencies |
|
Q | | |
| qsort : | | Qsort functions |
| Quadrilateralized spherical cube projection: | | Align pixels with WCS considering distortions |
| Quality of compression in JPEG: | | ConvertType input and output |
| Quantile: | | Skewness caused by signal and its measurement |
| Quantile: | | Quantifying signal in a tile |
| Quantile: | | Input to Statistics |
| Quantile: | | Detection options |
| Quantile: | | Statistical operations |
| Quantile of the mean: | | Single value measurements |
| Query: | | Query |
| Qutb al-Din al-Shirazi: | | Fourier series historical background |
|
R | | |
| Radial metric: | | Processing options |
| Radial profile: | | Vector columns |
| Radial profile: | | Least squares fitting |
| Radial profile: | | Generate radial profile |
| Radial profile on ellipse: | | Defining an ellipse and ellipsoid |
| Radio astronomy: | | Available databases |
| Radius, effective: | | Galaxies |
| RAM: | | Memory management |
| RAM: | | Gnuastro's thread related functions |
| RAM: | | Binary datasets |
| Random number generation: | | Image surface brightness limit |
| Random number generator, Seed: | | Upper-limit settings |
| Random number generator, Seed: | | Sampling from a function |
| Random number generator, Seed: | | MakeProfiles profile settings |
| Random number generator, Seed: | | Generating random numbers |
| Random number generator, Seed: | | Generating random numbers |
| Random number generator, Seed: | | Invoking astmknoise |
| Random numbers: | | Generating random numbers |
| Random row selection: | | Invoking asttable |
| Raster graphics: | | Raster and Vector graphics |
| Raster graphics: | | Recognized file formats |
| Readout noise: | | Instrumental noise |
| Red Hat: | | Dependencies from package managers |
| Redirection: | | Sufi simulates a detection |
| Redirection in shell: | | Writing scripts to automate the steps |
| Redirection of output: | | --help |
| Redirection of output: | | --help |
| Reentrancy, multiple file opening: | | CFITSIO |
| Region file (SAO DS9): | | Crop options |
| Region file (SAO DS9): | | SAO DS9 library |
| Remembering options: | | Getting help |
| Remote operation: | | Command-line interface |
| Removing ast from executables: | | Executable names |
| Repeated options: | | Options |
| Report a bug: | | Gnuastro project webpage |
| Reproducibility: | | Invoking asttable |
| Reproducibility: | | Upper-limit settings |
| Reproducibility: | | Makefile functions of Gnuastro |
| Reproducibility: | | Why C |
| Reproducible bug reports: | | Report a bug |
| Reproducible results: | | Command-line interface |
| Resampling: | | Resampling |
| Resampling: | | Align pixels with WCS considering distortions |
| Resampling: | | Align pixels with WCS considering distortions |
| Resampling: | | Interpolation |
| Resampling by area: | | Pixel information images |
| Resource heavy operations: | | Command-line interface |
| Rest frame wavelength: | | CosmicCalculator spectral line calculations |
| Rest-frame: | | Spectral lines library |
| Rest-frame wavelength: | | CosmicCalculator input options |
| restrict : | | Generic data container |
| Results, wrong: | | Report a bug |
| Reverse Polish Notation: | | Reverse polish notation |
| RGB: | | Color |
| RGB: | | Pixel colors |
| RHEL: | | Dependencies from package managers |
| Right Ascension: | | Column arithmetic |
| Right Ascension: | | Arithmetic on datasets |
| Right Ascension: | | Unit conversion library |
| Right Ascension: | | Unit conversion library |
| Ritchie, Dennis: | | Why C |
| river: | | Segment |
| Robust polynomial fit: | | Fitting options |
| Robust Polynomial fit: | | Fitting functions |
| Roger Cotes: | | Circles and the complex plane |
| Root access, not possible: | | Installation directory |
| Root parameter structure: | | Mandatory source code files |
| Rotation of coordinates: | | Linear warping basics |
| Round-off error: | | Invoking astconvolve |
| Round-off error: | | Polygons |
| Row selection, by random: | | Invoking asttable |
|
S | | |
| Sampling: | | Resampling |
| Sampling: | | Sampling from a function |
| Sampling theorem: | | Resampling |
| Sanson-Flamsteed projection: | | Align pixels with WCS considering distortions |
| SAO DS9: | | Reddest clumps cutouts and parallelization |
| SAO DS9: | | Extract clumps and objects |
| SAO DS9: | | Pixel visualization |
| SAO DS9: | | Segment output |
| SAO DS9: | | SAO DS9 library |
| SAO DS9: | | SAO DS9 |
| SAO DS9 region file: | | Crop options |
| SAO DS9 region file: | | SAO DS9 library |
| Saturated pixels: | | Interpolation operators |
| Saturated stars: | | Interpolation |
| Saturation (CCDs): | | Uniting the different PSF components |
| Save output to file: | | --help |
| Saving binary image: | | Recognized file formats |
| Scales, coordinate: | | Angular coverage on the sky |
| Scaling: | | Linear warping basics |
| Scatter plot: | | Column statistics color-magnitude diagram |
| Scientific Linux: | | Dependencies from package managers |
| Scientist, puzzle solver: | | Science and its tools |
| Script, shell: | | Writing scripts to automate the steps |
| Scripts, startup: | | Installation directory |
| Scroll command-line: | | --help |
| SDSS: | | Image surface brightness limit |
| SDSS: | | Unit conversion operators |
| SDSS: | | Brightness flux magnitude |
| SDSS: | | Zero point tutorial with reference image |
| SDSS DR12: | | Available databases |
| SDSS Photometric Catalogue, Release 12: | | Available databases |
| SDSS vs. Johnson filters: | | Zero point tutorial with reference image |
| SDSS, Sloan Digital Sky Survey: | | Detecting large extended targets |
| Sérsic index: | | Galaxies |
| Sérsic profile: | | Morphology measurements nonparametric |
| Sérsic profile: | | Galaxies |
| Sérsic, J. L.: | | Galaxies |
| Search directory for executables: | | Installation directory |
| Search directory order: | | Installation directory |
| Searching text: | | --help |
| Second moment: | | Measuring elliptical parameters |
| Section of an image: | | Crop |
| Secure shell: | | Command-line interface |
| SED, stream editor: | | Executable names |
| Seed, random number generator: | | Image surface brightness limit |
| Seed, Random number generator: | | Upper-limit settings |
| Seed, Random number generator: | | Sampling from a function |
| Seed, Random number generator: | | MakeProfiles profile settings |
| Seed, Random number generator: | | Generating random numbers |
| Seed, Random number generator: | | Generating random numbers |
| Seed, Random number generator: | | Invoking astmknoise |
| Segmentation: | | NoiseChisel |
| Segmentation: | | NoiseChisel |
| sequent WCS distortion: | | World Coordinate System |
| Setting output file names automatically: | | Automatic output |
| Setting PATH : | | Installation directory |
| Sexagesimal: | | Column arithmetic |
| Sexagesimal: | | Crop options |
| Sexagesimal: | | Arithmetic on datasets |
| SHA-1 checksum: | | Downloading and validating input data |
| Shapes for marks (vector graphics): | | Drawing with vector graphics |
| Shared library: | | Linking |
| Shared library versioning: | | Linking |
| Shear: | | Linear warping basics |
| Shebang: | | Writing scripts to automate the steps |
| Shell: | | Command-line interface |
| Shell: | | Arguments and options |
| Shell alias: | | Invoking astnoisechisel |
| Shell alias: | | Invoking astmkprof |
| Shell auto-complete: | | Executable names |
| Shell history: | | Writing scripts to automate the steps |
| Shell redirection: | | Writing scripts to automate the steps |
| Shell script: | | GNU Astronomy Utilities 1.0 |
| Shell script: | | Writing scripts to automate the steps |
| Shell startup: | | Invoking astnoisechisel |
| Shell startup: | | Invoking astmkprof |
| Shell variables: | | Installation directory |
| Shell, portable: | | Installed scripts |
| Shift + PageUP and Shift + PageDown: | | --help |
| SI (International System of Units): | | Brightness flux magnitude |
| Sigma-clipping: | | Sky value misconceptions |
| Sigma-clipping: | | Statistical operations |
| Signal: | | Quantifying signal in a tile |
| Signal to noise ratio: | | Warp |
| Signal to noise ratio: | | Resampling |
| Signal-to-noise ratio: | | Quantifying signal in a tile |
| Signed integer: | | Numeric data types |
| SII doublet: | | Spectral lines library |
| Simulating noise: | | Photon counting noise |
| Simultaneous multithreading: | | Multi-threaded operations |
| Single channel CMYK: | | Colormaps for single-channel pixels |
| SIP distortion: | | Align pixels with WCS considering distortions |
| SIP WCS distortion: | | Keyword inspection and manipulation |
| SIP WCS distortion: | | World Coordinate System |
| SIP WCS distortion: | | World Coordinate System |
| size_t : | | Ordered list of size_t |
| size_t : | | Doubly linked ordered list of size_t |
| Skewed Poisson distribution: | | Photon counting noise |
| Skewness: | | Skewness caused by signal and its measurement |
| Skewness: | | Quantifying signal in a tile |
| Skewness: | | Brightness measurements |
| Sky: | | Sky lines in optical IFUs |
| Sky: | | Sky value |
| Sky emission-lines: | | Sky lines in optical IFUs |
| Sky line: | | Interpolation |
| Sky value: | | Sky value definition |
| Sky value: | | Sky value definition |
| Sky value: | | Photon counting noise |
| Slant zenithal projection: | | Align pixels with WCS considering distortions |
| Sloan Digital Sky Survey, SDSS: | | Detecting large extended targets |
| SLS Color: | | Pixel visualization |
| Small circle: | | Box shape operators |
| Software bug: | | Report a bug |
| Source code building: | | Dependencies from package managers |
| Source code compilation: | | Dependencies from package managers |
| Source file navigation: | | Program source |
| Source tree: | | Test scripts |
| Source, uncompress: | | Quick start |
| Spectrum: | | Detecting lines and extracting spectra in 3D data |
| Spectrum: | | Vector columns |
| Spectrum: | | Measurements per slice spectra |
| Spectrum (of astronomical source): | | Measurements per slice spectra |
| Spectrum, Fourier: | | Invoking astconvolve |
| Speed of light: | | Constants |
| Spline (Akima) interpolation: | | Interpolation |
| Spline (cubic) interpolation: | | Interpolation |
| Spread of a point source: | | PSF |
| SSD: | | Configure and build in RAM |
| SSH: | | Command-line interface |
| Stacking: | | Stacking operators |
| Stacking: | | Moire pattern and its correction |
| Stacking: | | Align pixels with WCS considering distortions |
| Standard deviation: | | Measuring elliptical parameters |
| Standard deviation: | | Statistical operations |
| Standard input: | | Input output options |
| Standard input: | | Standard input |
| Standard input: | | Separate shell variables for multiple outputs |
| Standard input: | | Automatic output |
| Standard input: | | ConvertType input and output |
| Standard input: | | Invoking aststatistics |
| Standard input: | | Text files |
| Standard output: | | Sufi simulates a detection |
| Standard output: | | Invoking asttable |
| Standard output stream: | | Standard input |
| Standard, FITS: | | Generic data container |
| Star formation main sequence: | | Least squares fitting |
| Stars, modeling: | | Stars |
| Startup scripts: | | Installation directory |
| Startup scripts: | | Generating random numbers |
| Startup, shell: | | Invoking astnoisechisel |
| Startup, shell: | | Invoking astmkprof |
| Static document description format: | | Recognized file formats |
| Static linking: | | Linking |
| Statistical analysis: | | Science and its tools |
| Steffen interpolation: | | Interpolation |
| Steradian: | | Brightness flux magnitude |
| Stereographic projection: | | Align pixels with WCS considering distortions |
| Stitch multiple images: | | Crop |
| STR : | | Options |
| Stream editor, SED: | | Executable names |
| Stream: standard input: | | Standard input |
| Stream: standard output: | | Standard input |
| Stroustrup, Bjarne: | | Science and its tools |
| Stroustrup, Bjarne: | | Why C |
| Structure de-reference operator: | | Mandatory source code files |
| Structures: | | Headers |
| Subaru Telescope: | | Tessellation |
| Submit new tracker item: | | Report a bug |
| Suffix (filename): | | Arguments |
| Suffixes, EPS format: | | Recognized file formats |
| Suffixes, JPEG images: | | Recognized file formats |
| Suffixes, PDF format: | | Recognized file formats |
| Suffixes, plain text: | | Recognized file formats |
| Sufi, Abd al-rahman: | | Sufi simulates a detection |
| Sum: | | Statistical operations |
| Sum for total flux: | | Profile magnitude |
| Supergalactic coordinate system: | | Keyword inspection and manipulation |
| Supergalactic coordinate system: | | World Coordinate System |
| Superuser, not possible: | | Installation directory |
| Support request manager: | | Report a bug |
| Surface Brightness: | | FITS images in a publication |
| Surface brightness: | | Achieved surface brightness level |
| Surface brightness: | | Brightness flux magnitude |
| Surface brightness: | | Surface brightness limit of image |
| Surface Brightness: | | Arithmetic on datasets |
| Surface Brightness: | | Unit conversion library |
| Surface brightness error: | | Surface brightness error of each detection |
| Surface brightness limit: | | Image surface brightness limit |
| Surface brightness limit: | | Surface brightness limit of image |
| Surface brightness limit: | | MakeCatalog output |
| SUSE Linux Enterprise Server: | | Dependencies from package managers |
| SVO database (filter transmission curve): | | Zero point tutorial with reference image |
| Symbolic link: | | Executable names |
| System Cache: | | A note on threads |
| System wide configuration files: | | System wide |
|
T | | |
| Table viewer: | | TOPCAT |
| Tables FITS: | | Recognized table formats |
| Tabs are evil: | | Coding conventions |
| Tangential spherical cube projection: | | Align pixels with WCS considering distortions |
| TAP (Table Access Protocol): | | Query |
| Task tracker: | | Report a bug |
| Taxicab metric: | | Processing options |
| Terminal (true color, 24 bit): | | Vector graphics colors |
| Test: | | Quick start |
| Test scripts: | | Test scripts |
| Tests, error in converting images: | | Known issues |
| Tests, only one passes: | | Known issues |
| Tests, running: | | Tests |
| tests/during-dev.sh: | | Building and debugging |
| TeX: | | Known issues |
| TeX: | | Recognized file formats |
| TeX Live: | | Bootstrapping dependencies |
| Thread safety: | | World Coordinate System |
| Thread safety: | | Qsort functions |
| Thresholding: | | Binary datasets |
| TIFF format: | | Optional dependencies |
| TIFF format: | | Gnuastro configure options |
| TIFF format: | | Recognized file formats |
| TIFF format: | | TIFF files |
| TiKZ: | | Annotations for figure in paper |
| Tilde expansion as option values: | | Options |
| Time zone: | | Invoking astscript-sort-by-night |
| Time, Unix epoch: | | Keyword inspection and manipulation |
| Time, Unix epoch: | | Column arithmetic |
| Time, Unix epoch: | | Sort FITS files by night |
| Timeout: | | Input output options |
| tmpfs file system: | | Configure and build in RAM |
| Tokens: | | Vector columns |
| Top processing source file: | | Mandatory source code files |
| Top root structure: | | Mandatory source code files |
| TPD WCS distortion: | | World Coordinate System |
| TPV distortion: | | Align pixels with WCS considering distortions |
| TPV WCS distortion: | | Keyword inspection and manipulation |
| TPV WCS distortion: | | World Coordinate System |
| TPV WCS distortion: | | World Coordinate System |
| Tracker: | | Report a bug |
| Tracker: | | Gnuastro project webpage |
| Trailing space: | | Coding conventions |
| Transform image: | | MakeProfiles |
| Transformation, affine: | | Linear warping basics |
| Transformation, projective: | | Linear warping basics |
| Transmission curve of filters: | | Zero point tutorial with reference image |
| Trigonometry: | | Trigonometric and hyperbolic operators |
| True color terminal: | | Vector graphics colors |
| Truncation radius: | | Profile magnitude |
| Tukey’s biweight (bisquare) function: | | Fitting options |
| Turn over point (angular diameter distance): | | Cosmological coverage and visualizing tables |
| Tutorial: | | Tutorials |
| Type: | | Numeric data types |
|
U | | |
| U.S. Naval Observatory CCD Astrograph Catalog: | | Available databases |
| Ubuntu: | | Dependencies from package managers |
| ui.c : | | Mandatory source code files |
| ui.h : | | Mandatory source code files |
| Uncompress source: | | Quick start |
| Undetected objects: | | Photon counting noise |
| Universal time coordinate (UTC): | | Invoking astscript-sort-by-night |
| Unix epoch time: | | Keyword inspection and manipulation |
| Unix epoch time: | | Column arithmetic |
| Unix epoch time: | | Sort FITS files by night |
| Unix epoch time: | | FITS header keywords |
| Unsigned integer: | | Numeric data types |
| Upper limit magnitude: | | Upper limit magnitude of each detection |
| Upper-limit: | | Measuring the dataset limits |
| US letter paper size: | | A4 print book |
| Usage pattern: | | --usage |
| User interface functions: | | Mandatory source code files |
| Using CPU threads: | | Multi-threaded operations |
| Using multiple CPU cores: | | Multi-threaded operations |
| Using multiple threads: | | A note on threads |
| UTC (Universal time coordinate): | | Invoking astscript-sort-by-night |
|
V | | |
| Valgrind: | | Gnuastro configure options |
| Valgrind: | | Gnuastro configure options |
| Valgrind: | | Separate build and source directories |
| Valgrind: | | Separate build and source directories |
| Values to options: | | Options |
| Variance: | | Measuring elliptical parameters |
| Variance-covariance matrix: | | Fitting functions |
| Vatican library: | | Fits |
| Vector columns: | | Vector columns |
| Vector graphics: | | Raster and Vector graphics |
| Vector graphics: | | Recognized file formats |
| Vector graphics point: | | Drawing with vector graphics |
| Verification, checksum: | | Downloading and validating input data |
| Version control: | | Report a bug |
| Version control: | | Version controlled source |
| Version control systems: | | Optional dependencies |
| Version control systems: | | Gnuastro configure options |
| Version number: | | Version numbering |
| Versioning: Shared library: | | Linking |
| Vertices on sphere (sky): | | Box shape operators |
| Viewing trackers: | | Report a bug |
| Viridis: Colormap: | | Pixel visualization |
| Virtual console: | | Command-line interface |
| Visualization: | | Colormaps for single-channel pixels |
| VizieR: | | Available databases |
| void * : | | Generic data container |
| Volatile memory: | | Memory management |
| VOTable: | | Available databases |
| VOTable: | | TOPCAT |
| Voxel: | | Detecting lines and extracting spectra in 3D data |
|
W | | |
| Wall-clock time: | | A note on threads |
| Warp: | | Interpolation |
| Wassel, Caspar: | | Circles and the complex plane |
| WAT WCS distortion: | | World Coordinate System |
| Watershed algorithm: | | Segment |
| Watershed algorithm: | | Labeled datasets |
| Wavelength, rest-frame: | | CosmicCalculator input options |
| WCS: | | WCSLIB |
| WCS distortion: | | Keyword inspection and manipulation |
| WCS distortion: | | Align pixels with WCS considering distortions |
| WCS distortion: | | World Coordinate System |
| WCS distortion: | | World Coordinate System |
| WCS distortion: | | Interpolation |
| WCS Projections: | | Align pixels with WCS considering distortions |
| WCS: World Coordinate System: | | Column arithmetic |
| WCSLIB: | | WCSLIB |
| WCSLIB: | | Align pixels with WCS considering distortions |
| WCSLIB: | | Linear warps to be called explicitly |
| WCSLIB thread safety: | | World Coordinate System |
| Web colors: | | Vector graphics colors |
| Wedge (radial profile): | | Invoking astscript-radial-profile |
| Weight (in fitting): | | Fitting functions |
| Weight (in fitting): | | Fitting functions |
| Weighted average: | | Convolve |
| Welsch function (robust weight): | | Fitting options |
| WFC3: | | Warp |
| White space character: | | Configuration file format |
| Whole-Sky USNO-B1.0 Catalog: | | Available databases |
| Wide Field Camera 3: | | Warp |
| Wide Field Camera 3: | | Linear warping basics |
| William Thomson: | | Science and its tools |
| Window Subsystem for Linux: | | New to GNU/Linux? |
| WISE All-Sky data Release: | | Available databases |
| World Coordinate System: | | WCSLIB |
| World Coordinate System: | | Linear warps to be called explicitly |
| World Coordinate System (WCS): | | Column arithmetic |
| World Coordinate System (WCS): | | Dimensionality changing operators |
| World Coordinate System (WCS): | | Surface brightness limit of image |
| Writing configuration files: | | Configuration file format |
| Wrong output: | | Report a bug |
| Wrong results: | | Report a bug |
|
X | | |
| xargs (extended arguments): | | Separate shell variables for multiple outputs |
| XDF survey: | | General program usage tutorial |
| XDF survey: | | Surface brightness limit of image |
|
Y | | |
| yum : | | Dependencies from package managers |
|
Z | | |
| Zenithal/azimuthal equal area projection: | | Align pixels with WCS considering distortions |
| Zenithal/azimuthal equidistant projection: | | Align pixels with WCS considering distortions |
| Zenithal/azimuthal polynomial projection: | | Align pixels with WCS considering distortions |
| Zenithal/azimuthal projection: | | Align pixels with WCS considering distortions |
| Zero point: | | Sufi simulates a detection |
| Zero point: | | Zero point estimation |
| Zero point magnitude: | | Image surface brightness limit |
| Zero point magnitude: | | Brightness flux magnitude |
| Zsh shell: | | Separate shell variables for multiple outputs |
| zypper , OpenSUSE package manager: | | Dependencies from package managers |
|