## GNU Astronomy Utilities

Next: , Previous: , Up: Invoking astcosmiccal   [Contents][Index]

#### 9.1.3.1 CosmicCalculator input options

The inputs to CosmicCalculator can be specified with the following options:

-z FLT
--redshift=FLT

The redshift of interest.

-H FLT
--H0=FLT

Current expansion rate (in km sec$$^{-1}$$ Mpc$$^{-1}$$).

-l FLT
--olambda=FLT

Cosmological constant density divided by the critical density in the current Universe ($$\Omega_{\Lambda,0}$$).

-m FLT
--omatter=FLT

Matter (including massive neutrinos) density divided by the critical density in the current Universe ($$\Omega_{m,0}$$).

-r FLT
Radiation density divided by the critical density in the current Universe ($$\Omega_{r,0}$$).