pygnuastro.cosmology.comoving_volume

pygnuastro.cosmology.comoving_volume()

Returns the comoving volume over 4pi stradian to z in units of Mega parsecs cube.

Parameters:

• z (float) – Redshift

• H0 (float/None) – Hubble constant in units of km/sec/Mpc

• olambda (float/None) – Cosmological Constant

• omatter (float/None) – Matter Density

• oradiation (float/None) – Radiation Density

Returns:

The comoving volume over 4pi stradian to z in units of Mega parsecs cube.

Return type:

float