CriticalDensity

class astropy.cosmology.traits.CriticalDensity

Bases: object

The object has attributes and methods for the critical density.

Methods Summary

critical_density(z)

Critical density in grams per cubic cm at redshift z.

Methods Documentation

critical_density(z)

Critical density in grams per cubic cm at redshift z.

Parameters:

zQuantity-like [‘redshift’], numpy:array_like

Input redshift.

Changed in version 7.0: Passing z as a keyword argument is deprecated.

Returns:

rhoQuantity [:ref: ‘mass density’]

Critical density at each input redshift.