BaryonComponent

class astropy.cosmology.traits.BaryonComponent

Bases: object

The cosmology has attributes and methods for the baryon density.

Methods Summary

Ob(z)

Return the density parameter for baryonic matter at redshift z.

Methods Documentation

Ob(z)

Return the density parameter for baryonic matter 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:

Obndarray

The density of baryonic matter relative to the critical density at each redshift.