astropy:docs

distmod

astropy.cosmology.funcs.distmod(z, cosmo=None)[source] [edit on github]

Distance modulus at redshift z.

The distance modulus is defined as the (apparent magnitude - absolute magnitude) for an object at redshift z.

Parameters:

z : array_like

Input redshifts.

Returns:

distmod : astropy.units.Quantity

Distance modulus at each input redshift.

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