arcsec_per_kpc_proper

astropy.cosmology.arcsec_per_kpc_proper(*args, **kwargs)

Deprecated since version 0.4: The arcsec_per_kpc_proper function is deprecated and may be removed in a future version. Use <Cosmology object>.arcsec_per_kpc_proper instead.

Angular separation in arcsec corresponding to a proper kpc at

redshift z.

Parameters:

z : array_like

Input redshifts.

Returns:

theta : Quantity

The angular separation in arcsec corresponding to a proper kpc at each input redshift.