def arcsec_per_kpc_proper_of_plane(self, i): return cosmology_util.arcsec_per_kpc_from_redshift_and_cosmology( redshift=self.plane_redshifts[i], cosmology=self.cosmology )
def arcsec_per_kpc(self): return cosmology_util.arcsec_per_kpc_from_redshift_and_cosmology( redshift=self.redshift, cosmology=self.cosmology)