with_H0¶

astropy.cosmology.units.
with_H0
(H0=None)[source]¶ Convert between quantities with littleh and the equivalent physical units.
 Parameters
 H0
None
orQuantity
[:ref: ‘frequency’] The value of the Hubble constant to assume. If a
Quantity
, will assume the quantity isH0
. IfNone
(default), use theH0
attribute fromdefault_cosmology
.
 H0
References
For an illuminating discussion on why you may or may not want to use littleh at all, see https://arxiv.org/pdf/1308.4150.pdf