EnzoCosmology.
angular_diameter_distance
(z_i, z_f)¶Following Hogg (1999), the angular diameter distance is ‘the ratio of an object’s physical transverse size to its angular size in radians.’
Parameters: | z_i : float
z_f : float
|
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Examples
>>> co = Cosmology()
>>> print co.angular_diameter_distance(0., 1.).in_units("Mpc")