absolute_to_apparent_magnitude¶
-
cosmo_utils.mock_catalogues.mags_calculations.
absolute_to_apparent_magnitude
(abs_mag, lum_dist, unit='mpc')[source] [edit on github]¶ Calculates the apparent magnitude using the luminosity and absolute magnitude.
Parameters: abs_mag : float, int, or array_like
Array of absolute magnitude(s)
lum_dist : array_like
Array of luminosity distnace to object. In units of
Mpc
.unit : {‘pc’, ‘kpc’, ‘mpc’} str, optional
Unit to use for
lum_dist
. This variable is set tompc
by default. Whenpc
, the units are in parsecs, whilempc
is for distances in mega-parsecs, etc.Returns: app_mag : array_like, or float
Array of apparent magnitude(s).
app_mag
is a float ifabs_mag
is a float or int.