default_cosmology¶
-
class
astropy.cosmology.
default_cosmology
[source]¶ Bases:
astropy.utils.state.ScienceState
The default cosmology to use.
To change it:
>>> from astropy.cosmology import default_cosmology, WMAP7 >>> with default_cosmology.set(WMAP7): ... # WMAP7 cosmology in effect ... pass
Or, you may use a string:
>>> with default_cosmology.set('WMAP7'): ... # WMAP7 cosmology in effect ... pass
To get the default cosmology:
>>> default_cosmology.get() FlatLambdaCDM(name="Planck18", H0=67.66 km / (Mpc s), Om0=0.30966, ...
Methods Summary
get
()Get the current science state value.
Deprecated since version 5.0.
set
(value)Set the current science state value.
validate
(value)Return a Cosmology given a value.
Methods Documentation
-
classmethod
get
()¶ Get the current science state value.
-
classmethod
get_cosmology_from_string
(arg)[source]¶ Deprecated since version 5.0: The get_cosmology_from_string method is deprecated and may be removed in a future version. Use get instead.
Return a cosmology instance from a string.
-
classmethod
set
(value)¶ Set the current science state value.
-
classmethod