get_xscosmo¶
- sherpa.astro.xspec.get_xscosmo()[source] [edit on github]¶
Return the X-Spec cosmology settings.
- Returns
The Hubble constant, in km/s/Mpc, the deceleration parameter, and the cosmological constant.
- Return type
(h0, q0, l0)
See also
Examples
>>> get_xscosmo() (70.0, 0.0, 0.7300000190734863)