get_xscosmo¶
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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)