XSbtapec

class sherpa.astro.xspec.XSbtapec(name='btapec')

Bases: sherpa.astro.xspec.XSAdditiveModel

The XSPEC btapec model: velocity broadened APEC emission spectrum with separate continuum and line temperatures.

The model is described at [1]. The set_xsabund and get_xsabund functions change and return the current settings for the relative abundances of the metals. The set_xsxset and get_xsxset functions are used to set and query the XSPEC XSET parameters, in particular the keywords “APECROOT” and “APEC_TRACE_ABUND”.

kT

Continuum temperature, in keV.

kTi

Line temperature, in keV.

Abundanc

The metal abundance of the plasma, as defined by the set_xsabund function and the “APEC_TRACE_ABUND” xset keyword (which defaults to 1.0).

Redshift

The redshift of the plasma.

Velocity

The gaussian sigma of the velocity broadening, in km/s.

norm

The normalization of the model: see [1] for an explanation of the units.

See also

XSbapec, XSbvtapec, XSbvvtapec

Notes

This model is only available when used with XSPEC 12.9.1 or later.

References

[1]	(1, 2) https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelBtapec.html

Attributes Summary

thawedparhardmaxes
thawedparhardmins
thawedparmaxes
thawedparmins
thawedpars
version_enabled

Methods Summary

apply(outer, \*otherargs, \*\*otherkwargs)
calc(pars, xlo, \*args, \*\*kwargs)
get_center()
guess(dep, \*args, \*\*kwargs)
reset()
set_center(\*args, \*\*kwargs)
startup()
teardown()

Attributes Documentation

thawedparhardmaxes

thawedparhardmins

thawedparmaxes

thawedparmins

thawedpars

version_enabled = True

Methods Documentation

apply(outer, *otherargs, **otherkwargs)

calc(pars, xlo, *args, **kwargs)

get_center()

guess(dep, *args, **kwargs)

reset()

set_center(*args, **kwargs)

startup()

teardown()