Synopsis
The XSPEC spexpcut model: super-exponential cutoff absorption.
Syntax
xsspexpcut The xsspexpcut model is a multiplicative model component.
Description
The model is described at [1] .
Example
>>> create_model_component("xsspexpcut", "mdl")
>>> print(mdl)Create a component of the xsspexpcut model and display its default parameters. The output is:
mdl Param Type Value Min Max Units ----- ---- ----- --- --- ----- mdl.Ecut thawed 10 0 1e+06 keV mdl.alpha thawed 1 -5 5
ATTRIBUTES
The attributes for this object are:
| Attribute | Definition |
|---|---|
| Ecut | The e-folding energy for the absorption, in keV. |
| alpha | The exponent index: see [1] for more details. |
References
- [1] https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelSpexpcut.html
XSPEC version
CIAO 4.16 comes with support for version 12.13.1e of the XSPEC models. This can be checked with the following:
% python -c 'from sherpa.astro import xspec; print(xspec.get_xsversion())' 12.13.1e
Bugs
See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.