Synopsis
The XSPEC expabs model: exponential roll-off at low E.
Syntax
xsexpabs The xsexpabs model is a multiplicative model component.
Description
The model is described at [1] .
Example
>>> create_model_component("xsexpabs", "mdl")
>>> print(mdl)Create a component of the xsexpabs model and display its default parameters. The output is:
mdl Param Type Value Min Max Units ----- ---- ----- --- --- ----- mdl.LowECut thawed 2 0 200 keV
ATTRIBUTES
The attribute for this object is:
| Attribute | Definition |
|---|---|
| LowECut | The e-folding energy for the absorption, in keV. |
References
- [1] https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelExpabs.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.