Synopsis
The XSPEC zpcfabs model: partial covering fraction absorption.
Syntax
xszpcfabs The xszpcfabs model is a multiplicative model component.
Description
The model is described at [1] .
Example
>>> create_model_component("xszpcfabs", "mdl") >>> print(mdl)
Create a component of the xszpcfabs model and display its default parameters. The output is:
mdl Param Type Value Min Max Units ----- ---- ----- --- --- ----- mdl.nH thawed 1 0 1e+06 10^22 atoms / cm^2 mdl.CvrFract thawed 0.5 0 1 mdl.redshift frozen 0 -0.999 10
ATTRIBUTES
The attributes for this object are:
Attribute | Definition |
---|---|
nH | The equivalent hydrogen column (in units of 10^22 atoms/cm^2). |
CvrFract | The covering fraction. |
redshift | The redshift. |
References
- [1] https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelPcfabs.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.
See Also
- models
- xspcfabs