Synopsis
The XSPEC partcov convolution model: partial covering
Syntax
xspartcov The xspartcov model is a convolution model component.
Description
The model is described at [1] .
Example
>>> create_model_component("xspartcov", "mdl")
>>> print(mdl)Create a component of the xspartcov model and display its default parameters. The output is:
mdl Param Type Value Min Max Units ----- ---- ----- --- --- ----- mdl.CvrFract thawed 0.5 0 1
ATTRIBUTES
The attribute for this object is:
| Attribute | Definition |
|---|---|
| CvrFract | The covering fraction (0 to 1). |
Notes
Unlike XSPEC, the convolution model is applied directly to the model, or models, rather than using the multiplication symbol.
References
- [1] https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelPartcov.html
Changes in CIAO
Added in CIAO 4.13
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.