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
Changes in CIAO
Added in CIAO 4.13
XSPEC version
CIAO 4.18 comes with support for version 12.14.0k of the XSPEC models. This can be checked with the following:
% python -c 'from sherpa.astro import xspec; print(xspec.get_xsversion())' 12.14.0k
Bugs
See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.