Synopsis
The XSPEC notch model: absorption line, notch.
Syntax
xsnotch The xsnotch model is a multiplicative model component.
Description
The model is described at [1] .
Example
>>> create_model_component("xsnotch", "mdl")
>>> print(mdl)Create a component of the xsnotch model and display its default parameters. The output is:
mdl Param Type Value Min Max Units ----- ---- ----- --- --- ----- mdl.LineE thawed 3.5 0 20 keV mdl.Width thawed 1 0 20 keV mdl.CvrFract frozen 1 0 1
ATTRIBUTES
The attributes for this object are:
| Attribute | Definition |
|---|---|
| LineE | The line energy, in keV. |
| Width | The line width, in keV. |
| CvrFract | The covering fraction. |
References
- [1] https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelNotch.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.