Last modified: December 2018

URL: http://cxc.harvard.edu/sherpa/ahelp/xscabs.html
AHELP for CIAO 4.11 Sherpa v1

xscabs

Context: models

Synopsis

The XSPEC cabs model: Optically-thin Compton scattering.

Syntax

xscabs

The xscabs model is a multiplivative model component.

Description

The model is described at [1] .


Example

>>> create_model_component("xscabs", "mdl")
>>> print(mdl)

Create a component of the xscabs model and display its default parameters. The output is:

mdl
   Param        Type          Value          Min          Max      Units
   -----        ----          -----          ---          ---      -----
   mdl.nH       thawed            1            0       100000 10^22 atoms / cm^2

ATTRIBUTES

The attribute for this object is:

nH

The Hydrogen column, in units of 10^22 cm^-2.

References

XSPEC version

CIAO 4.11 comes with support for version 12.10.0e of the XSPEC models. This can be checked with the following:

% python -c 'from sherpa.astro import xspec;
print(xspec.get_xsversion())'
12.10.0e

Bugs

See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.