Last modified: December 2018

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

xsposm

Context: models

Synopsis

The XSPEC posm model: positronium continuum.

Syntax

xsposm

The xsposm model is an additive model component.

Description

The model is described at [1] .


Example

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

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

mdl
   Param        Type          Value          Min          Max      Units
   -----        ----          -----          ---          ---      -----
   mdl.norm     thawed            1            0        1e+24           

ATTRIBUTES

The attribute for this object is:

norm

The normalization of the model: see [1] for details.

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.