xslogconst

Context: models

Synopsis

The XSPEC logconst model: Constant in log units.

Syntax

xslogconst

The xslogconst model is a multiplicative model component.

Description

The model is described at [1] .

Example

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

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

mdl
   Param        Type          Value          Min          Max      Units
   -----        ----          -----          ---          ---      -----
   mdl.logfact  thawed            0          -20           20

ATTRIBUTES

The attribute for this object is:

Attribute	Definition
logfact	The constant factor in natural log.

References

[1] https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelLogconst.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.