Last modified: December 2018

AHELP for CIAO 4.11 Sherpa v1


Context: models


partial covering. XSpec convolution model *Experimental*.


A convolution model to convert some absorption model into a partial covering absorption. If the absorption model is M(E) then this is converted to

(1-CvrFract) + CvrFract * M(E)


xspartcov Parameters

Number Name Description
1 CvrFract Covering fraction (0 < CvrFract < 1)

Loading the X-Spec convolution models

Please see ahelp xsconvolve for information on how to load the model.


XSpec version

This information is taken from the XSpec User's Guide. Version 12.10.0e of the XSpec models is supplied with CIAO 4.11.


sherpa> from sherpa_contrib.xspec.xsconvolve import load_xspartcov
sherpa> load_xspartcov("partcov")
sherpa> set_source(partcov( *

The xsphabs model is converted into a partial covering model.

About Contributed Software

This script is not an official part of the CIAO release but is made available as "contributed" software via the CIAO scripts page. Please see this page for installation instructions - such as how to ensure that the parameter file is available.

Changes in the scripts 4.9.2 (April 2017) release

This model was broken in previous releases.


For a list of known bugs and issues with the XSPEC models, please visit the XSPEC bugs page.

See Also

list_model_components, list_models, load_xscflux, load_xsclumin, load_xscpflux, load_xsgsmooth, load_xsireflect, load_xskdblur, load_xskdblur2, load_xskerrconv, load_xslsmooth, load_xsrdblur, load_xsreflect, load_xsrfxconv, load_xsrgsxsrc, load_xssimpl, load_xsvashift, load_xsvmshift, load_xsxilconv, load_xszashift, load_xszmshift, models, tablemodel, xs, xsconvolve