Xspec Manual
Home Downloads Manual Issues/Patches Additional Models Xspec v11

An X-Ray Spectral Fitting Package

User's Guide for version 11.3

Helpful information available includes:

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Link to download and install instructions page

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User Manual

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XSPEC v11.3.2 release notes

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known issues with the current release

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More models for XSPEC v11.3

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Using the MINUIT library in XSPEC

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Background Subtraction

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Spatial-Spectral Fitting of Clusters with ASCA data

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advice on writing the various FITS file formats used by XSPEC

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example Tcl scripts for the tcl/tk-based user interface.

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WEBSPEC A WWW interface for XSPEC. Currently, it can be used to simulate spectral data for a variety of X-ray missions/instruments.

The manual for XSPEC v.11.3 is available in three formats:

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Compressed Postscript

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Adobe Acrobat (link to free download for reader) Portable Document Format (PDF)

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HTML (unzip/untar this file in its own directory)

The latest XSPEC reference is ... Arnaud, K.A., 1996, Astronomical Data Analysis Software and Systems V, eds. Jacoby G. and Barnes J., p17, ASP Conf. Series volume 101.

Xspec Xspec Home Page


Please send all suggestions for improvements and reports of errors in this manual to :
Keith Arnaud (kaa@genji.gsfc.nasa.gov)


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Last modified: Wednesday, 02-Mar-2011 10:58:47 EST