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An X-Ray Spectral Fitting Package
User's Guide for version 11.3.x
Keith Arnaud and Ben Dorman
HEASARC
Laboratory for High Energy Astrophysics
NASA/GSFC
Greenbelt, MD 20771
Oct 2003
Contents
Introduction
Spectral Fitting and XSPEC
An overview of XSPEC
Walks through XSPEC
XSPEC commands
XSPEC V11.3 Models
Associated programs
Overview of PLT
Fitting with few counts/bin
Adding models to XSPEC
The User Interface
Revision History for Version 10 & 11
Ben Dorman
2003-11-28
![[*]](https://webarchive.library.unt.edu/eot2008/20090831163610im_/http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/xspec11/manual/prevon.gif)
![[*]](https://webarchive.library.unt.edu/eot2008/20090831163610im_/http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/xspec11/manual/conton.gif)
