An X-Ray Spectral Fitting Package
Downloads Manual Issues/Patches Additional Models Xspec In Python Additional Python
  (Updated 03/14/22) (Updated 06/06/22)    

New Version 12.12.1 Now Available!

See the release notes for the many new enhancements

User's Guide for version 12.12.1

Helpful information available includes:

Download the full Xspec v12.12.1 manual.

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 12 was developed by Keith Arnaud, Ben Dorman, and Craig Gordon,
HEASARC Software Development, Astrophysics Science Divsion,
Code 660.1, NASA/GSFC, Greenbelt MD 20771

Please send comments, questions, and bug reports to xspec12@athena.gsfc.nasa.gov

Xanadu Home Page Xanadu ftp site

HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public

Last modified: Monday, 06-Jun-2022 15:41:41 EDT