An X-Ray Spectral Fitting Package
Downloads Manual Issues/Patches Additional Models Xspec In Python Additional Python
  (Updated 02/27/24) (Updated 06/05/24)    

Version 12.14.0 Now Available

Helpful information available includes:

Download the full Xspec 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

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Last modified: Wednesday, 05-Jun-2024 12:32:43 EDT