Due to the lapse in federal government funding, NASA is not updating this website. We sincerely regret this inconvenience.
HEASoft and XSPEC are now available as conda packages. See details ....
External Guides
This page contains links to external websites, videos, and tutorials as a resource for Xspec users. Some of them these packages either build on PyXspec or have been found to be very useful with PyXspec.
If you have packages that you would like to advertise here, please contact the Xspec team at xspechelp@athena.gsfc.nasa.gov.
- XSPEC tutorial using NuSTAR data
- X-ray spectral fitting methods workshop
- X-ray Spectral Fitting (XSF) 2022 winter school
- Various tutorials about using HEASoft and processing NICER data
- How to use XSPEC for high energy astrophysics
The following guides are Python- or PyXspec-specific
- Example PyXspec Jupyter notebooks from the HEASARC.
- Bayesian X-ray Analysis by Johannes Buchner running on top of PyXspec or Sherpa. See Buchner et al. 2014.
- A simple example of using PyXspec in Jupyterlab from Ivan Valtchanov.
- An example using virtual observatory methods to acquire a spectrum and PyXspec to analyze it.
- Jeremy Sanders' package to run xspec with emcee. Supports running multiple copies of xspec simultaneously on different machines.
- A python tool from Federico Garcia to make interactive corner plots based on xspec mcmc chains saved to FITS files.
- Python notebooks from the NICER-IXPE 2024 workshop, including demonstrations of using PyXspec with NICER and IXPE data.
Disclaimer of endorsement
The U.S. government, including NASA, neither endorses nor guarantees in any way the external organizations, services, advice, or products included in the external website links. Furthermore, the U.S. government neither controls nor guarantees the accuracy, relevance, timeliness, or completeness of the information contained in non-government website links.