References

This page collects useful references associated to data formatting.

FITS standards

• FITS standard Document, version 4.0 (2018): pdf and html

• Paper I: Representations of World Coordinates in FITS, Greisen, E. W., and Calabretta, M. R., Astronomy & Astrophysics, 395, 1061-1075, 2002

• Paper II: Representations of celestial coordinates in FITS, Calabretta, M. R., and Greisen, E. W., Astronomy & Astrophysics, 395, 1077-1122, 2002.

• Paper III: Representations of spectral coordinates in FITS, Greisen, E. W., Calabretta, M. R., Valdes, F. G., and Allen, S. L., Astronomy & Astrophysics, 446, 747-771, 2006.

• Mapping on the HEALPix grid, Calabretta, Mark R. and Roukema, Boudewijn F., Monthly Notices of the Royal Astronomical Society, Volume 381, Issue 2, pp. 865-872. October 2007

OGIP

• FITS Rate File, 2014: html

• Calibration files: see references on this page

• Spectral File Format (PHA): html

• Effective Area: pdf

• 2D-PSF File format: pdf

Web sites

• Home page for FITS Support Office (https://fits.gsfc.nasa.gov/)

• HEASARC FITS Working Group, also known as the OGIP (Office of Guest Investigator Programs) FITS working group

• Gamma Astro Data Format: html