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Come analyze HEASARC, IRSA, and MAST data in the cloud! The Fornax Initiative is now welcoming all interested beta users.

XSELECT Home Page

A multipurpose tool for filtering event files and generating images, spectra, and light curves.

Download as part of HEAsoft.

Users' Guide v3.0: Available online and as pdf (275K).

As of HEASoft Version 6.37, xselect supports extraction of data products from the following missions: ASCA, ASTRO-E2, ASTROSAT, BBXRT, BurstCube, CALET, Chandra (under its pre-launch name AXAF), EINSTEIN, EXOSAT, HALOSAT, Hitomi (ASTRO-H), INTEGRAL, IXPE, MAXI, NICER, NuSTAR, ROSAT, BeppoSAX (SAX), SPECTRUM-RG, Suzaku, Swift, XL-Calibur, XMM-Newton, XRISM, and XTE.