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

set mission

To change between missions. Currently supported missions are ASCA (the default), ASTRO-E, Chandra, BBXRT, EINSTEIN, EXOSAT, ROSAT, SAX, XMM, and SPECTRUM-RG. Xselect will automatically set the appropriate mission when reading in an event file.