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

[1] Most OGIP Calibration Memos of general community interest will eventually appear as articles in Legacy, but are also available on request from Pat Tyler, Code 668, NASA/GSFC, Greenbelt, MD 20771, USA

[2]Though XSPEC Versions 8.0 onwards also allow input of FITS PHA files which do not conform to the standard described here.