"The OGIP Spectral File Format (Addendum)"

Desc. Addendum to the memo OGIP/92-007 listing all the changes which have been made to the OGIP PHA file format since OGIP/92-007 was published in Legacy, 2, 65.

Code: OGIP/92-007a

Authors: George and Arnaud

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Maintained: by the OFWG