[1]Note that due to a typographical error there was a factor 2 missing from the following equation in all versions of this memo prior to 1992 Oct 05 (the software used to generate the figures was, however, correct). We thank Jack Hughes for pointing this out.
HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public

Last modified: Monday, 19-Jun-2006 11:40:52 EDT