NOTICE: This Legacy journal article was published in Volume 2, November 1992, and has not been updated since publication. Please use the search facility above to find regularly-updated information about this topic elsewhere on the HEASARC site.

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Glossary

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ADS             Astrophysics Data System
AXAF            Advanced X-ray Astrophysics Facility
BBXRT           Broad Band X-Ray Telescope
CMA             Channel Multiplier Array (EXOSAT)
EXOSAT          European X-ray Observatory Satellite
FITS            Flexible Image Transport System
GIS             Gas Imaging Spectrometer
GOF             Guest Observer Facility
GRO             Gamma Ray Observatory
HEAO            High Energy Astrophysics Observatory
HEASARC         High Energy Astrophysics Science Archive Research Center
HRI             High-Resolution Imager
HUG             HEASARC Users Group
IDL             Interactive Data Language
IRAF            NOAO's Image Reduction and Analysis Facility
IUE             International Ultraviolet Explorer
LE              Low Energy (EXOSAT)
LHEA            Laboratory for High Energy Astrophysics
ME              Medium Energy (EXOSAT)
MPC             Monitor Proportional Counter
NSSDC           National Space Science Data Center
OGIP            Office for Guest Investigator Programs
OSO             Orbiting Solar Observatory
PSPC            Position-Sensitive Proportional Counter
ROSAT           Röntgensatellit
SIS             Solid-state Imaging Spectrometer
SSS             Solid State Spectrometer
XANADU          Analysis system containing XSPEC, XRONOS, XIMAGE and QDP
XTE             X-ray Timing Explorer

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