NOTICE: This Legacy journal article was published in Volume 1, May 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.

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 package containing XSPEC, XRONOS, XIMAGE and QDP

XTE             X-ray Timing Explorer

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