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.


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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