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Acronyms and Abbreviations


ADC Analog-to-Digital Converter
AIT Astronomisches Institut der Universität Tübingen
AMCE Attitude Measurement and Control Electronics
AMCS Attitude Measurement and Control System
AO Announcement of Opportunity
AP After-Pulse
ARMS Automated Retrieval Mail System
ASTERIX U.K. X-ray data analysis package running within
the Starlink ADAM/ICL environment
BMFT Bundesministerium für Forschung und Technologie
CCD Charge Coupled Device
CDHS Command and Data Handling System
CEM Channel Electron Multiplier
CSS Coarse Sun Sensor
DASA Deutsche Aerospace Aktiengesellschaft
DRF clock drift
DRM Detector Response Matrix
ECF Energy Conversion Factor
ESA European Space Agency
EUV Extreme Ultraviolet
EVT EVent Time
EXSAS Extended Scientific Analysis System
FITS Flexible Image Transport System
FOV field of view
FTP File Transfer Protocol
FWHM Full Width Half Maximum
Ger. Germany or German
GOF Guest Observer Facility
GSFC Goddard Space Flight Center
GSOC German Space Operations Center (at Oberpfaffenhofen, Ger.)
GTI Good Time Interval
HEASARC High Energy Astrophysics Science Archive Research Center (at NASA/GSFC)
HEW Half Energy Width
HRI High-Resolution Imager
HST Hubble Space Telescope
HV High Voltage

ID IDentification
IPC Imaging Proportional Counter
IR infra red
IUC International User's Committee
LHEA Laboratory for High Energy Astrophysics (at NASA/GSFC)
LTE Long-Term Enhancement
MCP MicroChannel Plate
MDR Master Data Record (raw data from GSOC)
MIDAS Munich Image Data Analysis System
MIPS Mission Information and Planing System
MJD Modified Julian Day
MPE Max-Planck-Institut für Extraterrestrische Physik
MTL Mission Time Line
NASA National Aeronautics and Space Administration
NEP North Ecliptic Pole
NS North/South
OBI OBservation Interval
OBC On-Board Computer
OGIP Office of Guest Investigator Programs (at NASA/GSFC)
OMAS Observation MAster data Set
PANTER PAntolsky Neuried TEstanlage R"ontgen
PET Photon Event Table
PHA Pulse Height Amplitude
PI Principle Investigator, or Pulse Invariant
PROS Post Reduction Off-line Software
PSF point spread function
PSPC Position-Sensitive Proportional Counter
PVC Performance, Verification, and Calibration (phase)
QE Quantum Efficiency
RAL Rutherford Appleton Laboratory
RDA ROSAT Data Archive
RDF Rationalized Data File
RMS Root Mean Square
ROE Royal Observatory of Edingborough
ROR ROSAT Observation Request
ROSAT ROentgen-SATellit
RSDC ROSAT Scientific Data Center
RW Reaction Wheel
SAA South Atlantic Anomaly
SAAD South Atlantic Anomaly Detectors
SAO Smithsonian Astrophysical Observatory
SASS Standard Analysis Processing System
S/C SpaceCraft
SERC Science and Engineering Research Council (U.K.)
SEQ Sequnce

SIMBAD Set of Identifications, Measurements, & Bibliography for Astronomical Data
S/N Signal-to-Noise
STC Star Tracker (XRT)
STE Short-Term Enhancement
S/W SoftWare
TBD to be determined
TEL Telemetry
UKRDAC U.K. ROSAT Data Archive Center
URL Uniform Resource Locator
USRDA U.S. ROSAT Data Archive
USRSDC U.S. ROSAT Scientific Data Center
USRPDA U.S. ROSAT Public Data Archive
UT Universal Time
UTC Universal Time Clock
UV Ultraviolet
V&V Verification and Validation (of SASS products)
WFC Wide-Field Camera
WWW World-Wide Web
XMA XRT Mirror Assembly
XRB X-ray Background
XRT X-ray Telescope
XUV Extreme Ultraviolet
ZDE Zentrale Daten Einheit

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Next: Introduction Up: ROSAT User's Handbook Previous: List of Tables

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