| About ROSAT |
ROSAT Home Page | ROSAT Images |
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| 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 |