| About ROSAT |
ROSAT Home Page | ROSAT Images |
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| AMCS | Attitude Measurement & Control System |
| AO | Announcement of Opportunity |
| BMFT | Bundesministerium für Forschung und Technologie |
| CEM | Channel Electron Multiplier |
| CDHS | Command & Data Handling System |
| FI | Focal Plane Instrumentation |
| FOV | Field Of View |
| FWHM | Full Width Half Maximum |
| GOF | Guest Observer Facility |
| GSFC | Goddard Space Flight Center |
| GSOC | German Space Operations Center (Weilheim, Germany) |
| HEW | Half Energy Width |
| HRI | High Resolution Imager |
| HV | High Voltage |
| IUC | International User's Committee |
| MCP | Microchannel Plate |
| MJD | Modified Julian Day |
| MPE | Max-Planck-Institut (für Extraterrestrische Physik) |
| NASA | National Aeronautics and Space Administration |
| PI | Principle Investigator, or Pulse Invariant |
| PSPC | Position Sensitive Proportional Counter |
| ROR | ROSAT Observation Request |
| SAA | South Atlantic Anomaly |
| SAO | Smithsonian Astrophysical Observatory |
| SERC | Science and Engineering Research Council (UK) |
| UT | Universal Time |
| WFC | Wide-Field Camera |
| WFCC | Wide Field Camera Consortium |
| XMA | XRT Mirror Assembly |
| XRT | X-ray Telescope |
| XUV | Extreme Ultraviolet |