Appendix E: Glossary of Acronymsand Abbreviations ACQ Acquisition ACS Advanced Camera for Surveys APT Astronomer’s Proposal Tool BOP Bright Object Protection CADC Canadian Astronomy Data Centre CCD Charge-Coupled Device COS Cosmic Origins Spectrograph COSTAR Corrective Optics Space Telescope Axial Replacement CTE Charge Transfer Efficiency CVZ Continuous Viewing Zone DADS Data Archive and Distribution System DD Director’s Discretionary DQE Detector Quantum Efficiency DSS Digitized Sky Survey ESA European Space Agency ETC Exposure Time Calculator FGS Fine Guidance Sensor(s) FITS Flexible Image Transport System FOC Faint Object Camera FOS Faint Object Spectrograph FOV Field of View FUV Far Ultraviolet GHRS Goddard High Resolution Spectrograph GO General Observer GSC Guide Star Catalog GSFC Goddard Space Flight Center GTO Guaranteed Time Observer HLA Hubble Legacy Archive HLSP High Level Science Products HSP High Speed Photometer HST Hubble Space Telescope HTML Hyper Text Markup Language IFOV Instantaneous field of view IRAF Image Reduction and Analysis Facility ISR Instrument Science Report LRF Linear Ramp Filter MAMA Multi-Anode Microchannel Array mas milli arcsecond MAST Multimission Archive at STScI NASA National Aeronautics and Space Administration NED NASA/IPAC Extragalactic Database NCS NICMOS Cooling System NICMOS Near Infrared Camera and Multi-Object Spectrometer NOAO National Optical Astronomy Observatories NUV Near Ultraviolet OMS Observatory Monitoring System OTA Optical Telescope Assembly OTFR On The Fly Reprocessing PAM Pupil Alignment Mechanism PC Planetary Camera PCS Pointing Control System PDF Portable Document Format PI Principal Investigator POS Position Mode PSF Point Spread Function SAA South Atlantic Anomaly SAM Small Angle Maneuver SBC Solar Blind Channel SI Scientific Instrument SIMBAD Set of Identifications, Measurements and Bibliography for Astronomical Data SM Servicing Mission SSM Support Systems Module SSR Solid State Recorder ST-ECF Space Telescope - European Coordinating Facility STIS Space Telescope Imaging Spectrograph STOCC Space Telescope Operations Control Center STScI Space Telescope Science Institute STSDAS Space Telescope Science Data Analysis Software TDRSS Tracking and Data Relay Satellite System TRANS Transfer Mode UIR User Information Report UV Ultraviolet VIK Voltage/Temperature Improvement Kit WFC Wide Field Camera (on WFPC2) or Wide Field Channel (on ACS) WFC3 Wide Field Camera 3 WF/PC Wide Field and Planetary Camera 1 WFPC2 Wide Field and Planetary Camera 2