Acronym List

The following is a list of acronyms and abbreviations used in the MAST web pages. Where appropriate the mission or project using the item is also listed.

ACS - (HST) - Advanced Camera for Surveys
ADC - Astronomical Data Center (NASA/GSFC)
ADC - (EUVE) - Analog-to-Digital Converter
ADCCC - Astrophysics Data Centers Coordination Council
ADF - Astrophyics Data Facility (NASA/GSFC)
ADS - Astrophysics Data System
ASCII - American Standard Code for Information Interchange
BCKGRD - (IUE) - High-Dispersion Background Determination Module
BBXRT - Broad Band X-Ray Telescope
BEFS - (ORFEUS) - Berkeley Extreme & Far-Ultraviolet Spectrograph (BEFS)
CADC - Canadian Astronomy Data Centre
CALUV - (IUE) - Ultraviolet Flood Lamp
C/DH - (EUVE) Command and Data Handler
CDI - (IUE) - Core Data Item
CDP - Command and Data Processor
CDS - Astronomical Data Center of Strasbourg
CEA - Center for Extreme Ultraviolet Astrophysics (Berkeley)
CHIPS - Cosmic Hot Interstellar Plasma Spectrometer
COSTAR - (HST) - Corrective Optics Space Telescope Axial Replacement
CRHI - (IUE) - Cosmic Ray Image Extension to the SIHI (NEWSIPS)
CROSS-CORR - (IUE) - Cross-Correlation Module
DADS - (HST) - Data Archiving and Distribution System
DCG - (IUE) - Data Coordination Group
DFFS - (EUVE) - Digital Fine Sun Sensor
DMU - (IUE) - Data Multiplexer Unit
DN - (IUE) - Data Number (pixel intensity from the raw image)
DS/S - (EUVE) - Deep Survey/Spectromenter
DSS - (HST) - Digitized Sky Survey
EA/S - (EUVE) - Effective Area
EBCDIC - Extended Binary Coded Decimal Interchange Code
EGO - EUVE Guest Observer
ELBL - (IUE) - Extended Line-by-Line Image (IUESIPS)
EP - (EUVE) - Explorer Platform
ESA - European Space Agency
ESOC - EUVE Science Operations Center
EXTRACT - (IUE) - High-Dispersion Boxcar Extraction Module
EUVE - Extreme Ultraviolet Explorer
FADC - (IUE) - Final Archive Definition Committee
FES - (IUE) - Fine Error Sensor
FGS - (HST) - Fine Guidance Sensor
FHST - (EUVE) - Fixed Head Star Tracker
FIRST - Faint Images of the Radio Sky at Twenty-Centimeters
FITS - Flexible Image Transport System
FN - Flux Number (pixel intensity from the photometrically corrected image)
FOC - (HST) - Faint Object Camera
FOS - (HST) - Faint Object Spectrograph
FOT - (EUVE) - Flight Operations Team (NASA)
FPM - (IUE) - Flux Particle Monitor
FTP - File Transfer Protocol
FUSE - Far Ultraviolet Spectroscopic Explorer
FUV - (UIT) - Far Ultraviolet detector
- (ORFEUS) - Far Ultraviolet Echelle Spectrograph (referred to within
MAST as the Tübingen Ultraviolet Echelle Spectrometer (TUES))
FWHM - Full Width at Half Maximum
GALEX - Galaxy Evolution Explorer
GEOM - (IUE) - Geometric Correction Module
GHRS - (HST) - Goddard High Resolution Spectrograph
GMT - Greenwich Mean Time
GO - (IUE) - Guest Observer
GSFC - Goddard Space Flight Center; Greenbelt, Maryland
HDA - (HST) - Hubble Data Archive
HEASARC - High Energy Astrophysics Science Archive Research Center
HDF - (HST) - Hubble Deep Field
HDF-S - (HST) - Hubble Deep Field South
HEW - (EUVE) - Half Energy Width
HDU - (IUE) - Header and Data Unit
HSP - (HST) - High Speed Photometer
HST - Hubble Space Telescope
HUT - Hopkins Ultraviolet Telescope
HW - (WUPPE) - Halfwave polarimeter data
IDL - Interactive Data Language (licensed software by Research Systems,Inc.)
IMAPS - (ORFEUS) - Interstellar Absorption Medium Profile Spectrometer
INES - (IUE) - IUE Newly Extracted Spectra
IOR - (IUE) - Interorder Overlap Region
IRAF - Image Reduction and Analysis Facility
IRU - (EUVE) - Inertial Reference Unit
ISM - Interstellar Medium
ISW - (EUVE) Instrument Software
ITF - Intensity Transfer Function
IUE - International Ultraviolet Explorer
IUEDAC - IUE Data Analysis Center
IUEOCC - IUE Operations Control Center
IUESIPS - IUE Spectral Image Processing System
IUESOC - IUE Science Operations Center
LASP - Laboratory for Astronomy and Solar Physics at GSFC
LF - (IUE) - Linearized-Flag Image (NEWSIPS)
LFHI - (IUE) - Flag Image Extension to the LIHI (NEWSIPS)
LFLO - (IUE) - Flag Image Extension to the LILO (NEWSIPS)
LI - (IUE) - Linearized Image (NEWSIPS)
LIHI - (IUE) - High-Dispersion Linearized Image FITS File (NEWSIPS)
LILO - (IUE) - Low-Dispersion Linearized Image FITS File (NEWSIPS)
LWLA - (IUE) - Long Wavelength Large Aperture
LWP - (IUE) - Long Wavelength Prime Camera
LWR - (IUE) - Long Wavelength Redundant Camera
LWSA - (IUE) - Long Wavelength Small Aperture
MACS - (EUVE) - Modular Attitude Control System
MAST - Multimission Archive at Space Telescope
MCP - (EUVE) - Microchannel Plate
MDF - (EUVE) - Minimum Detectable Flux
MDS - (HST) - Medium Deep Survey
MIDAS
MMF - (IUE) - Missing Minor Frame
MMS - (EUVE) - Multi-Mission Spacecraft
MPS - (EUVE) - Modular Power Subsystem
MX - (IUE) - Merged Extracted Image (NEWSIPS)
MXHI - (IUE) - High-Dispersion Merged Extracted Image FITS File (NEWSIPS)
MXLO - (IUE) - Low-Dispersion Merged Extracted Image FITS File (NEWSIPS)
NASA - National Aeronautics and Space Administration
NASCOM - NASA Astronomical Satellite Communications
NDADS - NSSDC Data Archive and Distribution System
NED - NASA/IPAC Extragalactic Database
NEWSIPS - (IUE) - New Spectral Image Processing System
NICMOS - (HST) - Near Infrared Camera and Multi-Object Spectrometer
NIST - National Institute of Standards and Technology
NOST - NASA/Science Office of Standards and Technology
NSSDC - National Space Science Data Center (GSFC/NASA)
NUV - (UIT) - Near Ultraviolet Detector
OBC - On-board Computer (IUE)
ORDERG - (IUE) - High-Dispersion Order Registration Module (part of RAW_SCREEN)
ORFEUS - Orbiting and Retrievable Far and Extreme Ultraviolet Spectrograph
PED - (EUVE) - Platform Equipment Deck
PEP - (Copernicus) - Princeton Experiment Package
PHOTOM - (IUE) - Photometric Correction Module
PI - Primary Investigator
PIXEL - Picture Element
POCC - (EUVE) - Payload Operations and Command Center
POT - (IUE) - Preplanned Observation Tape
PPARC - Particle Physics and Astronomy Research Council
PSF - Point Spread Function
PT-NE - Platinum-Neon
QPOE - (EUVE) - Quick Position Oriented Event
RA - (IUE) - Resident Astronomer
RAL - Rutherford Appleton Lab
RAW_SCREEN - (IUE) - Raw Image Screening Module
RDAF - (IUE) - Regional Data Analysis Center
RI - (IUE) - Raw Image (NEWSIPS)
RIF - (EUVE) - Relay Interface
RIHI - (IUE) - High-Dispersion Raw Image FITS File (NEWSIPS)
RILO - (IUE) - Low-Dispersion Raw Image FITS File (NEWSIPS)
ROLO - (IUE) - Original Raw Image Extension to the RILO (NEWSIPS)
ROSAT - Röntgensatellit
SAA - South Atlantic (Magnetic) Anomaly
SAG - (EUVE) - Space Astrophysics Group
SCRIPTS - (IUE) - Observing Specifications Log
SDSS - Sloan Digital Sky Survey
SEC - (IUE) - Secondary Electron Conduction
SERC - Science and Engineering Research Council (U.K.) (This council was incorporated as part of PPARC)
SET - (Copernicus) - Spacecraft Equivalent Time (15.72887 seconds)
SF - (IUE) - Resampled Nu-Flag Image (NEWSIPS)
SFHI - (IUE) - Nu-Flag Image Extension to the SIHI (NEWSIPS)
SFLO - (IUE) - Nu-Flag Image Extension to the SILO (NEWSIPS)
SI - (IUE) - Resampled Image (NEWSIPS)
SIHI - (IUE) - High-Dispersion Resampled Image FITS File (NEWSIPS)
SILO - (IUE) - Low-Dispersion Resampled Image FITS File (NEWSIPS)
SIMBAD - Set of Identifications, Measurements, and Bibliography for Astronomical Data
S/N - Signal-to-Noise Ratio
SSDS - Space Science Data System
STIS - (HST) - Space Telescope Imaging Spectrograph
STScI - Space Telescope Science Institute
STSDAS - Science Telescope Science Data Analysis System
SWET - (IUE) - Signal Weighted Extraction Technique Module
SWLA - (IUE) - Short Wavelength Large Aperture
SWP - (IUE) - Short Wavelength Prime Camera
SWR - (IUE) - Short Wavelength Redundant Camera
SWSA - (IUE) - Short Wavelength Small Aperture
TDRSS - Tracking Data Relay Satellite System
TFLOOD - (IUE) - Tungsten Flood Lamp
THDA - (IUE) - Camera Head Amplifier Temperature
TIF - (EUVE) - Telescope Interface
TM - (EUVE) - Telemetry
TO - (IUE) - Telescope Operator
TOO - (EUVE) - Targets of Opportunity
TTDC - (IUE) - Mean Dispersion Constant Correction Module
TUES - (ORFEUS) - Tuebingen Ultraviolet Echelle Spectrograph
UIT - Ultraviolet Imaging Telescope
ULDA - (IUE) - Uniform Low-Dispersion Archive
UT - Universal Time
UV - Ultraviolet
UVC - (IUE) - Ultraviolet to Visible Converter
UVFLOOD - (IUE) - Ultraviolet Flood Lamp
VD - (IUE) - Vector Displacements
VDHI - (IUE) - High-Dispersion Vector Displacement Image FITS File (NEWSIPS)
VDLO - (IUE) - Low-Dispersion Vector Displacement Image FITS File (NEWSIPS)
VICAR - (IUE) - Video Image Communication and Retrieval
VILSPA - Villafranca del Castillo, Spain - (European Ground Station for IUE)
VMS - (IUE) - Virtual Management System
WAVECAL - Wavelength Calibration
WF/PC-1 - (HST) - Wide Field and Planetary Camera 1
WFPC-2 - (HST) - Wide Field and Planetary Camera 2
WLHI - (IUE) - Wavelength Binary Table Extension to the SIHI (NEWSIPS)
WUPPE - Wisconsin Ultraviolet Photo-Polarimeter Experiment
XC - (IUE) - Cross-Correlation Coefficients
XCHI - (IUE) - Cross-Correlation Binary Table Extension to the VDHI (NEWSIPS)
XCLO - (IUE) - Cross-Correlation Binary Table Extension to the VDLO (NEWSIPS)