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Дата изменения: Tue Nov 18 00:20:37 1997 Дата индексирования: Sat Dec 22 13:25:53 2007 Кодировка: Поисковые слова: storm |
A/D or ADC: Analog to digital converter.
AEDP: Astrometry and Engineering Data Processing.
CADC: Canadian Astronomical Data Center.
CCD: Charge-coupled device. Solid-state, light detecting device.
CDBS: Calibration Data Base. System for maintaining reference files and tables used to calibrate HST observational datasets.
C&DH: Control and Data Handling.
CL: Command language. The IRAF system-level prompt.
COSTAR: Corrective Optics Space Telescope Axial Replacement.
CTE: Charge transfer efficiency.
CVC: Current to voltage converter. Used with HSP.
DADS: Data Archive and Distribution System.
DAT: Digital audio tape.
DC: Dark current.
DMF: Data Management Facility. Used for archiving HST data.
DN: Digital number.
DQ: Data quality.
DQE: Detector quantum efficiency.
DQF: Data quality file.
EBS: Electron Bombarded Silicon.
EED: Extracted engineering data.
ESA: European Space Agency.
FDA: Field Divider Assembly (NICMOS).
FES: Fine error signal (used with FGS).
FFT: Fast Fourier transform.
FGE: Fine Guidance Electronics. (Used with FGS).
FGS: Fine Guidance Sensors.
FITS: Flexible Image Transport System. A generic IEEE- and NASA-defined standard used for storing image data.
FOC: Faint Object Camera.
FOM: Field Offset Mechanism.
FOS: Faint Object Spectrograph.
FOV: Field of view.
FTP: File Transfer Protocol. Basic tool used to retrieve files from a remote system. Ask your system manager for information about using FTP.
FWHM: Full width at half maximum.
GCI: Geocentric inertial.
GEIS: Generic Edited Information Set. The multigroup format used by STSDAS for storing HST image data.
GHRS: Goddard High-Resolution Spectrograph.
GIF: Graphic Interchange Format. Data format developed by -CompuServe for storing and transporting image data. Supported by Mosaic and xv for use over Internet.
GIM: Geomagnetically-induced motion problem. Formerly a correction in the FOS calibration pipeline, now applied on the spacecraft.
GO: General Observer.
Gopher: Hypertext-oriented software developed at University of Minnesota for retrieving information through the Internet.
GPB: Group parameter block.
GSC: Guide Star Catalog.
GTI: Good time interval.
GTO: Guaranteed Time Observer.
HDU: Header Data Unit.
HSP: High-Speed Photometer.
HST: Hubble Space Telescope.
HTML: Hypertext Markup Language.
Hz: Hertz. Cycle per second.
ICD: Interface control document. Defines data structures used between software or systems to ensure compatibility.
ICF: Intrinsic correlation function.
IDL: Interactive Data Language.
IDT: Investigation Development Team.
IFOV: Instantaneous field of view.
IFT: Inverse Fourier transform.
IGI: Interactive Graphics Interpreter. Graphics program in STSDAS.
imset: Image set (STIS and NICMOS).
IPPPSSOOT: HST file naming convention to uniquely identify files (described in Appendix B).
IR: Infrared.
IRAF: Image Reduction and Analysis System. The system on which STSDAS is built.
IUE: International Ultraviolet Explorer.
JPL: Jet Propulsion Laboratory, located at California Institute of Technology in Pasadena. Home of WF/PC team.
K: Degree Kelvin.
LOS: Line of sight.
LSA: Large science aperture. One of two apertures on GHRS.
LVPS: Low-voltage power supply.
mas: Milliarcsecond.
MEM: Maximum Entropy Method. Algorithm for restoring images.
MIE: MAMA Interface Electronics.
MIF: Multiple Initial and Final (readouts, NICMOS).
MJD: Modified Julian date.
MOSS: Moving Object Support System.
ND: Neutral density.
NICMOS: Near Infrared Camera and Multi-Object Spectrometer.
NOAO: National Optical Astronomy Observatories.
OCX: Observer comments file from OSS. Contains updated mission information obtained when the observation is taken.
OFAD: Optical field angle distortion.
OIF: Old IRAF (data format).
OMS: Observatory Monitoring System.
OPUS: OSS and PODPS Unified Systems.
OTA: Optical telescope assembly.
OV: Orbital verification. Process of checking out equipment on HST.
PC: Planetary Camera; part of WF/PC.
PCS: Pointing Control System.
PDA: Photon Detector Assembly (in FOC).
PDB: Project Data Base.
PDQ: PODPS data Quality file. Contains predicted and actual observation parameters.
PI: Principal investigator.
pipe: To use the output from one task or program as the input to another task or program. The output of a STSDAS or IRAF task can be piped to another task.
PMT: Photomultiplier tube.
pset: Parameter set (IRAF).
PSF: Point spread function.
RA: Right ascension.
R-L: Richardson-Lucy. Algorithm for restoring images.
rms: Root mean square.
RSDP: Routine Science Data Processing. The basic calibration (pipeline) system used for processing all HST observation datasets.
RTB: Return-to-brightest. Target acquisition mode for GHRS.
SAA: South Atlantic Anomaly.
SDF: Science Data Formatter.
SHL: Science header line.
SHP: Standard header packet. File containing spacecraft information from time of observation.
SM97: 1997 Servicing Mission.
SMOV: Servicing Mission Orbital Verification.
S/N: Signal-to-noise ratio.
SOGS: Science Operations Ground System.
SSA: Small science aperture. One of two apertures on GHRS; the other is LSA.
ST-ECF: Space Telescope European Coordinating Facility.
STAN: Space Telescope Analysis Newsletter.
STARCAT: System used for retrieving archived HST data. To be replaced by StarView in 1994.
STEIS: Space Telescope Electronic Information System. The anonymous FTP host from which information, software, documentation, and other resources pertaining to the HST can be obtained.
STIS: Space Telescope Imaging Spectrograph.
STL: Science trailer line.
STScI: Space Telescope Science Institute.
STSDAS: Space Telescope Science Data Analysis System. The complete suite of data analysis and calibration routines used to process HST data.
SV: Science verification. Process of taking observations that can be used for HST instrument calibration.
TEC: Thermal electric cooler. Part of WF/PC.
TF: Transfer function.
TFMRP: Transfer Function Mode Reduction Package. Used with respect to FGS.
TIFF: Tagged Image File Format. Method of storing images, usually from a scanner.
TIM: Telescope Image Modeling. Software used to generate PSF.
UDL: Unique data log. File containing instrument command settings.
URL: Uniform resource locator. Address for WWW.
UT: Universal time.
UV: Ultraviolet.
VPU: Video processing unit.
WAIS: Wide-Area Information Server. Method of locating information on a network using indexes to files.
WCS: World Coordinate System.
WFC: Wide Field Camera. One of the two cameras in WF/PC.
WF/PC: Wide Field/Planetary Camera.
WFPC2: Wide Field Planetary Camera-2. Replacement for WF/PC installed during first servicing mission of December 1993.
world coordinates (WC): The coordinate system naturally applying to the data, pixels or wavelength, for example.
WWW: World Wide Web. Hypertext-oriented method for finding and retrieving information over the Internet.
ZD: Zenith distance.