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ACS Instrument Handbook Cycle 19 |
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2MASS: Two Micron All Sky Survey.ABν: Correction to ABMAG to account for the fact that the source spectrum is not constant in Fν (ABMAG=V+ABν)ACS: Advanced Camera for SurveysACS-R: Repaired ACS from SM4ADC: Analog to digital converterAladin: Interactive sky atlas (http://aladin.u-strasbg.fr)APT: Astronomer’s Proposal ToolASIC: Application-Specific Integrated Circuit in CEB-RaXe: Spectroscopic Data Extraction SoftwareBOP: Bright Object ProtectionBOT: Bright Object Tools for SBC proposingcalacs: ACS calibration pipeline softwareCCD: Charge Coupled Device. Solid-state, light detecting deviceCDS: Correlated Double Sampling mode in CEB-R (dual-slope integration or clamp-and-sample)CEB: CCD Electronics BoxCEB-R: New CCD Electronics Box installed during SM4CMD: Color Magnitude DiagramCP: Call for ProposalsCR: Cosmic rayCR-SPLIT: Division of a CCD exposure into shorter exposures to be used for cosmic ray rejectionCS: Contact Scientist for a HST proposalCTE: Charge transfer efficiencyCVZ: Continuous viewing zoneDN: Data numberDSI: Dual-Slope IntegratorDSS: Digital Sky SurveyETC: Exposure Time Calculator. ETCs are Web-based tools which can be accessed through the ACS Web pages.ERO: Early release observationsFGS: Fine Guidance SensorsFOS: Faint Object SpectrographFOV: Field of viewFTP: File Transfer Protocol. Basic tool used to retrieve files from a remote system. Ask your system manager for information about using FTP.FUV: Far ultraviolet (~912 to 2000 е)FWHM: Full width at half maximumGALEX: Galaxy Evolution ExplorerGHRS: Goddard High-Resolution SpectrographGO: General ObserverGSC: Guide Star CatalogGSC2: Guide Star Catalog IIGTO: Guaranteed Time ObserverHRC: High Resolution ChannelHST: Hubble Space TelescopeIDT: Investigation Definition TeamIR: InfraredIRAF: Image Reduction and Analysis System. The environment in which STSDAS operates.ISR: Instrument Science ReportIUE: International Ultraviolet Explorer SatelliteK: Degree KelvinL-flats: Low Frequency Variations FlatsLMC: Large Magellanic CloudLVPS-R: replacement Low Voltage Power SupplyMAMA: Multi-Anode Microchannel ArrayMAST: STScI Multi-mission ArchiveMCP: Microchannel PlateMPP: Multi Pinned Phased, a CCD mode that reduces dark current rateNICMOS: Near-Infrared Camera and Multi-Object SpectrographNIR: Near infraredNUV: Near ultraviolet (~2000 to 4000 е)OTA: Optical Telescope AssemblyOTFR: On-the-fly re-calibration pipeline that has the ability to select the most up-to-date reference files for science images at the time of request.PASP: Publications of the Astronomical Society of the PacificPC: Program CoordinatorPhase I proposal: A proposal for observing time on HSTPI: Principal investigatorP-flats: pixel-to-pixel high-frequency flatsPOS TARG: POSition TARGet is used to move the sky in the FOV of the cameraPRF: Pixel Response FunctionPSF: Point-spread function.PyRAF: version of IRAF implemented in the Python languageQE: Quantum EfficiencyQEH: Quantum Efficiency HysteresisQuadrant: Section of detector that is read-out by an amplifier. For WFC, there are 4 amplifiers, two for each detector, so each amplifier reads one 2048 x 2048 pixel quadrant.RA: Right AscensionRAS: HST simulator used in ground tests to accurately simulate the full field OTA illumination, and is used to calibrate HST instruments. Also know as RAS/HOMS, the Refractive Aberrated Simulator/Hubble Opto-Mechanical Simulator.reference file: data file containing ACS parameters or calibration information which is used by the calibration pipelinerms: Root mean squareRQE: Responsive Quantum EfficiencySAA: South Atlantic anomalySBC: Solar-Blind ChannelSDSS: Sloan Digital Sky SurveySIDECAR: System Image, Digitizing, Enhancing, Controlling, And RetrievingSITe: Scientific Image Technologies; company that designed the ACS CCDsSLIM: Slitless Spectroscopy SimulatorSM4: Servicing Mission 4 to HST in May 2009SMOV: Servicing Mission Observatory VerificationS/N: signal-to-noise ratioSNAPSHOT: Short exposures taken during unused blocks of telescope time.SSDR: Solid state data recordersST-ECF: Space Telescope European Coordinating FacilitySTAN: Space Telescope Analysis NewsletterSTIS: Space Telescope Imaging SpectrographSTScI: Space Telescope Science InstituteSTSDAS: Space Telescope Science Data Analysis System. The complete suite of IRAF data analysis and calibration routines used to process HST data.TAC: Telescope Allocation CommitteeTECs: Thermal Electric CoolersTiny Tim: PSF simulation software developed by John Krist &
Richard HookTIR: Technical Instrument ReportURL: Uniform resource locator. Address for WWW.UV: UltravioletUVIS: Ultraviolet and Visual (CCD channel of WFC3)WFC: Wide-Field ChannelWFC3: Wide Field Camera 3, new instrument installed during SM4WFPC2: Wide Field Planetary Camera-2. Replacement for WF/PC installed during first servicing mission of December 1993.WWW: World Wide Web. Hypertext-oriented method for finding and retrieving information over the Internet.
Synphot will soon be replaced by the pysynphot package, a significantly improved re-implementation of Synphot written in Python. Please visit the pysynphot Web page at http://stsdas.stsci.edu/pysynphot.