: Two Micron All Sky Survey.
: –2.5 log (Fν
) – 48.60 where Fν
is the flux from the source in erg cm–2
: Correction to ABMAG to account for the fact that the source spectrum is not constant in Fν (ABMAG=V+ABν).
: Advanced Camera for Surveys.
: Repaired ACS from SM4.
: Analog to digital converter.
: Astronomer's Proposal Tool.
: Application-Specific Integrated Circuit in CEB-R.
AstroConda: Software package and management system that provides the tools and utilities required to process and analyze HST data.
: Spectroscopic Data Extraction Software.
Bright Object Protection.
: Bright Object Tools for SBC proposing.
ACS calibration pipeline software.
: Charge Coupled Device. Solid-state, light detecting device.
: Correlated Double Sampling mode in CEB-R (dual-slope integration or clamp-and-sample).
: CCD Electronics Box.
: New CCD Electronics Box installed during SM4.
: Color Magnitude Diagram.
Division of a CCD exposure into shorter exposures to be used for cosmic ray rejection.
: Contact Scientist for a HST
Charge transfer efficiency.
: Continuous viewing zone.
: Dual-Slope Integrator.
: Exposure Time Calculator. ETCs are Web-based tools which can be accessed through the ACS webpages.
Early release observations.
: Fine Guidance Sensors.
: Faint Object Spectrograph.
: File Transfer Protocol. Basic tool used to retrieve files from a remote system. Ask your system manager for information about using FTP.
: Far ultraviolet (~912 to 2000 Å).
: Full width at half maximum.
: Galaxy Evolution Explorer.
: Goddard High-Resolution Spectrograph.
: Guide Star Catalog II.
: Guaranteed Time Observer.
Facility for getting help on HST
related topics via e-mail. email@example.com
: High Resolution Channel.
: Hubble Space Telescope.
: Investigation Definition Team.
: Image Reduction and Analysis System. The environment in which STSDAS operates.
: Instrument Science Report
: International Ultraviolet Explorer Satellite
: Low Frequency Variations Flats.
: Large Magellanic Cloud.
LVPS-R: replacement Low Voltage Power Supply.
: Multi-Anode Microchannel Array.
: STScI Multi-mission Archive.
: Multi Pinned Phased, a CCD mode that reduces dark current rate.
: Near-Infrared Camera and Multi-Object Spectrograph.
: Near ultraviolet (~2000 to 4000 Å).
: Optical Telescope Assembly.
: 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.
: Publications of the Astronomical Society of the Pacific.
Phase I proposal:
A proposal for observing time on HST.
Phase II program
: An approved HST
program; includes precise detail of how program is to be executed.
: Principal investigator.
: pixel-to-pixel high-frequency flats.
: POSition TARGet is used to move the sky in the FOV of the camera.
: Pixel Response Function.
: Point-spread function.
: version of IRAF implemented in the Python language.
pysynphot: simulates photometric data and spectra as they are observed with HST.
: Quantum Efficiency Hysteresis.
: 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.
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.
data file containing ACS parameters or calibration information which is used by the calibration pipeline.
: Responsive Quantum Efficiency.
South Atlantic anomaly.
: Solar-Blind Channel.
: Sloan Digital Sky Survey.
: System Image, Digitizing, Enhancing, Controlling, And Retrieving.
: Scientific Image Technologies; company that designed the ACS CCDs.
: Slitless Spectroscopy Simulator.
: Servicing Mission 4 to HST
in May 2009.
: Servicing Mission Observatory Verification.
: signal-to-noise ratio.
: Short exposures taken during unused blocks of telescope time.
: Solid state data recorders.
: Space Telescope European Coordinating Facility.
Space Telescope Analysis Newsletter.
: Space Telescope Imaging Spectrograph.
: Space Telescope Science Institute.
: Space Telescope Science Data Analysis System. The complete suite of IRAF data analysis and calibration routines used to process HST
: Telescope Allocation Committee.
: Thermal Electric Coolers.
: PSF simulation software developed by John Krist & Richard Hook.
: Technical Instrument Report.
: Uniform resource locator. Address for WWW.
: Ultraviolet and Visual (CCD channel of WFC3).
: Wide Field Camera 3, new instrument installed during SM4.
: Wide Field Planetary Camera-2. Replacement for WF/PC installed during first servicing mission of December 1993.
: World Wide Web. Hypertext-oriented method for finding and retrieving information over the Internet.