: 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
: 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)
: 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 Web pages.
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
: 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
: 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
STSDAS synthetic photometry (IRAF) software package
: Telescope Allocation Committee
: Thermal Electric Coolers
: PSF simulation software developed by John Krist &
: 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.