STScI Acronym List (with ST-ECF additions)

Sections

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

A ^SEARCH

Angstrom unit

A ^SEARCH

ampere

AA ^SEARCH

Academic Affairs

AAS ^SEARCH

American Astronomical Society

AB ^SEARCH

Archive Branch (STScI)

ACE ^SEARCH

Actuator Control Electronics

ACK ^SEARCH

acknowldgement message (this is not an acronym)

ACPG ^SEARCH

Astronomical Community Participation Group (STScI)

ACS ^SEARCH

Actuator Control System

A/D ^SEARCH

Analog to Digital

ADC ^SEARCH

Analog to Digital Converter

ADOR ^SEARCH

Astrometry and Design Operations Review

ADP ^SEARCH

Automated Data Processing

AEDP ^SEARCH

Astrometry and Engineering Data Processing

AFC ^SEARCH

Arsenal FC

AGK3 ^SEARCH

Katalog der Astronomischen Gesellschaft 3

AH ^SEARCH

ampere hours

AHU ^SEARCH

Air Handling Unit

AIAA ^SEARCH

American Institute of Aeronautics and Astronautics

AIPS ^SEARCH

Astronomical Image Processing System

AJ ^SEARCH

Astronomical Journal

AMU ^SEARCH

Atomic mass unit

A/N ^SEARCH

alphanumeric

ANSI ^SEARCH

American National Standards Institute

AO ^SEARCH

Announcement of Opportunity

AOC ^SEARCH

Award of contract

AP ^SEARCH

array processor

ApJ ^SEARCH

Astrophysical Journal

APL ^SEARCH

Applied Physics Laboratory (JHU)

APS ^SEARCH

American Physical Society

APSB ^SEARCH

Advance Planning Systems Branch

AR ^SEARCH

Archival Researcher

ASAP ^SEARCH

as soon as possible

ASCII ^SEARCH

American Standard Code for Information Interchange

ASP ^SEARCH

analog signal processor

ASP ^SEARCH

Astronomical Society of the Pacific

AST ^SEARCH

Astrometry (data class)

AST ^SEARCH

Astrometry Science Team

ASW ^SEARCH

address and synchronization word

AT ^SEARCH

acceptance test

ATC ^SEARCH

Absolute Time Command

AU ^SEARCH

astronomical unit

AURA ^SEARCH

Association of Universities for Research in Astronomy, Inc.

AVWG ^SEARCH

Assembly and Verification Working Group

AXAF ^SEARCH

Advanced X-ray Astronomical Facility

Az ^SEARCH

azimuth

B

BAAS ^SEARCH

Bulletin of the American Astronomical Society

BASD ^SEARCH

Ball Aerospace Systems Division

BCD ^SEARCH

binary coded decimal

BDF ^SEARCH

block data format

BDEC ^SEARCH

Bendix Field Engineering Corporation

BER ^SEARCH

bit error rate

BeV ^SEARCH

billion electron volts

B/L ^SEARCH

baseline

BOD ^SEARCH

board of directors

bpi ^SEARCH

bits per 25.4mm

bps ^SEARCH

bits per second

BPSK ^SEARCH

binary phase shift keying

BRAVO ^SEARCH

Back-End Redesign for Added Value for Observers

BTU ^SEARCH

British Thermal Unit

B/W ^SEARCH

black and white

BWI ^SEARCH

Baltimore-Washington International Airport

C

C ^SEARCH

degrees Celsius

CA ^SEARCH

Coronagraphic Apodizer

C&A ^SEARCH

calibration and analysis

CADC ^SEARCH

Canadian Astronomical Data Center (Victoria BC)

CAMAC ^SEARCH

Computer-Aided Measurement and Control

CAS ^SEARCH

cost accounting standards

CASB ^SEARCH

Catalogs And Survey Branch

CASE ^SEARCH

computer aided software engineering

CBS ^SEARCH

Contract and Business Services (STScI)

C/C ^SEARCH

configuration control

CCB ^SEARCH

Configuration Control Board

CCD ^SEARCH

charge coupled device

CCIR ^SEARCH

Consultative Committee on International Radio

CCITT ^SEARCH

Consultative Committee on International Telegraph & Telephone

CCL ^SEARCH

closed conference loop

CCR ^SEARCH

configuration change request

CCTV ^SEARCH

closed circuit television

CD ^SEARCH

compact disc

CDBS ^SEARCH

Calibration Data Base System

CDCA ^SEARCH

Centre de Depoiullement des Cliches Astronimiques

CD-ROM ^SEARCH

compact disc-read only memory

CDR ^SEARCH

critical design review

C&DH ^SEARCH

Control and Data Handling

CDR ^SEARCH

Critical Design Review

CIT ^SEARCH

California Institute of Technology (Pasadena, CA) (do not use CIT, use Caltech)

CKSM ^SEARCH

checksum

CL ^SEARCH

command language (IRAF system level)

CM ^SEARCH

configuration management

cm ^SEARCH

centimeter

CMOS ^SEARCH

complimentary metal oxide semiconductor

CM/QA ^SEARCH

Configuration Management/Quality Assurance

CNS ^SEARCH

Computing and Network Services (STScI)

CO ^SEARCH

contracting officer

COB ^SEARCH

close of business

CODMAC ^SEARCH

Committee on Data Management and Computing

COSTAR ^SEARCH

Corrective Optics Space Telescope Axial Replacement

CPAF ^SEARCH

cost plus award fee

CPFF ^SEARCH

cost plus fixed fee

CPI ^SEARCH

characters per inch

CPI ^SEARCH

Continuous Process Improvement

CPMF ^SEARCH

cost plus management fee

CPMM ^SEARCH

characters per millimeter

CPU ^SEARCH

central processing unit

CRB ^SEARCH

Change Review Board

CRC ^SEARCH

cyclic redundancy check

CRT ^SEARCH

cathode ray tube

CSAA ^SEARCH

Committee on Space Astronomy and Astrophysics

CSC ^SEARCH

Computer Sciences Corporation

CSI ^SEARCH

Catalog of Stellar Identifications

CSLG ^SEARCH

Campus-wide Software License Grants Program

CTA ^SEARCH

Computer Technology Associates

CTE ^SEARCH

charge transfer efficiency

CTIO ^SEARCH

Cerro Tololo Inter-American Observatory (Chile)

CTWG ^SEARCH

Calibration Targets Working Group

CU ^SEARCH

calibration unit (avoid using as an abbreviation, often confused with central unit, camera unit, command unit, etc.)

CV ^SEARCH

cataclysmic variable star

CV ^SEARCH

curriculum vitae

CVC ^SEARCH

Current to Voltage Converter

CVZ ^SEARCH

continuous viewing zone

CY ^SEARCH

calendar year

D

^SEARCH

digital to analog

DADS ^SEARCH

Data Archive and Distribution System

DAO ^SEARCH

Dominion Astrophysical Observatory (Victoria, BC, Canada)

DAR ^SEARCH

Defense Acquisition Regulation

DBMS ^SEARCH

data base management system

DBSA ^SEARCH

Database and System Administration team (STScI)

dBw ^SEARCH

decibel reference to 1 watt

DC ^SEARCH

direct current

DCA ^SEARCH

Detector Control Assembly

DCB ^SEARCH

Design Change Board

DCC ^SEARCH

Document Control Center

DCF ^SEARCH

Data Capture Facility

DCL ^SEARCH

Digital Control Language (VAX/VMS)

DCMF ^SEARCH

Data Capture and Management Facility (GSFC)

DCR ^SEARCH

document change request

DD ^SEARCH

Deputy Director

DDCMP ^SEARCH

Digital Data Communications Message Protocol

DDF ^SEARCH

Directors Discretionary Fund

DDL ^SEARCH

Data Definition Language

DE ^SEARCH

detector efficiency

DEC ^SEARCH

declination

DEC ^SEARCH

Digital Equipment Corporation

DEFCAL ^SEARCH

deflection calibration

DG ^SEARCH

data group

DH ^SEARCH

data handling

DMA ^SEARCH

direct memory access

DMF ^SEARCH

Data Management Facility

DMS ^SEARCH

Daily Mission Schedule

DMS ^SEARCH

Data Management Subsystem

DN ^SEARCH

digital number

DNA ^SEARCH

Digital Network Architecture

DOC ^SEARCH

Data Operations Center

DoD ^SEARCH

Department of Defense

DOMSAT ^SEARCH

Domestic Communications Satellite

DOV ^SEARCH

Director of Orbital Verification

DOY ^SEARCH

day of year

DQE ^SEARCH

detector quantum efficiency

DQF ^SEARCH

data quality file

DRD ^SEARCH

Data Requirements Document

DSD ^SEARCH

Data Systems Division (STScI)

DSN ^SEARCH

Deep Space Network

DSOB ^SEARCH

Data Systems Operations Branch

E

E/A ^SEARCH

ephemeris/attitude

EBA ^SEARCH

Electronics Bay Assembly

EBS ^SEARCH

Electron Bombarded Silicon

ECA ^SEARCH

Electronics Control Assembly

ECF ^SEARCH

European Coordinating Facility (write as ST-ECF)

EDB ^SEARCH

Engineering Data Base

EDT ^SEARCH

eastern daylight time

EED ^SEARCH

extracted engineering data (file type)

EEO ^SEARCH

Equal Employment Opportunity

EF ^SEARCH

Event Foreground (record type)

EIA ^SEARCH

Electronic Industries Association

ELV ^SEARCH

expendable launch vehicle

EMI ^SEARCH

electromagnetic interference

EMU ^SEARCH

Extra-vehicular Mobility Unit

EOF ^SEARCH

end of file

EOL ^SEARCH

end of line

EOR ^SEARCH

end of record

EOT ^SEARCH

end of tape

EOY ^SEARCH

end of year

EPAO ^SEARCH

Educational and Public Affairs Office (do not use EPA)

EPS ^SEARCH

Encapsulated PostScript

EROS ^SEARCH

Earth Resources Observation Satellite

ERRSAC ^SEARCH

Eastern Regional Remote Sensing Applications Center

ESA ^SEARCH

European Space Agency

ESB ^SEARCH

Engineering Support Branch

ESO ^SEARCH

European Southern Observatory

ESOC ^SEARCH

European Space Operations Center

ESS ^SEARCH

Engineering Support System

EST ^SEARCH

eastern standard time

ESTEC ^SEARCH

European Space Technology Center

ESTR ^SEARCH

Engineering and Science Tape Recorder

ETA ^SEARCH

estimated time of arrival

ETC ^SEARCH

STDN station (Greenbelt MD)

ETC ^SEARCH

estimated time to completion

ETOL ^SEARCH

ESA Test and Operations Language

ETR ^SEARCH

Eastern Test Range

ETR ^SEARCH

Engineering Tape Recorder

ETRD ^SEARCH

Engineering Tape Recorded Data

EU ^SEARCH

engineering unit

EUV ^SEARCH

extreme ultraviolet

EVA ^SEARCH

extra vehicular activity

F

F ^SEARCH

degrees Fahrenheit

FAC ^SEARCH

facilities

FAC ^SEARCH

forecast at completion

FACC ^SEARCH

Ford Aerospace Communications Corporation

FAR ^SEARCH

Flight Acceptance Review

FAT ^SEARCH

file allocation table

FD ^SEARCH

file descriptor

FD ^SEARCH

flight day (usually used with number, e.g., FD4)

FDI ^SEARCH

failure detection and isolation

FDR ^SEARCH

final design review

FEAT ^SEARCH

Fine Error Averaging Test

FEM ^SEARCH

Finite Element Model

FES ^SEARCH

fine error signal

FF ^SEARCH

flat field (preferred use is to always spell out)

FFT ^SEARCH

fast Fourier transform

FGE ^SEARCH

Fine Guidance Electronics

FGS ^SEARCH

Fine Guidance Sensors (there are three)

FGSAA ^SEARCH

FGS Access Area

FHST ^SEARCH

Fixed Head Start Tracker

FIFO ^SEARCH

first in first out (queueing method)

FIPS ^SEARCH

Federal Information Processing Standards

FITS ^SEARCH

Flexible Image Transport System

FK4 ^SEARCH

Fundamental Katalog 4

FM ^SEARCH

flight model

FMS ^SEARCH

Forms Management System

FOC ^SEARCH

Faint Object Camera

FORTRAN ^SEARCH

Formula Translation (programming language, do not spell out)

FOS ^SEARCH

Faint Object Spectrograph

FOT ^SEARCH

Flight Operations Team

FOV ^SEARCH

field of view

FPA ^SEARCH

Focal Plane Assembly

FPA ^SEARCH

floating point accelerator

FPAS ^SEARCH

FPA Shroud

FPSA ^SEARCH

FPA Structure Assembly

FQR ^SEARCH

Flight Qualification Review

FRD ^SEARCH

functional requirements document

FRR ^SEARCH

Flight Readiness Review

FSK ^SEARCH

frequency shift keying

FSM ^SEARCH

First Servicing Mission

FSS ^SEARCH

Flight Servicing System

FTA ^SEARCH

fault tree analysis

FTE ^SEARCH

full time employee

FTP ^SEARCH

file transfer protocol

FU ^SEARCH

flight unit

FWHM ^SEARCH

full width at half maximum

FY ^SEARCH

fiscal year

G

GASP ^SEARCH

GSSS Archive Support Project

GC ^SEARCH

galactic center

GCI ^SEARCH

geocentric intertial

GDS ^SEARCH

STDN tracking station (Goldstone, CA)

GE ^SEARCH

General Electric

GEIS ^SEARCH

Generic Edited Information Set (HST image file format)

GG ^SEARCH

gravity gradient

GHRS ^SEARCH

Goddard High Resolution Spectrograph

GHz ^SEARCH

gigahertz

GIF ^SEARCH

Graphic Interchange Format

GIMP ^SEARCH

geomagnetically induced motion problem

GIO ^SEARCH

graphics input/output

GKS ^SEARCH

Graphic Kernel System

GMT ^SEARCH

Greenwich Mean Time

GO ^SEARCH

general observer (sometimes defined as "guest observer")

GPB ^SEARCH

group parameter block

GRO ^SEARCH

Gamma Ray Observatory

GRU ^SEARCH

Ground Replaceable Unit

GSC ^SEARCH

Guide Star Catalog

GSFC ^SEARCH

Goddard Space Flight Center (Greenbelt, MD)

GSOWG ^SEARCH

Ground Systems Operations Working Group

GSP ^SEARCH

General Support Pool

GSPC ^SEARCH

Guide Star Photometry Catalog

GSSS ^SEARCH

Guide Star Selection System

GST ^SEARCH

ground system test

GTO ^SEARCH

guaranteed time observer

H

HDOS ^SEARCH

Hughes Danbury Optical Systems (Danbury CT)

HEAO ^SEARCH

High Energy Astronomy Observatory

HGA ^SEARCH

High Gain Antenna

HIPO ^SEARCH

hierarchic input process output

HP ^SEARCH

Hewlett Packard

HPR ^SEARCH

hardware problem report

HQ ^SEARCH

headquarters

HRA ^SEARCH

High Resolution Apodizer

HR> ^SEARCH

human resources

HRC ^SEARCH

High Resolution Camera

HSC ^SEARCH

Hierachical Storage Controller

HSP ^SEARCH

High Speed Photometer (removed 1993)

HRS ^SEARCH

High Resolution Spectrograph (correct use is GHRS)

HSI ^SEARCH

Host System Interface (IRAF)

HSP ^SEARCH

High Speed Photometer

HST ^SEARCH

Hubble Space Telescope

HTML ^SEARCH

Hyptertext Markup Language (WWW)

HV ^SEARCH

high voltage

HVPS ^SEARCH

high voltage power supply

Hz ^SEARCH

Hertz, cycles per second

IAU ^SEARCH

International Astrophysical Union

ICCD ^SEARCH

intensified charge coupled device

ICD ^SEARCH

Interface Control Document

ICF ^SEARCH

intrinsic correlation function

ID ^SEARCH

identification

IDL ^SEARCH

Interactive Data Language (software from RSI)

IDM ^SEARCH

Intelligent Database Machine (made by Britton-Lee)

IDT ^SEARCH

image dissector tube

IDT ^SEARCH

Instrument Development Team (also Investigation Definition Team)

IEEE ^SEARCH

Institute for Electrical and Electronic Engineers

IFOV ^SEARCH

instantaneous field of view

IFT ^SEARCH

inverse Fourier transform

IGI ^SEARCH

Interactive Graphics Interpreter (program in STSDAS)

IIPS ^SEARCH

Interactive Image Processing System

IMIO ^SEARCH

image input/output

IMSL ^SEARCH

International Mathematical and Statistical Library

I/O ^SEARCH

input/output

IP ^SEARCH

Internet Protocol

IPC ^SEARCH

inter-process communication

IPPPSSOOT ^SEARCH

file naming convention for HST data sets (not an acronym)

ips ^SEARCH

inches per second

IQL ^SEARCH

Interactive Query Language

IR ^SEARCH

infrared

IRAC ^SEARCH

International Radio Advisory Committee

IRAF ^SEARCH

Image Reduction Analysis Facility (written by NOAO)

IRAS ^SEARCH

Infrared Astronomy Satellite

IRD ^SEARCH

Interface Requirements Document

ISR ^SEARCH

Instrument Science Report

ITF ^SEARCH

Intensity transfer function

ITT ^SEARCH

International Telephone and Telegraph

IU ^SEARCH

Interface unit

IUE ^SEARCH

International Ultraviolet Explorer

IUESIPS ^SEARCH

IUE Spectral Image Processing System

IV ^SEARCH

intra vehicular

IVC ^SEARCH

Institute Visiting Committee

IWG ^SEARCH

Interface Working Group

J

JHU ^SEARCH

The Johns Hopkins University (Baltimore, MD)

JPL ^SEARCH

Jet Propulsion Laboratory (Pasadena, CA)

JSC ^SEARCH

Johnson Space Center (Houston, TX)

K

K ^SEARCH

degrees Kelvin

k ^SEARCH

kilo

KB ^SEARCH

kilobytes

kg ^SEARCH

kilogram

KHz ^SEARCH

kilohertz

km ^SEARCH

kilometer

KPNO ^SEARCH

Kitt Peak National Observatory (Tucson, AZ)

KSC ^SEARCH

Kennedy Space Center

L

LAC ^SEARCH

Lockheed Aircraft Corporation

LAN ^SEARCH

local area network

LaRC ^SEARCH

Langley Research Center

LAS ^SEARCH

Laboratoire Astronomie Spatiale

LCC ^SEARCH

Launch Control Center

LDEF ^SEARCH

Long Duration Exposure Facility

LED ^SEARCH

light emitting diode

LEO ^SEARCH

low earth orbit

LeRC ^SEARCH

Lewis Research Center

LGA ^SEARCH

Low Gain Antenna

LMSC ^SEARCH

Lockheed Missile and Space Corporation

LOE ^SEARCH

level of effort

LOS ^SEARCH

line of sight

LPS ^SEARCH

Launch Processing System

LSA ^SEARCH

Large Science Aperture (GHRS)

LSF ^SEARCH

line spread function

LSG ^SEARCH

Liaison Scientists Group

LUT ^SEARCH

lookup table

LVPS ^SEARCH

low voltage power supply

LWS ^SEARCH

Long Wavelength Spectrometer

M

m ^SEARCH

meter

mag ^SEARCH

magnitude, unit of star flux, larger value is fainter star

MB ^SEARCH

megabyte

mas ^SEARCH

milliarcsecond

MDB ^SEARCH

multiplexed data bus

MEM ^SEARCH

Maximum Entropy Method

MeV ^SEARCH

million electron volts

MFR ^SEARCH

Manipulator Foot Restraint

MHz ^SEARCH

megahertz

MIDAS ^SEARCH

Munich Image Data Analysis System

MIL-STD ^SEARCH

military standard

MIPS ^SEARCH

million instructions per second

MIS ^SEARCH

management information system

MIT ^SEARCH

Massachusetts Institute of Technology (Cambridge MA)

MJD ^SEARCH

modified Julian date

MKO ^SEARCH

Mauna Kea Observatory

mm ^SEARCH

millimeter

MM ^SEARCH

memory module

MMI ^SEARCH

man-machine interface

MMS ^SEARCH

Module Management System

MMU ^SEARCH

Manned Maneuvering Unit

MOA ^SEARCH

memorandum of agreement

MONGO ^SEARCH

Interactive graphics software package; this is not an acronym

MOR ^SEARCH

Mission Operations Room

MOS ^SEARCH

metal oxide semiconductor

MOS ^SEARCH

Multi-Object Spectrometer

MOSES ^SEARCH

Mission Operations and Systems Engineering Support

MOSS ^SEARCH

Moving Object Support System

MOU ^SEARCH

memorandum of understanding

MOWG ^SEARCH

Mission Operations Working Group

M&P ^SEARCH

materials and processes

MPP ^SEARCH

multi-pinned phase

MPS ^SEARCH

Mission Planning System

M&R ^SEARCH

maintenance and refurbishment

MRB ^SEARCH

Material Review Board

MS ^SEARCH

master schedule

MS ^SEARCH

mission schedule

ms ^SEARCH

millisecond

MSE ^SEARCH

Milton S. Eisenhower library (JHU)

MSFC ^SEARCH

Marshall Space Flight Center (Huntsville AL)

MSC ^SEARCH

Mission Support Calibration

MSOCC ^SEARCH

Multisatellite Operations Control Center

MT ^SEARCH

moving target

MTBF ^SEARCH

mean time between failure

MTF ^SEARCH

modulation transfer function

MTL ^SEARCH

mission time line

MTR ^SEARCH

mean time to restore (also mean time to repair)

MU ^SEARCH

memory unit

mv ^SEARCH

visual magnitude

Mv ^SEARCH
absolute visual magnitude

N

N ^SEARCH

Newton

N/A ^SEARCH

not applicable

NAG ^SEARCH

Numerical Algorithms Groups

NAIF ^SEARCH

Navigation Ancillary Information Facility

NAS ^SEARCH

National Academy of Sciences

NASA ^SEARCH

National Aeronautics and Space Administration

NASCOM ^SEARCH

NASA communications network

NBS ^SEARCH

National Bureau of Standards (now NIST, do not use NBS)

NCAR ^SEARCH

National Center for Atmospheric Research (also their s/w)

NCC ^SEARCH

Network Control Center

NCSA ^SEARCH

National Center for Supercomputer Applications (Urbana IL)

ND ^SEARCH

neutral density

NDC ^SEARCH

Network Data Center

NEA ^SEARCH

noise equivalent angle

NEC ^SEARCH

National Electrical Code

NEMA ^SEARCH

National Electrical Manufacturers Association

NEP ^SEARCH

North Ecliptic Pole

NFS ^SEARCH

Network File System

NGP ^SEARCH

North Galactic Pole

NGT ^SEARCH

NASA Ground Terminal (White Sands NM)

NGT ^SEARCH

Next Generation Telescope

NICMOS ^SEARCH

Near-Infrared Camera and Multi-Object Spectrometer

NIST ^SEARCH

National Institute of Standards and Technology

NIU ^SEARCH

NASCOM Interface Unit

nm ^SEARCH

nanometer

NM ^SEARCH

Newton Meters

nmi ^SEARCH

nautical miles

NOAA ^SEARCH

National Oceanic and Atmospheric Administration

NOAO ^SEARCH

National Optical Astronomy Observatories (Tucson, AZ)

NOCC ^SEARCH

Network Operations Control Center

NRAO ^SEARCH

National Radio Astronomy Observatory (Greenbank, WV)

NRC ^SEARCH

National Research Council

NRL ^SEARCH

Naval Research Laboratory

NRT ^SEARCH

near real time

NSF ^SEARCH

National Science Foundation

NSI ^SEARCH

NASA Science Internet

NSP ^SEARCH

NASA Support Plan

NSSDC ^SEARCH

National Space Science Data Center (Greenbelt, MD)

NTT ^SEARCH

New Technology Telescope

NVR ^SEARCH

non-volatile residue

O

OAF ^SEARCH

Optical Alignment Facility

OAO ^SEARCH

Orbiting Astronomical Observatory (also OAO Corporation)

OBC ^SEARCH

on-board computer

OBP ^SEARCH

on-board processor

OCB ^SEARCH

Operational Configuration Baseline

OCC ^SEARCH

Operations Control Center

OCS ^SEARCH

Optical Control System

OCX ^SEARCH

observation comments file (from OSS)

ODB ^SEARCH

Operations Data Base

ODC ^SEARCH

other direct cost

ODF ^SEARCH

Orbit Determination Facility

ODL ^SEARCH

Observation Data Log

OFAD ^SEARCH

optical field angle distortion

OGSE ^SEARCH

optical ground support equipment

OLT ^SEARCH

Observatory Level Test

O&M ^SEARCH

operations and maintenance

OMB ^SEARCH

Office of Management and Budget

OMS ^SEARCH

Observatory Monitoring System

ONR ^SEARCH

Office of Naval Research

OPB ^SEARCH

Observation Planning Branch

OPD ^SEARCH

Operations and Data Processing Division (STScI)

OPF ^SEARCH

Orbiter Processing Facility

OPO ^SEARCH

Office of Public Outreach (STScI)

OPO ^SEARCH

Operations Project Office (STScI)

OPR ^SEARCH

Operations Problem Report

OPS ^SEARCH

Operations Division (STScI)

OPUS ^SEARCH

OSS and PODPS Unified Systems

ORD ^SEARCH

Operations Requirements Document

ORI ^SEARCH

Orbit Replaceable Instrument

ORR ^SEARCH

Orbit Readiness Review

OS ^SEARCH

operating system

OSB ^SEARCH

Operations Software Branch (STScI)

OSG ^SEARCH

Observatory Support Group (STScI)

OSHA ^SEARCH

Occupational Safety and Health Act

OSS ^SEARCH

Observation Support System

OSSO ^SEARCH

Observation Science Support Office (STScI)

OST ^SEARCH

Observation Sequence Table

OTA ^SEARCH

Optical Telescope Assembly

OV ^SEARCH

orbital verification

OVIWG ^SEARCH

Orbital Verification Implementation Working Group

P

P&A ^SEARCH

Physics and Astronomy (building) at JHU, Bloomberg

PAD ^SEARCH

pulse amplitude discriminator

PASP ^SEARCH

Proceedings of the Astronomical Society of the Pacific

PASS ^SEARCH

POCC Application Software Support

PC ^SEARCH

Planetary Camera

PCM ^SEARCH

pulse code modulation

PCS ^SEARCH

Pointing Control System

PCT ^SEARCH

Program Coordinator Team

PDA ^SEARCH

Photon Detector Assembly

PDB ^SEARCH

project data base

PDQ ^SEARCH

PODPS Data Quality (file type)

PDR ^SEARCH

preliminary design review

PDS ^SEARCH

Photometric Data Systems (plate scanner)

P-E ^SEARCH

Perkin-Elmer Corporation

PEB ^SEARCH

Performance Evaluation Board

PEP ^SEARCH

Proposal Entry Processor

PEPSI ^SEARCH

PEP System

PFM ^SEARCH

Pre-Flight Module

PFR ^SEARCH

portable foot restraint

PFS ^SEARCH

percent full scale

PGPLOT ^SEARCH

FORTRAN subroutine library for plotting graphics

PI ^SEARCH

principle investigator

PM ^SEARCH

primary mirror

PM ^SEARCH

project manager

PMDB ^SEARCH

Project Management Data Base

PMT ^SEARCH

photomultiplier tube

POA ^SEARCH

Post Operations Archive

POCC ^SEARCH

Payload Operations Control Center

PODPS ^SEARCH

Post Observation Data Processing System

PORTS ^SEARCH

Preliminary Operations Requirements and Test Support

POSS ^SEARCH

Palomar Observatory Sky Survey

PPF ^SEARCH

Payload Processing Facility

ppm ^SEARCH

parts per million

PR ^SEARCH

Problem Report

PR ^SEARCH

public relations

PRB ^SEARCH

Preliminary Review Board

PRESTO ^SEARCH

Project to Re-Engineer Space Telescope Observing (was US/PS)

PROM ^SEARCH

programmable read-only memory

PROS ^SEARCH

Post Reduction Offline Software (x-ray software from SAO)

PRR ^SEARCH

Preliminary Requirements Review

PSF ^SEARCH

point spread function

psi ^SEARCH

per square inch

PSK ^SEARCH

phase shift keying

PSL ^SEARCH

Program Support Library

P/SOS ^SEARCH

Payload/Spacecraft Operations Simulator

PSR ^SEARCH

Project Status Review

PSS ^SEARCH

Palomar Sky Survey (also POSS)

PTF ^SEARCH

Payload Test Facility

PWLA ^SEARCH

Portable Work Light Assembly

PWM ^SEARCH

pulse width modulated

Q

Q&A ^SEARCH

qualification and acceptance

QA ^SEARCH

quality assurance

QC ^SEARCH

quality control

QE ^SEARCH

quality engineering

QE ^SEARCH

quantum efficiency

QEH ^SEARCH

quantum efficiency hysteresis

QPOE ^SEARCH

Quick Position Oriented Event (data format for PROS)

QPSK ^SEARCH

quadriture phase shift keying

QSO ^SEARCH

quasi-stellar object

QV ^SEARCH

quick visual

R

RA ^SEARCH

right ascension

RA ^SEARCH

research assistant

rad ^SEARCH

radian

RAM ^SEARCH

random access memory

RAS ^SEARCH

Royal Astronomical Society

RCS ^SEARCH

Readiness Control System

R&D ^SEARCH

research and development

RF ^SEARCH

radio frequency

RFI ^SEARCH

radio frequency interference

RFP ^SEARCH

request for proposal

RGA ^SEARCH

Rate Gyro Assembly

RGB ^SEARCH

red green blue

RGO ^SEARCH

Royal Greenwich Observatory

R&I ^SEARCH

receiving and inspection

RISC ^SEARCH

Reduced Instruction Set Computer (IBM)

R-L ^SEARCH

Richardson-Lucy (image restoration method)

RM ^SEARCH

retrieval mode

rms ^SEARCH

root mean square

RMS ^SEARCH

Remote Manipulator System

RMS ^SEARCH

Record Management System (VAX)

RMS ^SEARCH

Republic Management Systems, Inc.

ROE ^SEARCH

Royal Observatory Edinburgh

ROM ^SEARCH

read-only memory

RPI ^SEARCH

Rensselaer Polytechnic Institute (Rensselaer, NY)

rpm ^SEARCH

revolutions per minute

RPO ^SEARCH

Research Programs Office (STScI)

RPSS ^SEARCH

Remote Proposal Submission System

R&QA ^SEARCH

reliability and quality assurance

RS ^SEARCH

Reed-Solomon error detection

RS ^SEARCH

resource scheduler

RSB ^SEARCH

Research Support Branch (STScI)

RSDP ^SEARCH

Routine Science Data Processing

RSI ^SEARCH

Research Systems, Inc.

rss ^SEARCH

root sum squared

RSS ^SEARCH

Rotating Service Structure

RSU ^SEARCH

Rate Sensor Unit

R/T ^SEARCH

real time (preferred use is to spell out)

RTA ^SEARCH

real time activity

RTB ^SEARCH

return to brightest

RTC ^SEARCH

real time command

RTO ^SEARCH

real time operation

RTS ^SEARCH

relative time sequence

RTV ^SEARCH

room temperature vulcanizing

RWA ^SEARCH

Reaction Wheel Assembly

S

SA ^SEARCH

solar array

SAA ^SEARCH

South Atlantic Anomaly

SAC ^SEARCH

Solar Array Carrier

SADE-1 ^SEARCH

Solar Array Deploy Electronics-1

SAL ^SEARCH

Space Astronomy Laboratory (Univ. Wisconsin, Madison WI)

SAM ^SEARCH

small angle maneuver

SAO ^SEARCH

Smithsonian Astrophysical Observatory

SAOC ^SEARCH

SAO Catalog

SAR ^SEARCH

Software Analysis Room

S/C ^SEARCH

spacecraft (preferred use is to spell out)

SCAC ^SEARCH

Science Computing Advisory Commitee

SCARS ^SEARCH

Science Computing & Research Support Division (STScI)

SCCCB ^SEARCH

Science Computing Configuration Control Board

SCE ^SEARCH

Spacecraft Command Encoder

SCL ^SEARCH

Service Control Level

SCMS ^SEARCH

STScI Code Management System

SCO ^SEARCH

Software Change Order

SCP ^SEARCH

single color photometry

SCSI ^SEARCH

Small Computer Systems Interface

SDA ^SEARCH

Science Data Analyst

SDAS ^SEARCH

Scientific Data Analysis System (replaced by STSDAS, do not use SDAS)

SDD ^SEARCH

Software Design Document

SDF ^SEARCH

Science Data Formatter

SDH ^SEARCH

science data header (file type)

SDM ^SEARCH

Secondary Deployment Mechanism

SDP ^SEARCH

science data packet

SDR ^SEARCH

System Design Review

SDS ^SEARCH

science data store

SEA ^SEARCH

Sensor Electronics Assembly

SEB ^SEARCH

Source Evaluation Board

SEB ^SEARCH

Systems Engineering Branch

sec ^SEARCH

seconds

SEP ^SEARCH

South Ecliptic Pole

SEP ^SEARCH

Systems Engineering Plan

SEP ^SEARCH

System Enhancement Plan

SER ^SEARCH

Systems Engineering Report

SESD ^SEARCH

Science and Engineering Systems Division (STScI)

sf ^SEARCH

square foot

SGP ^SEARCH

South Galactic Pole

SHL ^SEARCH

science header line

SHP ^SEARCH

standard header packet (file type)

SI ^SEARCH

science instrument (preferred use is to spell out)

SIAF ^SEARCH

Science Instrument Aperture File

SIB ^SEARCH

Science Instrument Branch (STScI)

SIC ^SEARCH

Spacecraft Identification Code

SID ^SEARCH

Software Implementation Directive

SIDS ^SEARCH

SI Detector System

SIF ^SEARCH

Science Instrument Formatter

SIF ^SEARCH

SOGS Integration Facility

SIM ^SEARCH

simulator or simulation

SIMA ^SEARCH

Secondary Mirror Incremental Motor Actuator

SIMM ^SEARCH

standard inline memory module

SIP ^SEARCH

Software Implementation Plan

SIP ^SEARCH

SOGS-invocable procedure

SIPE ^SEARCH

Science Instrument Protective Enclosure

SIPS ^SEARCH

Spectral Image Processing System

SIRD ^SEARCH

Support Instrumentation Requirements Document

SIRTF ^SEARCH

Shuttle Infrared Telescope Facility

SITB ^SEARCH

System Integration and Testing Branch (STScI)

SJC ^SEARCH

slit jaw camera

SJR ^SEARCH

Software Justification Report

SLTV ^SEARCH

system level thermal vacuum

SM ^SEARCH

secondary mirror

SM ^SEARCH

safe mode

SMA ^SEARCH

Secondary Mirror Assembly

SMM ^SEARCH

Solar Maximum Mission

SMM ^SEARCH

science mission management

SMM ^SEARCH

Spectro-Mirror Mechanism

SMO ^SEARCH

Servicing Mission Office (STScI)

SMOV ^SEARCH

Servicing Mission Observatory Verification

SMS ^SEARCH

Science Mission Specification

S/N ^SEARCH

signal to noise ratio

S/N ^SEARCH

serial number

SNAP ^SEARCH

Structural Network Analysis Program

SOB ^SEARCH

Science Observatory Branch (STScI)

SOFA ^SEARCH

Selectable Optical Filter Assembly

SOGS ^SEARCH

Science Operations Ground System

SOW ^SEARCH

statement of work

SP ^SEARCH

sun point

SPA ^SEARCH

Solar Panel Assembly

SPAN ^SEARCH

Space Physics Analysis Network (now part of NSI)

SPB ^SEARCH

Science Planning Branch (STScI)

SPD ^SEARCH

Science Programs Division (STScI)

SPE ^SEARCH

static phase error

SPG ^SEARCH

Special Projects Group (STScI)

SPIE ^SEARCH

Society of Photo-optical Instrumentation Engineers

SPIEL ^SEARCH

Signal Processing Interactive Extensible Language

SPIF ^SEARCH

Shuttle POCC Interface Facility

SPO ^SEARCH

Sacramento Peak Observatory

SPP ^SEARCH

Subset Preprocessor (IRAF programming language)

SPR ^SEARCH

Software Problem Report

SPSO ^SEARCH

Science Program Selection Office (STScI)

SPSS ^SEARCH

Science Planning and Scheduling System

SPST ^SEARCH

Science Planning and Scheduling Team

SPYBAL ^SEARCH

spectrum Y balance

SQA ^SEARCH

software quality assurance

SQPN ^SEARCH

staggered quadriphase pseudo-random noise

SQPSK ^SEARCH

staggered quadrature phase shift keying

SRB ^SEARCH

solid rocket booster

SRC ^SEARCH

Science Research Council (U.K.)

SRD ^SEARCH

Software Requirements Document

SRS ^SEARCH

Southern Reference Star

SS ^SEARCH

Star Selector (FGS)

SS ^SEARCH

System Simulator

SS ^SEARCH

Safing System

SSA ^SEARCH

Star Selector Assembly

SSA ^SEARCH

Small Science Aperture (GHRS)

SSB ^SEARCH

Science Software Branch (STScI)

SSB ^SEARCH

Space Science Board (NRC)

SSC ^SEARCH

Science Support Center (STOCC)

SSE ^SEARCH

Star Selector Encoder

SSG ^SEARCH

Science Software Group (STScI)

SSM ^SEARCH

System Support Module

SSC ^SEARCH

STEIS Steering Committee

SSD ^SEARCH

Science Support Division (STScI)

SSO ^SEARCH

Special Studies Office (STScI)

SST ^SEARCH

Software Support Team (STScI)

ST ^SEARCH

Space Telescope (preferred use is HST)

STAC ^SEARCH

Space Telescope Advisory Council

STAN ^SEARCH

Space Telescope Analysis Newsletter

STAR ^SEARCH

Space Telescope Axial Replacement (see COSTAR)

STARCAT ^SEARCH

Space Telescope Archive Catalog

STAT ^SEARCH

Space Telescope Astrometry Team

STAVF ^SEARCH

Space Telescope Assembly and Verification Facility

STDN ^SEARCH

Satellite Tracking and Data Network

ST-ECF ^SEARCH

Space Telescope - European Coordinating Facility

STEIS ^SEARCH

Space Telescope Electronic Information System

STFS ^SEARCH

Space Telescope Flight Software

STIC ^SEARCH

Space Telescope Institute Council

STIF ^SEARCH

Software Test and Integration Facility

STIF ^SEARCH

Science and Technology Information Facility (Linthicum MD)

STIS ^SEARCH

Space Telescope Imaging Spectrograph

STL ^SEARCH

science trailer line

STOCC ^SEARCH

Space Telescope Operations Control Center (GSFC, Greenbelt MD)

STOL ^SEARCH

Systems Test and Operations Language

STOMS ^SEARCH

Space Telescope Observatory Management System

STR ^SEARCH

Software Test Report

STR ^SEARCH

Science Tape Recorder

STS ^SEARCH

Space Transportation System (jargon for the shuttle)

STScI ^SEARCH

Space Telescope Science Institute

STSDAS ^SEARCH

Space Telescope Science Data Analysis System (built on IRAF)

STSWG ^SEARCH

Space Telescope Science Working Group

STVSW ^SEARCH

Space Telescope Verification Software

SUNY ^SEARCH

State University of New York

SV ^SEARCH

science verification

SVD ^SEARCH

singular value decomposition

SVWG ^SEARCH

Science Verification Working Group

S/W ^SEARCH

software (preferred use is to spell out)

SWAT ^SEARCH

swift action team

T

TAC ^SEARCH

Time Allocation Committee

TAC ^SEARCH

telemetry and command processor (also, TAC-B for B channel)

TAG ^SEARCH

two-axis gimbal

TAR ^SEARCH

Test Authorization Request

TB ^SEARCH

thermal balance

TBD ^SEARCH

to be determined

TC ^SEARCH

test conductor

TCE ^SEARCH

Thermal Control Electronics

TCP/IP ^SEARCH

Transmission Control Protocol/Internet Protocol

TDM ^SEARCH

time division multiplexing

TDRS ^SEARCH

Tracking and Data Relay Satellite

T&E ^SEARCH

test and evaluation

TEC ^SEARCH

Thermal Electric Cooler

TEI ^SEARCH

The Education Initiative

TFMRP ^SEARCH

Transfer Function Mode Reduction Package (FGS)

TFOV ^SEARCH

target field of view

TI ^SEARCH

Texas Instruments

TIB ^SEARCH

Telescope Instrument Branch (STScI, replaced by SIB and SOB)

TIFF ^SEARCH

Tagged Image File Format

TIM ^SEARCH

Telescope Image Modeling

tm ^SEARCH

telemetry (preferred use is to spell out)

TML ^SEARCH

total mass loss

TMP ^SEARCH

Technical Management Plan

TMTE ^SEARCH

telemetry test equipment

TO ^SEARCH

target of opportunity

TOCC ^SEARCH

TDRS Operations Control Center (White Sands NM)

TOY ^SEARCH

time of year

TPI ^SEARCH

Technical Proposal Instructions

TR ^SEARCH

tape recorder

TRB ^SEARCH

Test Review Board

TTC ^SEARCH

telemetry, tracking, and command

TTOC ^SEARCH

tape table of contents

TV ^SEARCH

television

TV ^SEARCH

thermal vacuum

U

UAO ^SEARCH

University of Arizona Observatories

UCL ^SEARCH

University College London

UCLA ^SEARCH

University of California Los Angeles

UCSD ^SEARCH

University of California San Diego

UDL ^SEARCH

unique data log (file type)

UHF ^SEARCH

ultra high frequency

UIC ^SEARCH

user identification code (VAX)

UL ^SEARCH

Underwriters Laboratory

ULE ^SEARCH

ultra-low expansion

UMCP ^SEARCH

University of Maryland College Park

UPS ^SEARCH

uninterruptible power supply

URL ^SEARCH

uniform resource locator (WWW)

USB ^SEARCH

User Support Branch (STScI)

USNO ^SEARCH

United States Naval Observatory

US/PS ^SEARCH

see PRESTO

UST ^SEARCH

Universal Standard Time

UT ^SEARCH

universal time

UT ^SEARCH

University of Texas

UTC ^SEARCH

coordinated universal time

UV ^SEARCH

ultraviolet

UW ^SEARCH

University of Wisconsin

V

V ^SEARCH

volts

VAB ^SEARCH

Vehicle Assembly Building (KSC)

VAC ^SEARCH

volts alternating current

VAP ^SEARCH

Verification and Acceptance Program

VCS ^SEARCH

Vernier Control System

VDC ^SEARCH

volts direct current

VDU ^SEARCH

video display unit

VFN ^SEARCH

virtual file name

VHF ^SEARCH

very high frequency

VLA ^SEARCH

Very Large Array (Socorro NM)

VLBI ^SEARCH

very long baseline interferometry

VLSI ^SEARCH

very large scale integration

VMC ^SEARCH

Velocity Modulating Camera

VMS ^SEARCH

Virtual Memory System

VOS ^SEARCH

Virtual Operating System (IRAF)

VPC ^SEARCH

viewport coordinates

VPF ^SEARCH

Vertical Processing Facility

VPU ^SEARCH

video processing unit

VRAM ^SEARCH

virtual random access memory

VRCS ^SEARCH

Vernier Reaction Control System

VRSD ^SEARCH

Verification Requirements and Specifications Document

W

W ^SEARCH

watts

WAIS ^SEARCH

Wide Area Information Server

WAN ^SEARCH

wide area network

WBS ^SEARCH

work breakdown schedule

WCS ^SEARCH

World Coordinate System

WFC ^SEARCH

Wide Field Camera

WF/PC ^SEARCH

Wide Field/Planetary Camera (instrument on HST) run by JPL

WFPC2 ^SEARCH

Wide Field Planetary Camera-2 (no slashes, hypens, or space)

WFS ^SEARCH

Wave Front Sensor

WG ^SEARCH

working group

WP ^SEARCH

work package

WSGS ^SEARCH

White Sands Ground Station

WWW ^SEARCH

World Wide Web (avoid using W3)

Z

z ^SEARCH

redshift

ZD ^SEARCH

zenith distance

ZOE ^SEARCH

zone of exclusion (TDRS)

STScI Acronym List (with ST-ECF additions)

Sections

*A*

*B*

*C*

*D*

*E*

*F*

*G*

*H*

*J*

*K*

*L*

*M*

*N*

*O*

*P*

*Q*

*R*

*S*

*T*

*U*

*V*

*W*

*Z*

A

B

C

D

E

F

G

H

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

Z