Commonly Used Acronyms

AAS
American Astronomical Society
ADF
Astrophysics Data Facility (GSFC, Code 631)
ADS
Astrophysics Data System
Ariel-V
A UK X-ray mission, also known as UK-5
ARMS
Automated Retrieval Mail Service -- A system used by the NDADS to ma nage retrieval requests.
ASCA
The Japanese Asuka spacecraft (formerly ASTRO-D)
ASM
All-sky monitor
Anonymous FTP
A widely used convention for allowing users access to publi c data without requiring passwords or prior registration.
BBXRT
Broad Band X-Ray Telescope on ASTRO-1 shuttle flight (Dec. 1990)
Browse
The HEASARC's user interface/data browser
CGRO
The Compton Gamma Ray Observatory
Copernicus
NASA ultraviolet/X-ray mission, also known as OAO-3
COSSC
The Compton Observatory Science Support Center
DBMS
Data Base Management System
DSRI
Danish Science Research Institute
EUVITA
EUV telescope
Exosat
European Space Agency's X-ray Observatory
FITSIO
A portable suite of subroutines developed at the OGIP to provide c onvenient access to FITS files.
FITS
The Flexible Interchange Transport Format -- the IAU standard for as tronomical data.
FRD
Two imaging X-ray CCD arrays on SXG
FTOOLs
A suite of tools developed at the OGIP for general and mission-specific manipulation of FITS files.
FTP
File transfer protocol -- A widely available method for transferring files over the Internet.
Ginga
The third Japanese X-ray mission, also known as ASTRO-C.
GO
Guest Observer
GRASP
Generic Retrieve/Archive Services Protocol -- An interface definition developed in the OGIP to insulate against archive vendor dependencies.
GSFC
Goddard Space Flight Center
Gopher
A non-proprietary package for convenient access to anonymous FTP sites.
HEAO 1
High Energy Astronomy Observatory 1
HEASARC
High Energy Astrophysics Science Archive Research Center
HEPC
High energy proportional counter on SXG
HRI
High Resolution Imager
HST
Hubble Space Telescope
HUG
HEASARC User's Group -- The independent review and oversight committee for the HEASARC
IAU>
International Astronomical Union
IDL
Proprietary data analysis system of Research Systems International
IKI
Space Research Institute (Russia)
INGRES
A commercial database system
IPC
Imaging Proportional Counter
IRAF
Image Reduction and Analysis Facility -- A Large astronomical analysis system developed at KPNO.
IUE
International Ultraviolet Explorer
JET-X
Joint European Telescope for X-rays on SXG
LAC
Large Area Counter on Ginga
LANL
Los Alamos National Laboratory
LE
Low Energy
LEPC
Low energy proportional counter on SXG
LHEA
Laboratory for High Energy Astrophysics (GSFC, Code 660)
MART
A coded mask X-ray telescope on SXG
ME
Medium Energy
MOXE
All sky monitor on SXG
Mosaic
A non-proprietary software tool using hypertext links to navigate and retrieve data from the Internet -- developed by the National Center for Supercomputing Activities.
MPC
Einstein Observatory (HEAO-2) Monitoring Proportional Counter
NDADS
NSSDC Data Archive and Distribution System
NFS
Network File System
NRA
NASA Research Announcement
NSSDC
National Space Science Data Center (GSFC, Code 633)
OGIP
Office of Guest Investigator Programs (GSFC, Code 668)
OSO-8
Orbiting Solar Observatory -8
OXS
Objective X-ray Crystal Spectrometer
PDMP
Project Data Management Plan
PI
Principal Investigator
PROS
ROSAT (and X-ray) analysis system developed within IRAF
PSPC
ROSAT Position Sensitive Proportional Counters
ROSAT
Roentgen Satellite
SIXA
SXG solid state Si(Li) detectors
SODART
X-ray telescope on SXG
SPIKE
An AI scheduling tool used on HST, ASCA and XTE
SQL
Structured Query Language -- The ANSI standard database language
SSS
Einstein Observatory (HEAO-2) Solid State Spectrometer
STDB
A database interface layer which insulates user software from vendor dependencies. Developed at ST ScI.
SXG-CF
Spectrum X-Gamma Coordinating Facility
SXG
The Spectrum X-Gamma mission
SXRP
Stellar X-ray polarimeter
TAUVEX
a UV images on SXG
TIC
Technical Interface Committee
ToFU
A suite of tools developed at the OGIP to transform non-FITS information into FITS.
Vela-5B
US DoD mission with an all-sky X-ray monitor
WORM Write-Once-Read-Many
WWW
The WorldWideWeb -- a loose linkage of Internet sites which provide data and other services from around the world.
XANADU
X-ray analysis system maintained at the HEASARC
XIMAGE
Image analysis program in XANADU
XRONOS
Temporal analysis program in XANADU
XSELECT
A high-level tool to manage the FTOOLs
XSPEC
X-ray/gamma-ray spectral analysis package in XANADU
XTE
X-ray Timing Explorer