| abs |
absolute |
| ACRIM |
Active Cavity Radiometer for Irradiance Monitoring |
| ARC |
Ames Research Center |
| AU |
astronomical unit = 1.5 x 108 km |
| AXAF |
Advanced X-ray Astrophysics Facility |
| CaII |
singlely ionized calcium |
| CCD |
charge-coupled device |
| COROT |
COnvection and ROTation of stars |
| Co-I |
Co-Investigator |
| Dec |
declination |
| deg |
degrees |
| DLT |
Digital Linear Tape |
| DSN |
Deep Space Network |
| EEV |
English Electronic Valve |
| EOM |
end of mission |
| EPS |
encapsulated postscript format |
| ESA |
European Space Agency |
| FAME |
Full-sky Astrometric Mapping Explorer |
| FAQ |
Frequently Asked Questions |
| FITS |
Flexible Information Transport System |
| FOV |
Field Of View |
| frac |
fractional |
| GIF |
Graphics Interchange Format |
| HET |
Hobby-Eberly Telescope |
| HI |
neutral hydrogen |
| HII |
ionized hydrogen |
| HST |
Hubble Space Telescope |
| HZ |
Habitable Zone |
| IR |
InfraRed |
| JPL |
Jet Propulsion Laboratory |
| LED |
Light Emitting Diode |
| LHS |
Lawrence Hall of Science |
| LOS |
Line Of Sight |
| MB |
MegaBytes |
| Me |
An Earth mass |
| MJ |
A Jupiter mass= 318 Me |
| MMTO |
Smithsonian/U Arizona MMT Observatory |
| MOST |
Micro-variability and Oscillations of STars |
| Mo |
One solar mass |
| mv |
Visual Magnitude |
| Myrs |
Millions of years |
| NAS |
National Academy of Sciences |
| NASA |
National Aeronautics and Space Administration |
| NEAR |
Near Earth Astroid Rendezvous |
| NGST |
Next Generation Space Telescope |
| nm |
nanometers = 10-9 meters |
| NRC |
National Research Council |
| OCLI |
Optical Coating Labs Inc |
| OSS |
Office of Space Science |
| pc |
parsec = 3.1 x 1016 meters |
| PDF |
Portable Document Format |
| PI |
Principal Investigator |
| pix |
pixel |
| ppm |
parts per million |
| PSF |
Point Spread Function |
| PZT |
PieZoelectric Transducer |
| QTH |
Quartz-Tungsten-Halogen lamp |
| RA |
Right Ascension |
| Re |
one Earth Radius |
| RJ |
one Jupiter Radius = 11.2 Re |
| rel |
relative |
| RSS |
Root Sum Square |
| RTD |
Resistance Temperature Detector |
| SAO |
Smithsonian Astrophysical Observatory |
| SETI |
Search for Extra-Terrestrial Intelligence |
| SIM |
Space Interferometry Mission |
| SIRTF |
Space InfraRed Telescope Facility |
| SMM |
Solar Maximum Mission |
| SNR |
Signal-to-Noise Ratio |
| SOFIA |
Stratospheric Observatory For Infrared Astronomy |
| SSED |
Solar System Exploration Division |
| SOHO |
SOlar and Heliospheric Observatory |
| STScI |
Space Telescope Science Institute |
| SWG |
Science Working Group |
| TBD |
To Be Determined |
| TEU |
ThermoElectric Unit |
| TLA |
Three Letter Acronym |
| TPF |
Terrestrial Planet Finder |
| USNO |
United States Naval Observatory |
| UV |
ultraviolet |
| VIRGO |
Variability of solar IRradiance and Gravity Oscillations on SOHO |
| yr |
year |
