ARF | Ancillary Region File |
CAL | Calibration Access Layer |
CCD | Charge Coupled Device |
CCF | Current Calibration File |
CIF | Calibration Index File |
EPIC | European Photon Imaging Camera |
FITS | Flexible Image Transport System |
GO | Guest Observer |
GOF | NASA/GSFC Guest Observer Facility |
GSFC | Goddard Space Flight Center |
GUI | Graphical User Interface |
HEASARC | High Energy Astrophysics Science Archive Research Center |
HTML | Hyper Text Markup Language |
OAL | ODF Access Layer |
ODF | Observation Data File |
OM | Optical Monitor |
Portable Data Format | |
PP | Pipeline Processing System |
PPS | Pipeline Processing |
PV | Performance Validation |
RGS | Reflection Grating Spectrometer |
RMF | Redistribution Matrix File |
SAS | Science Analysis System |
SOC | Science Operations Center |
SSC | Survey Science Centre |
SV | Science Validation |
XMM | X-ray Multi-Mirror Mission |