The following table lists acronyms used in this document, along with the chapter where they are first used or defined.
Chapter | Acronym | Definition |
2 | ADR | Adiabatic Demagnetization Refrigerator |
7 | AE | Analog Electronics |
2 | BGO | Bismuth Germanate |
2 | BI | Back-illuminated |
3 | CALDB | Calibration Database |
6 | CAP | Calorimeter Analog Processor |
7 | CCD | Charge-Coupled Devices |
6 | CDP | Calorimeter Digital Processor |
3 | Co-I | Co-investigator |
7 | CTE | Charge Transfer Efficiency |
7 | CTI | Charge Transfer Inefficiency |
6 | CTS | Calorimeter Thermal Sink |
7 | CXB | Cosmic X-ray Background |
7 | DE | Digital Electronics |
6 | DMS | Dewar Main Shell |
6 | DSP | Digital Signal Processor |
2 | EEF | Encircled Energy Function |
5 | EOB | Extensible Optical Bench |
6 | FEA | Front End Assembly |
2 | FI | Front-illuminated |
6 | FW | Filter Wheel (on XRS) |
2 | FWHM | Full-width half-maximum |
3 | FITS | Flexible Image Transport System |
3 | FTOOLS | FITS Tools |
Chapter | Acronym | Definition |
1 | GO | Guest Observer |
1 | GOF | Guest Observer Facility |
3 | GRB | Gamma-Ray Burst |
1 | GSFC | Goddard Space Flight Center |
2 | GSO | Gadolinium Silicate |
3 | HEASARC | High Energy Astrophysics Science Archive Research Center |
2 | HETG | High Energy Transmission Grating (on Chandra) |
2 | HPD | Half-Power Diameter |
1 | HXD | Hard X-Ray Detector |
1 | ISAS | Institute of Space and Astronautical Science |
6 | IVCS | Inner Vapor Cooled Shield |
1 | JAXA | Japan Aerospace Exploration Agency |
6 | JFET | Junction Field Effect Transistor |
2 | LETG | Low Energy Transmission Grating (on Chandra) |
7 | MPU | Main Processing Unit |
4 | NRA | NASA Research Announcement |
1 | NASA | National Aeronautics and Space Administration |
4 | NOI | Notice of Intent |
7 | NXB | Non-X-ray Background |
7 | OBF | Optical Blocking Filter |
2 | PIN | Positive Intrinsic Negative |
2 | PI | Principal Investigator |
7 | PPU | Pixel Processing Units |
4 | PSPC | Position-Sensitive Proportional Counter (on ROSAT) |
7 | P-Sum | Parallel-Sum |
7 | QDE | Quantum Detection Efficiency |
7 | RDD | Residual Dark-current Distribution |
2 | RGS | Reflection Grating Spectrometer (on XMM-Newton) |
4 | RFA | Research Focus Area |
3 | RPS | Remote Proposal Submission tool |
3 | SAA | South Atlantic Anomaly |
2 | S/C | Spacecraft |
6 | SIS | Solid-state Imaging Spectrometer (on ASCA) |
1 | SWG | Science Working Group |
7 | TCE | TEC Control Electronics |
7 | TEC | Thermo-Electric Coolers |
1 | TOO | Target Of Opportunity |
2 | USC | Uchinoura Space Center |
1 | XIS | X-Ray Imaging Spectrometer |
1 | XRS | X-Ray Spectrometer |
1 | XRT | X-Ray Telescope |
1 | XRT-I | X-Ray Telescope for one of the four XIS detectors |
1 | XRT-S | X-Ray Telescope for the XRS detector |