| Term | Definition |
|---|---|
| ACS | Attitude Control System |
| ADF | Area Definition File |
| APID | ? |
| ATS | Absolute Time Sequence |
| CCB | Change Control Board |
| DTAS | ? |
| FOT | ? |
| FPA | Focal Plane Array |
| GDS | Ground Data System??? |
| GSFC | Goddard Space Flight Center (in Maryland) |
| ICD | Interface Control Document |
| IOC | In Orbit Checkout (first week of mission) |
| OBSID | Observation identification number |
| QA | Quality Analysis or Quality Assurance |
| REGOTL | Regular Observing Timeline |
| RTS | Relative Time Sequence |
| SMEX | NASA Small Explorer Mission |
| SOC | Science Operations Center (IPAC 2nd floor) |
| SODA | Science Operations and Data Analysis. |
| segment | Observation of an area during an orbit. Consists of several WIRE frames. |
| spin time | Exposure time of one subframe. |
| State | Current status of an observation segment (description). |
| STP | Stellar Pointing mode |
| subframe | Exposure time of one subframe. |
| WIEbox | WIRE Instrument Electronics box |
| WIRE | Wide Field Infrared Explorer |
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