Total duration of the exposure, including dead times; computed as the difference between exposure end and start times; equivalent to keyword DURATION (seconds).
| Attribute | Value |
|---|---|
| data type | float |
| enumerated Values | not defined |
| units | seconds |
| example | 3999.632 |
| default value | |
| special processing | VALUE_REQUIRED |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | input('MJD-END') - ('MJD-BEG') |
| DB destination | ['ScienceCommonExt.telapse'] |
| data type in DB | float |
| instrument | ALL |
| mode | All |
| product level | 1b |
| FITS hdu | SCI |
| FITS header section | Exposure |