The TIMEUNIT keyword defines the units of all time-related keywords in a FITS header, with a default of seconds. This keyword does not apply to time instances and durations where keyword values have an implied or required time unit or representation, such as DATE-BEG, MJD-BEG, etc.
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | not defined |
| units | |
| example | s |
| default value | s |
| special processing | |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | |
| DB destination | [] |
| data type in DB | |
| instrument | ALL |
| mode | All |
| product level | 1a |
| FITS hdu | PRIMARY |
| FITS header section | Basic |