Time between start of successive groups in units of seconds.
| Attribute | Value |
|---|---|
| data type | float |
| enumerated Values | not defined |
| units | seconds |
| example | 2.77504 |
| default value | |
| special processing | VALUE_REQUIRED |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | (GROUPGAP+NFRAMES)*TFRAME |
| DB destination | ['ScienceCommon.tgroup', 'GuideStar.tgroup'] |
| data type in DB | float |
| instrument | Multiple |
| mode | All |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Exposure |