Observatory UTC time when guide star activity started
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | not defined |
| units | |
| example | 1999-01-01 01:01:01 |
| default value | |
| special processing | OPTIONAL |
| source | Observatory Status File (OSF) |
| software source | METRICS:gsAcq.executedStartTime |
| calculation | |
| DB destination | ['ScienceCommon.gsstrttm', 'GuideStar.gsstrttm'] |
| data type in DB | datetime2 |
| instrument | Multiple |
| mode | All |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Guide star Information |