UTC date of the start of the exposure with format yyyy-mm-dd. The start date is calculated by Science Data Processing code (SDP) based on the science telemetry image headers time stamps and the calculated exposure duration.
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | not defined |
| units | |
| example | 2015-01-01 |
| default value | |
| special processing | VALUE_REQUIRED |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | |
| DB destination | ['ScienceCommon.date_obs'] |
| data type in DB | datetime2 |
| instrument | Multiple |
| mode | All |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Observation identifiers |