For segmented exposure products, this keyword gives the number of the first integration contained within the segment.
| Attribute | Value |
|---|---|
| data type | integer |
| enumerated Values | not defined |
| units | |
| example | 1042 |
| default value | |
| special processing | OPTIONAL |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | |
| DB destination | ['ScienceCommon.intstart', 'GuideStar.intstart'] |
| data type in DB | int |
| instrument | Multiple |
| mode | All |
| product level | 1a |
| FITS hdu | PRIMARY |
| FITS header section | Exposure |