The sequential segment number in a single exposure of a Time Series Observation.
| Attribute | Value |
|---|---|
| data type | integer |
| enumerated Values | not defined |
| units | |
| example | 3 |
| default value | |
| special processing | OPTIONAL |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | |
| DB destination | ['ScienceCommon.exsegnum'] |
| data type in DB | int |
| instrument | ALL |
| mode | NRC_TSIMAGE (always), NRC_TSGRISM (always), MIR_IMAGE (allowed, default=no), MIR_MRS (allowed, default=no), MIR_LRS-SLITLESS (allowed, default=no), NRS_BRIGHTOBJ (always), NIS_SOSS (allowed, default=yes) |
| product level | 1a |
| FITS hdu | PRIMARY |
| FITS header section | Exposure |