Identifies the version of the CRDS context (PMAP file) that was used to control the logic involved in selecting certain versions or instances of calibration reference files.
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | not defined |
| units | |
| example | |
| default value | |
| special processing | OPTIONAL |
| source | Calibration Software |
| software source | |
| calculation | |
| DB destination | ['ScienceRefData.crds_ctx', 'GuideStarRefData.crds_ctx'] |
| data type in DB | nvarchar(20) |
| instrument | Multiple |
| mode | All |
| product level | 2a |
| FITS hdu | PRIMARY |
| FITS header section | Reference file information |