NIRCam subpixel dither pattern type, included when an FGS External Calibration dither is in parallel with NIRCam Engineering Imaging. Possible values are STANDARD, SMALL-GRID-DITHER, NONE
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | ['STANDARD', 'SMALL_GRID_DITHER', 'NONE'] |
| units | |
| example | STANDARD |
| default value | |
| special processing | OPTIONAL |
| source | Proposal and Planning System (PPS) |
| software source | |
| calculation | |
| DB destination | ['NircamScience.subpxpat'] |
| data type in DB | nvarchar(35) |
| instrument | NIRCAM |
| mode | ['NRC_IMAGE', 'NRC_CORON', 'NRC_WFSS'] |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Dither |