This value can be either a NIRCam primary dither pattern type (included when an FGS External Calibration dither is in parallel with NIRCam Engineering Imaging with possible values: FULL, FULLBOX, INTRAMODULE, INTRAMODULEBOX, INTRAMODULEX, INTRASCA, SUBARRAY_DITHER, WFSC, NONE) or a NIRISS primary dither pattern type (included when an FGS External Calibration dither is in parallel with NIRISS External Calibration with possible values: AMI, IMAGING, MIMF, WFSS, NONE).
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | ['NONE', 'FULL', 'FULLBOX', 'INTRAMODULE', 'INTRAMODULEBOX', 'INTRAMODULEX', 'INTRASCA', 'SUBARRAY_DITHER', 'WFSC', 'AMI', 'IMAGING', 'MIMF', 'WFSS'] |
| units | |
| example | FULL |
| default value | |
| special processing | OPTIONAL |
| source | Proposal and Planning System (PPS) |
| software source | |
| calculation | |
| DB destination | ['ScienceCommon.patttype'] |
| data type in DB | nvarchar(31) |
| instrument | NIRCAM |
| mode | ['NRC_FLAT', 'NRC_IMAGE', 'NRC_WFSS'] |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Dither |