NIRSpec MSA dither pattern type. NONE when NIRSpec is the only instrument in use. When NIRSpec is prime with NIRCam imaging in parallel, additional possible values follow the syntax #_POINT_WITH_NIRCAM_SIZE<s>, where # is the number of points in the pattern (2 or 3), and <s> is the size of the pattern (1, 2, or 3).
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | ['NONE', '2-POINT-WITH-NIRCAM-SIZE1', '2-POINT-WITH-NIRCAM-SIZE2', '2-POINT-WITH-NIRCAM-SIZE3', '3-POINT-WITH-NIRCAM-SIZE1', '3-POINT-WITH-NIRCAM-SIZE2', '3-POINT-WITH-NIRCAM-SIZE3'] |
| units | |
| example | NONE |
| default value | NONE |
| special processing | not defined |
| source | Proposal and Planning System (PPS) |
| software source | PPS:dms_dithers_view.pattern_type|pps_to_scsb_translation| |
| calculation | |
| DB destination | ['ScienceCommon.patttype'] |
| data type in DB | nvarchar(31) |
| instrument | NIRSPEC |
| mode | NRS_MSASPEC |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Dither |