NIRCam subpixel dither pattern type. When NIRCam is the only instrument in operation the possible values are limited to STANDARD and SMALL_GRID_DITHER. When NIRCam is prime with MIRI or NIRISS in parallel, many more types are available, such as 2_POINT, 4_POINT, 9_POINT, and Attribute Value data type string enumerated Values ['STANDARD', 'SMALL_GRID_DITHER', 'NONE', '3_POINT_WITH_MIRI_F560W', '4_POINT_WITH_MIRI_F560W', '2_POINT_WITH_MIRI_F770W', '3_POINT_WITH_MIRI_F770W', '4_POINT_WITH_MIRI_F770W', '9_POINT_WITH_MIRI_F770W', '2_POINT_WITH_MIRI_F1000W', '3_POINT_WITH_MIRI_F1000W', '4_POINT_WITH_MIRI_F1000W', '9_POINT_WITH_MIRI_F1000W', '2_POINT_WITH_MIRI_F1280W', '3_POINT_WITH_MIRI_F1280W', '4_POINT_WITH_MIRI_F1280W', '2_POINT_WITH_MIRI_F1500W', '3_POINT_WITH_MIRI_F1500W', '4_POINT_WITH_MIRI_F1500W', '9_POINT_WITH_MIRI_F1500W', '2_POINT_WITH_MIRI_F1800W', '3_POINT_WITH_MIRI_F1800W', '4_POINT_WITH_MIRI_F1800W', '9_POINT_WITH_MIRI_F1800W', '2_POINT_WITH_MIRI_F2100W', '3_POINT_WITH_MIRI_F2100W', '4_POINT_WITH_MIRI_F2100W', '9_POINT_WITH_MIRI_F2100W', '2_POINT_WITH_MIRI_F2550W', '3_POINT_WITH_MIRI_F2550W', '4_POINT_WITH_MIRI_F2550W', 'NIRCam Only', '2_POINT_LARGE_WITH_NIRISS', '2_POINT_MEDIUM_WITH_NIRISS', '3_POINT_LARGE_WITH_NIRISS', '3_POINT_MEDIUM_WITH_NIRISS', '3_POINT_SMALL_WITH_NIRISS', '4_POINT_LARGE_WITH_NIRISS', '4_POINT_MEDIUM_WITH_NIRISS', '4_POINT_SMALL_WITH_NIRISS', '9_POINT_LARGE_WITH_NIRISS', '9_POINT_MEDIUM_WITH_NIRISS', '2_POINT', '4_POINT', '9_POINT', '9_POINT_MEDIUM_WITH_NIRISS'] units example STANDARD default value special processing OPTIONAL source Proposal and Planning System (PPS) software source PPS:dms_dithers_view.subpixel_dither_type 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