The reference frame in use for spectroscopic coordinate axes. For JWST data this Barycentric.
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | not defined |
| units | |
| example | BARYCENT |
| default value | |
| special processing | OPTIONAL |
| source | Calibration Software |
| software source | |
| calculation | |
| DB destination | ['ScienceCommonExt.specsys'] |
| data type in DB | nvarchar(8) |
| instrument | MIRI, NIRCAM, NIRISS, NIRSPEC |
| mode | MIR_MRS, MIR_LRS-FIXEDSLIT, MIR_LRS-SLITLESS, NRC_WFSS, NRS_MSASPEC, NRS_FIXEDSLIT, NRS_IFU, NIS_WFSS, NIS_SOSS |
| product level | 2b |
| FITS hdu | SCI |
| FITS header section | WCS Parameters |