Physical units of CRVAL and CDELT for axis 3. Units for celestial coordinate systems defined in the FITS standard must be degrees.
| Attribute | Value |
|---|---|
| data type | string |
| enumerated Values | not defined |
| units | |
| example | |
| default value | |
| special processing | OPTIONAL |
| source | Science and Operations Center Project Reference Database (PRD) |
| software source | |
| calculation | |
| DB destination | ['ScienceCommonExt.cunit3'] |
| data type in DB | nvarchar(40) |
| instrument | Multiple |
| mode | All |
| product level | 2b |
| FITS hdu | SCI |
| FITS header section | WCS Parameters |