The SIMPLE keyword is required to be the first keyword in the primary header of all standard FITS files and is not permitted in extention headers. The value shall contain a logical constant with the value T if the file conforms to this standard.
| Attribute | Value |
|---|---|
| data type | boolean |
| enumerated Values | not defined |
| units | |
| example | T |
| default value | T |
| special processing | not defined |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | |
| DB destination | [] |
| data type in DB | nchar(1) |
| instrument | Multiple |
| mode | All |
| product level | 1a |
| FITS hdu | PRIMARY |
| FITS header section | Basic |