T if zero frame was read separately. The first frame of an integration may be read out separately, even if that frame is also averaged into the first group of the integration. If there is a zero frame readout, there will be one for each integration. The zero frame will be stored in a data array in a separate fits extension.
| Attribute | Value |
|---|---|
| data type | boolean |
| enumerated Values | not defined |
| units | |
| example | F |
| default value | F |
| special processing | not defined |
| source | Science Image Header |
| software source | |
| calculation | If Group ID = 0 (in sci_img_hdr), then a zero frame readout is identified |
| DB destination | ['ScienceCommon.zerofram', 'GuideStar.zerofram'] |
| data type in DB | nchar(1) |
| instrument | Multiple |
| mode | All |
| product level | 1a |
| FITS hdu | PRIMARY |
| FITS header section | Exposure |