| chip | Chip | Information about the chip | | instr.det meta.id |
| creation_date | datetime | Date this object was created | | time.epoch |
| error | float | Error on atmospheric extinction | mag / airmass | stat.error |
| extcurve | PhotExtinctionCurve | Photometric extinction curve | | |
| filter | Filter | Information about the Filter | | instr.filter meta.id |
| instrument | Instrument | Information about the instrument | | instr.obsty |
| is_valid | int | Manual/external flag to disqualify bad data (SuperFlag) | | meta.code |
| mag_id | str | Identifier for the photometric band | | instr.filter phot.mag |
| process_status | int | A flag indicating the processing status | | meta.code |
| quality_flags | int | Automatic/internal quality flag | | meta.code |
| timestamp_end | datetime | End of valid period | | time |
| timestamp_start | datetime | Start of valid period | | time |
| value | float | Atmospheric extinction | mag / airmass | |
