| coefficient | float | An additional offset | mag | arith.factor |
| coefficient_error | float | The error in the additional offset | mag | stat.error |
| color_term | float | The color term | mag | arith.factor |
| color_term_error | float | The error in the color term | mag | stat.error |
| creation_date | datetime | Date this object was created | | time.epoch |
| 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 |
| primary_band | str | First key filter mag_id | | spect instr.order |
| quality_flags | int | Automatic/internal quality flag | | meta.code |
| secondary_band | str | Second key filter mag_id | | spect instr.order |
| tertiary_band | str | Third key filter mag_id | | spect instr.order |
| timestamp_end | datetime | End of valid period | | time |
| timestamp_start | datetime | Start of valid period | | time |
