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Table: phat_v2.phot_meas
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| background | Total sky level | REAL |
| brick | Brick number, 1-23 | INTEGER |
| chi | Goodness of fit to the PSF | REAL |
| chip | Chip number | INTEGER |
| counts | Total counts | REAL |
| crowd | DolPHOT crowding parameter (difference that subtracting neighbors has on the measured magnitude of the source) | REAL |
| dateobs | UT date of observation y m | CHAR |
| dec | Declination (J2000) | DOUBLE |
| elat | Ecliptic latitude | DOUBLE |
| elon | Ecliptic longitude | DOUBLE |
| exptime | Exposure time | REAL |
| ext | Image extension, zero for base image | INTEGER |
| field | Field number, 1-18 | INTEGER |
| filter | Filter name | CHAR |
| flag | DolPHOT photometric quality flag | REAL |
| glat | Galactic latitude | DOUBLE |
| glon | Galactic longitude | DOUBLE |
| htm9 | HTM base 9 index | INTEGER |
| image | Name of image used to measure photometry | CHAR |
| magerr | Magnitude error | REAL |
| magvega | VEGA magnitude for the source | REAL |
| mjd | Modified Julian date | DOUBLE |
| nest4096 | HEALPix index (NEST scheme, NSIDE 4096) | INTEGER |
| objid | Unique object ID | CHAR |
| ra | Right ascension (J2000) | DOUBLE |
| random_id | Unique random number between 0 and 100 | REAL |
| rate | CTE-adjusted, aperture corrected count rate for the source counts | REAL |
| ring256 | HEALPix index (RING scheme, NSIDE 256) | INTEGER |
| round | DolPHOT roundness parameter | REAL |
| sharp | DolPHOT object sharpness parameter | REAL |
| snr | Signal-to-noise ratio | REAL |
| timeobs | UT time of observation h m | CHAR |
