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Table: decaps_dr1.meas
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| airmass | Airmass extinction | DOUBLE |
| chip_id | CCD number (one of 1,2,3,4) | INTEGER |
| dec | Declination (deg) | DOUBLE |
| decapsid | Unique identifier | BIGINT |
| dflux | flux uncertainty | REAL |
| dfluxlbs | fluxlbs uncertainty | REAL |
| dx | x coordinate uncertainty | REAL |
| dy | y coordinate uncertainty | REAL |
| elat | Ecliptic latitude (deg) | DOUBLE |
| elon | Ecliptic longitude (deg) | DOUBLE |
| exptime | Exposure time (sec) | REAL |
| filterid | Filter (one of g,r,i,z,Y) | CHAR |
| flags | Community Pipeline flag value at central pixel | INTEGER |
| flux | Instrumental flux (ADU) | REAL |
| fluxlbs | local-background-subtracted flux (ADU) | REAL |
| fracflux | PSF-weighted fraction of flux from this source | REAL |
| fwhm | Full width at half maximum of PSF (pix) | REAL |
| gain | gain at source location (e-/ADU) | REAL |
| glat | Galactic latitude (deg) | DOUBLE |
| glon | Galactic longitude (deg) | DOUBLE |
| htm9 | HTM index (order 9 => ~10 arcmin size) | INTEGER |
| mag | Magnitude | REAL |
| mag_err | Magnitude uncertainty | REAL |
| mjd_obs | Modified Julian Date of the observation | DOUBLE |
| nest4096 | HEALPIX index (Nsides 4096, Nest scheme => ~52 arcsec size) | INTEGER |
| psf | Octant of CCD where model was instantiated (1-8) | INTEGER |
| qf | Quality factor, PSF-weighted fraction of good pixels | REAL |
| ra | Right ascension (deg) | DOUBLE |
| rchi2 | PSF-weighted fraction average chi^2 | REAL |
| ring256 | HEALPIX index (Nsides 256, Ring scheme => ~14 arcmin size) | INTEGER |
| sky | sky at source location (ADU) | REAL |
| snr | Signal-to-noise ratio | REAL |
| x | x coordinate in the CCD (pix) | DOUBLE |
| y | y coordinate in the CCD (pix) | DOUBLE |
| zp | Zero point (mag) | REAL |
