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Table: unwise_dr1.object
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| coadd_id | Unique astrometric footprint string encoding the tile central (RA, Dec) coordinates. For example, the tile centered at (RA, Dec) = (130.04,-18.17) has coadd_id = 1300m182. | VARCHAR |
| dec | W1 position, if available; otherwise W2 position | DOUBLE |
| dec12_w1 | Positions from individual-image catalogs | DOUBLE |
| dec12_w2 | Positions from individual-image catalogs | DOUBLE |
| dflux_w1 | uncertainty in W1 flux (statistical only) | REAL |
| dflux_w2 | uncertainty in W2 flux (statistical only) | REAL |
| dfluxlbs_w1 | uncertainty in local-background-subtracted flux in W1 | REAL |
| dfluxlbs_w2 | uncertainty in local-background-subtracted flux in W2 | REAL |
| dspread_model_w1 | uncertainty in spread_model for W1 | REAL |
| dspread_model_w2 | uncertainty in spread_model for W2 | REAL |
| dx_w1 | uncertainty in W1 x position | REAL |
| dx_w2 | uncertainty in W2 x position | REAL |
| dy_w1 | uncertainty in W1 y position | REAL |
| dy_w2 | uncertainty in W2 y position | REAL |
| elat | Ecliptic Latitude | DOUBLE |
| elon | Ecliptic Longitude | DOUBLE |
| flags_info_w1 | additional informational flags at central pixel for W1 | SMALLINT |
| flags_info_w2 | additional informational flags at central pixel for W2 | SMALLINT |
| flags_unwise_w1 | unWISE Coadd Flags flags at central pixel for W1 | SMALLINT |
| flags_unwise_w2 | unWISE Coadd Flags flags at central pixel for W2 | SMALLINT |
| flux_w1 | W1 flux (Vega nMgy) | REAL |
| flux_w2 | W2 flux (Vega nMgy) | REAL |
| fluxlbs_w1 | local-background-subtracted flux (Vega nMgy) in W1 | REAL |
| fluxlbs_w2 | local-background-subtracted flux (Vega nMgy) in W2 | REAL |
| fracflux_w1 | fraction of W1 flux in this objects PSF that comes from this object | REAL |
| fracflux_w2 | fraction of W2 flux in this objects PSF that comes from this object | REAL |
| fwhm_w1 | full-width at half-maximum of PSF (pixels) in W1 | REAL |
| fwhm_w2 | full-width at half-maximum of PSF (pixels) in W2 | REAL |
| glat | Galactic Latitude | DOUBLE |
| glon | Galactic Longitude | DOUBLE |
| htm9 | HTM index (order 9 => ~10 arcmin size) | INTEGER |
| mag_w1_vg | W1 magnitude [Vega] | REAL |
| mag_w2_vg | W2 magnitude [Vega] | REAL |
| nest4096 | HEALPIX index (Nsides 4096, Nest scheme => ~52 arcsec size | INTEGER |
| nm_w1 | number of single-exposure W1 images of this part of sky in coadd | SMALLINT |
| nm_w2 | number of single-exposure W2 images of this part of sky in coadd | SMALLINT |
| primary | the center of this source is in the primary region of its coadd | SMALLINT |
| primary12_w1 | the center of this source is in the primary region of its coadd (i2 for 2 digit integer) | SMALLINT |
| primary12_w2 | the center of this source is in the primary region of its coadd (i2 for 2 digit integer) | SMALLINT |
| qf_w1 | quality factor for W1 | REAL |
| qf_w2 | quality factor for W2 | REAL |
| ra | W1 position, if available; otherwise W2 position | DOUBLE |
| ra12_w1 | Positions from individual-image catalogs | DOUBLE |
| ra12_w2 | Positions from individual-image catalogs | DOUBLE |
| random_id | Random ID in the range 0.0 => 100.0 | REAL |
| rchi2_w1 | average X^2 per pixel, weighted by PSF, for W1 | REAL |
| rchi2_w2 | average X^2 per pixel, weighted by PSF, for W2 | REAL |
| ring256 | HEALPIX index (Nsides 256 => ~14 arcmin size) | INTEGER |
| sky_w1 | sky (Vega nMgy) in W1 | REAL |
| sky_w2 | sky (Vega nMgy) in W2 | REAL |
| spread_model_w1 | SExtractor spread_model parameter for W1 | REAL |
| spread_model_w2 | SExtractor spread_model parameter for W2 | REAL |
| unwise_detid_w1 | unique ID | VARCHAR |
| unwise_detid_w2 | unique ID | VARCHAR |
| unwise_objid | unique object id | VARCHAR |
| w1_w2_vg | W1-W2 color [Vega] | REAL |
| x_w1 | W1 channel x coordinate (pix) | DOUBLE |
| x_w2 | W2 channel x coordinate (pix) | DOUBLE |
| y_w1 | W1 channel y coordinate (pix) | DOUBLE |
| y_w2 | W2 channel y coordinate (pix) | DOUBLE |
