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| Column Name | Description | Datatype |
|---|---|---|
| brickname | Name of the brick | CHAR |
| dec | Dec of the center of the brick | DOUBLE |
| ebv | Median SFD dust map E(B-V) extinction, in magnitudes, evaluated at BRICK_UNIQUE objects in this brick | REAL |
| ncomp | Total number of BRICK_UNIQUE objects in this brick of COMP types | SMALLINT |
| ndev | Total number of BRICK_UNIQUE objects in this brick of DEV types | SMALLINT |
| nexp | Total number of BRICK_UNIQUE objects in this brick of EXP types | SMALLINT |
| nexp_g | Median number of exposures in the unique are (i.e. BRICK_PRIMARY area) of the brick in the g-band | SMALLINT |
| nexphist_g_1 | Histogram of number of pixels in the unique brick area with 0,1,2,3,4 or 5 exposures in g | INTEGER |
| nexphist_g_2 | INTEGER | |
| nexphist_g_3 | INTEGER | |
| nexphist_g_4 | INTEGER | |
| nexphist_g_5 | INTEGER | |
| nexphist_g_6 | INTEGER | |
| nexphist_r_1 | Histogram of number of pixels in the unique brick area with 0,1,2,3,4 or 5 exposures in r | INTEGER |
| nexphist_r_2 | INTEGER | |
| nexphist_r_3 | INTEGER | |
| nexphist_r_4 | INTEGER | |
| nexphist_r_5 | INTEGER | |
| nexphist_r_6 | INTEGER | |
| nexphist_z_1 | Histogram of number of pixels in the unique brick area with 0,1,2,3,4 or 5 exposures in z | INTEGER |
| nexphist_z_2 | INTEGER | |
| nexphist_z_3 | INTEGER | |
| nexphist_z_4 | INTEGER | |
| nexphist_z_5 | INTEGER | |
| nexphist_z_6 | INTEGER | |
| nexp_r | Median number of exposures in the unique are (i.e. BRICK_PRIMARY area) of the brick in the r-band | SMALLINT |
| nexp_z | Median number of exposures in the unique are (i.e. BRICK_PRIMARY area) of the brick in the z-band | SMALLINT |
| nobjs | Total number of BRICK_UNIQUE objects in this brick of all types | SMALLINT |
| npsf | Total number of BRICK_UNIQUE objects in this brick of PSF types | SMALLINT |
| nsimp | Total number of BRICK_UNIQUE objects in this brick of SIMP types | SMALLINT |
| psfsize_g | Median PSF size, in arcsec, evaluated at the BRICK_UNIQUE objects in this brick in g-band | REAL |
| psfsize_r | Median PSF size, in arcsec, evaluated at the BRICK_UNIQUE objects in this brick in r-band | REAL |
| psfsize_z | Median PSF size, in arcsec, evaluated at the BRICK_UNIQUE objects in this brick in z-band | REAL |
| ra | RA of the center of the brick | DOUBLE |
| trans_g | Median Milky Way dust transparency in g-band, based on ebv. See also DECAM_MW_TRANSMISSION | REAL |
| trans_r | Median Milky Way dust transparency in r-band, based on ebv. See also DECAM_MW_TRANSMISSION | REAL |
| trans_z | Median Milky Way dust transparency in z-band, based on ebv. See also DECAM_MW_TRANSMISSION | REAL |
