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(The bold columns are indexed columns)
Column NameDescriptionDatatype
bricknameName of the brickCHAR
decDec of the center of the brickDOUBLE
ebvMedian SFD dust map E(B-V) extinction, in magnitudes, evaluated at BRICK_UNIQUE objects in this brickREAL
ext_gREAL
ext_rREAL
ext_w1REAL
ext_w2REAL
ext_w3REAL
ext_w4REAL
ext_zREAL
galdepth_gREAL
galdepth_rREAL
galdepth_zREAL
ncompTotal number of BRICK_UNIQUE objects in this brick of COMP typesSMALLINT
ndevTotal number of BRICK_UNIQUE objects in this brick of DEV typesSMALLINT
nexpTotal number of BRICK_UNIQUE objects in this brick of EXP typesSMALLINT
nexp_gMedian number of exposures in the unique are (i.e. BRICK_PRIMARY area) of the brick in the g-bandSMALLINT
nexp_rMedian number of exposures in the unique are (i.e. BRICK_PRIMARY area) of the brick in the r-bandSMALLINT
nexp_zMedian number of exposures in the unique are (i.e. BRICK_PRIMARY area) of the brick in the z-bandSMALLINT
nexphist_g_1Histogram of number of pixels in the unique brick area with 0,1,2,3,4 or 5 exposures in gINTEGER
nexphist_g_2INTEGER
nexphist_g_3INTEGER
nexphist_g_4INTEGER
nexphist_g_5INTEGER
nexphist_g_6INTEGER
nexphist_r_1Histogram of number of pixels in the unique brick area with 0,1,2,3,4 or 5 exposures in rINTEGER
nexphist_r_2INTEGER
nexphist_r_3INTEGER
nexphist_r_4INTEGER
nexphist_r_5INTEGER
nexphist_r_6INTEGER
nexphist_z_1Histogram of number of pixels in the unique brick area with 0,1,2,3,4 or 5 exposures in zINTEGER
nexphist_z_2INTEGER
nexphist_z_3INTEGER
nexphist_z_4INTEGER
nexphist_z_5INTEGER
nexphist_z_6INTEGER
nobjsTotal number of BRICK_UNIQUE objects in this brick of all typesSMALLINT
npsfTotal number of BRICK_UNIQUE objects in this brick of PSF typesSMALLINT
nsimpTotal number of BRICK_UNIQUE objects in this brick of SIMP typesSMALLINT
psfdepth_gREAL
psfdepth_rREAL
psfdepth_zREAL
psfsize_gMedian PSF size, in arcsec, evaluated at the BRICK_UNIQUE objects in this brick in g-bandREAL
psfsize_rMedian PSF size, in arcsec, evaluated at the BRICK_UNIQUE objects in this brick in r-bandREAL
psfsize_zMedian PSF size, in arcsec, evaluated at the BRICK_UNIQUE objects in this brick in z-bandREAL
raRA of the center of the brickDOUBLE
trans_gMedian Milky Way dust transparency in g-band, based on ebv. See also DECAM_MW_TRANSMISSIONREAL
trans_rMedian Milky Way dust transparency in r-band, based on ebv. See also DECAM_MW_TRANSMISSIONREAL
trans_wise_1Median Milky Way dust transparency in W1-band, based on ebv. See also DECAM_MW_TRANSMISSIONREAL
trans_wise_2Median Milky Way dust transparency in W2-band, based on ebv. See also DECAM_MW_TRANSMISSIONREAL
trans_wise_3Median Milky Way dust transparency in W3-band, based on ebv. See also DECAM_MW_TRANSMISSIONREAL
trans_wise_4Median Milky Way dust transparency in W4-band, based on ebv. See also DECAM_MW_TRANSMISSIONREAL
trans_zMedian Milky Way dust transparency in z-band, based on ebv. See also DECAM_MW_TRANSMISSIONREAL
wise_nobs_1Number of W1 observationsSMALLINT
wise_nobs_2Number of W2 observationsSMALLINT
wise_nobs_3Number of W3 observationsSMALLINT
wise_nobs_4Number of W4 observationsSMALLINT