Choose a database in the left panel then select the table you want!

Column NameDescriptionDatatype
allmask_gBitwise mask set if the central pixel from all images satisfy each condition in GSMALLINT
allmask_rBitwise mask set if the central pixel from all images satisfy each condition in RSMALLINT
allmask_zBitwise mask set if the central pixel from all images satisfy each condition in ZSMALLINT
anymask_gBitwise mask set if the central pixel from any image satisfy each condition in GSMALLINT
anymask_rBitwise mask set if the central pixel from any image satisfy each condition in RSMALLINT
anymask_zBitwise mask set if the central pixel from any image satisfy each condition in ZSMALLINT
brickidBrick ID [1,662174]INTEGER
bricknameName of brick, encoding the brick sky positionCHAR
brick_primaryT if the object is within the brick boundarySMALLINT
bxX position (0-indexed) of coordinates in brick image stackREAL
byY position (0-indexed) of coordinates in brick image stackREAL
dchisq_1Difference in X^2 between successfully more-complex model fitsREAL
dchisq_2Difference in X^2 between successfully more-complex model fitsREAL
dchisq_3Difference in X^2 between successfully more-complex model fitsREAL
dchisq_4Difference in X^2 between successfully more-complex model fitsREAL
dchisq_5Difference in X^2 between successfully more-complex model fitsREAL
decDeclination (ICRS)DOUBLE
decals_idUnique DECaLS object IDBIGINT
dec_ivarInverse variance of Dec, excluding astrometric calibration errorsREAL
dered_flux_gDereddened G-band fluxREAL
dered_flux_rDereddened R-band fluxREAL
dered_flux_w1Dereddened W1 fluxREAL
dered_flux_w2Dereddened W1 fluxREAL
dered_flux_w3Dereddened W1 fluxREAL
dered_flux_w4Dereddened W1 fluxREAL
dered_flux_zDereddened Z-band fluxREAL
dered_mag_gDereddened G-band magnitudeREAL
dered_mag_rDereddened R-band magnitudeREAL
dered_mag_w1Dereddened W1 magnitudeREAL
dered_mag_w2Dereddened W2 magnitudeREAL
dered_mag_w3Dereddened W3 magnitudeREAL
dered_mag_w4Dereddened W4 magnitudeREAL
dered_mag_zDereddened Z-band magnitudeREAL
ebvGalactic extinction E(B-V) reddening from SFD98, used to compute DECAM_MW_TRANSMISSION and WISE_MW_TRANSMISSIONREAL
flux_gDECam model flux in (g)REAL
flux_ivar_gInverse variance of FLUX_GREAL
flux_ivar_rInverse variance of FLUX_RREAL
flux_ivar_zInverse variance of FLUX_ZREAL
flux_rDECam model flux in (r)REAL
flux_zDECam model flux in (z)REAL
fracdevFraction of model in deVauc [0,1]REAL
fracdev_ivarInverse variance of FRACDEVREAL
fracflux_gDECam model flux in (g)REAL
fracflux_rDECam model flux in (r)REAL
fracflux_zDECam model flux in (z)REAL
fracin_gFraction of a sources flux within the blob, near unity for real sourcesREAL
fracin_rFraction of a sources flux within the blob, near unity for real sourcesREAL
fracin_zFraction of a sources flux within the blob, near unity for real sourcesREAL
fracmasked_gProfile-weighted fraction of pixels masked from all observations of this object, strictly between [0,1]REAL
fracmasked_rProfile-weighted fraction of pixels masked from all observations of this object, strictly between [0,1]REAL
fracmasked_zProfile-weighted fraction of pixels masked from all observations of this object, strictly between [0,1]REAL
galdepth_gAs for DEPTH_G but for a galaxy (0.45arcsec exp. round) detection sensitivityREAL
galdepth_rAs for DEPTH_R but for a galaxy (0.45arcsec exp. round) detection sensitivityREAL
galdepth_zAs for DEPTH_Z but for a galaxy (0.45arcsec exp. round) detection sensitivityREAL
g_rComputed (g-r) colorREAL
htm9HTM index (order 9 => ~10 arcmin size)BIGINT
mag_gConverted G magnitudeREAL
mag_rConverted R magnitudeREAL
mag_w1W1 magnitudeREAL
mag_w2W2 magnitudeREAL
mag_w3W3 magnitudeREAL
mag_w4W4 magnitudeREAL
mag_zConverted Z magnitudeREAL
mw_transmission_gGalactic transmission in (g) filters in linear units [0,1]REAL
mw_transmission_rGalactic transmission in (r) filters in linear units [0,1]REAL
mw_transmission_zGalactic transmission in (z) filters in linear units [0,1]REAL
nobs_gNo. of images that contribute to central pixel in G filter (not profile-weighted)SMALLINT
nobs_rNo. of images that contribute to central pixel in R filter (not profile-weighted)SMALLINT
nobs_zNo. of images that contribute to central pixel in Z filter (not profile-weighted)SMALLINT
objidCatalog object number within this brick; a unique identifier hash is BRICKID,OBJID; OBJID spans [0,N-1] and is contiguously enumerated within each blobINTEGER
pix256HEALPIX index (Nsides 256 => ~14 arcmin size)BIGINT
previewURL to preview image cutoutCHAR
psfdepth_gFor a 5-sigma point source detection in g, 5/sqrt(DEPTH_G) gives flux in nanomaggies and -2.5*log10((5/sqrt(DEPTH_G)-9) gives corresponging magnitudeREAL
psfdepth_rFor a 5-sigma point source detection in r, 5/sqrt(DEPTH_R) gives flux in nanomaggies and -2.5*log10((5/sqrt(DEPTH_R)-9) gives corresponging magnitudeREAL
psfdepth_zFor a 5-sigma point source detection in z, 5/sqrt(DEPTH_Z) gives flux in nanomaggies and -2.5*log10((5/sqrt(DEPTH_Z)-9) gives corresponging magnitudeREAL
psfsize_gWeighted average PSF FWHM in the g bandREAL
psfsize_rWeighted average PSF FWHM in the r bandREAL
psfsize_zWeighted average PSF FWHM in the z bandREAL
raRight Ascension (ICRS)DOUBLE
ra_ivarInverse variance of RA, excluding astrometric calibration errorsREAL
rchi2_gProfile-weighted X^2 of model fit normalized by the number of pixelsREAL
rchi2_rProfile-weighted X^2 of model fit normalized by the number of pixelsREAL
rchi2_zProfile-weighted X^2 of model fit normalized by the number of pixelsREAL
r_zComputed (r-z) colorREAL
shapedev_e1Ellipticity component 1REAL
shapedev_e1_ivarInverse variance of SHAPEDEV_E1REAL
shapedev_e2Ellipticity component 1REAL
shapedev_e2_ivarInverse variance of SHAPEDEV_E2REAL
shapedev_rHalf-light radius of deVaucouleurs model (>0)REAL
shapedev_r_ivarInverse variance of SHAPEDEV_RREAL
shapeexp_e1Ellipticity component 1REAL
shapeexp_e1_ivarInverse variance of SHAPEEXP_E1REAL
shapeexp_e2Ellipticity component 2REAL
shapeexp_e2_ivarInverse variance of SHAPEEXP_E2REAL
shapeexp_rHalf-light radius of exponential model (>0)REAL
shapeexp_r_ivarInverse variance of SHAPEEXP_RREAL
snr_gSignal-to-Noise ratio in GREAL
snr_rSignal-to-Noise ratio in RREAL
snr_w1Signal-to-Noise ratio in W1REAL
snr_w2Signal-to-Noise ratio in W2REAL
snr_w3Signal-to-Noise ratio in W3REAL
snr_w4Signal-to-Noise ratio in W4REAL
snr_zSignal-to-Noise ratio in ZREAL
typeMorphological model: PSF=stellar, EXP=exponential, DEV=deVauc, COMP=compositeCHAR
w1_w2Computed (w1-w2) colorREAL
w2_w3Computed (w2-w3) colorREAL
w3_w4Computed (w3-d4) colorREAL
z_w1Computed (z-w1 colorREAL