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Table: ls_dr8.dr8_south_dr12q
(The bold columns are indexed columns)
Column NameDescriptionDatatype
allmask_gBitwise mask set if the central pixel from all images satisfy each condition in (g)SMALLINT
allmask_rBitwise mask set if the central pixel from all images satisfy each condition in (r)SMALLINT
allmask_zBitwise mask set if the central pixel from all images satisfy each condition in (z)SMALLINT
anymask_gBitwise mask set if the central pixel from any image satisfies each condition in (g)SMALLINT
anymask_rBitwise mask set if the central pixel from any image satisfies each condition in (r)SMALLINT
anymask_zBitwise mask set if the central pixel from any image satisfies each condition in (z)SMALLINT
apflux_g_1Aperture fluxes on the co-added images in aperture of radius 0.5 arcsecREAL
apflux_g_2Aperture fluxes on the co-added images in aperture of radius 0.75 arcsecREAL
apflux_g_3Aperture fluxes on the co-added images in aperture of radius 1.0 arcsecREAL
apflux_g_4Aperture fluxes on the co-added images in aperture of radius 1.5 arcsecREAL
apflux_g_5Aperture fluxes on the co-added images in aperture of radius 2.0 arcsecREAL
apflux_g_6Aperture fluxes on the co-added images in aperture of radius 3.5arcsecREAL
apflux_g_7Aperture fluxes on the co-added images in aperture of radius 5.0 arcsecREAL
apflux_g_8Aperture fluxes on the co-added images in aperture of radius 7.0 arcsecREAL
apflux_ivar_g_1Inverse variance of FLUX_GREAL
apflux_ivar_g_2Inverse variance of FLUX_GREAL
apflux_ivar_g_3Inverse variance of FLUX_GREAL
apflux_ivar_g_4Inverse variance of FLUX_GREAL
apflux_ivar_g_5Inverse variance of FLUX_GREAL
apflux_ivar_g_6Inverse variance of FLUX_GREAL
apflux_ivar_g_7Inverse variance of FLUX_GREAL
apflux_ivar_g_8Inverse variance of FLUX_GREAL
apflux_ivar_r_1Inverse variance of FLUX_RREAL
apflux_ivar_r_2Inverse variance of FLUX_RREAL
apflux_ivar_r_3Inverse variance of FLUX_RREAL
apflux_ivar_r_4Inverse variance of FLUX_RREAL
apflux_ivar_r_5Inverse variance of FLUX_RREAL
apflux_ivar_r_6Inverse variance of FLUX_RREAL
apflux_ivar_r_7Inverse variance of FLUX_RREAL
apflux_ivar_r_8Inverse variance of FLUX_RREAL
apflux_ivar_z_1Inverse variance of FLUX_ZREAL
apflux_ivar_z_2Inverse variance of FLUX_ZREAL
apflux_ivar_z_3Inverse variance of FLUX_ZREAL
apflux_ivar_z_4Inverse variance of FLUX_ZREAL
apflux_ivar_z_5Inverse variance of FLUX_ZREAL
apflux_ivar_z_6Inverse variance of FLUX_ZREAL
apflux_ivar_z_7Inverse variance of FLUX_ZREAL
apflux_ivar_z_8Inverse variance of FLUX_ZREAL
apflux_r_1Aperture fluxes on the co-added images in aperture of radius 0.5 arcsecREAL
apflux_r_2Aperture fluxes on the co-added images in aperture of radius 0.75 arcsecREAL
apflux_r_3Aperture fluxes on the co-added images in aperture of radius 1.0 arcsecREAL
apflux_r_4Aperture fluxes on the co-added images in aperture of radius 1.5 arcsecREAL
apflux_r_5Aperture fluxes on the co-added images in aperture of radius 2.0 arcsecREAL
apflux_r_6Aperture fluxes on the co-added images in aperture of radius 3.5 arcsecREAL
apflux_r_7Aperture fluxes on the co-added images in aperture of radius 5.0 arcsecREAL
apflux_r_8Aperture fluxes on the co-added images in aperture of radius 7.0 arcsecREAL
apflux_resid_g_1Aperture fluxes on the co-added residual images in GREAL
apflux_resid_g_2Aperture fluxes on the co-added residual images in GREAL
apflux_resid_g_3Aperture fluxes on the co-added residual images in GREAL
apflux_resid_g_4Aperture fluxes on the co-added residual images in GREAL
apflux_resid_g_5Aperture fluxes on the co-added residual images in GREAL
apflux_resid_g_6Aperture fluxes on the co-added residual images in GREAL
apflux_resid_g_7Aperture fluxes on the co-added residual images in GREAL
apflux_resid_g_8Aperture fluxes on the co-added residual images in GREAL
apflux_resid_r_1Aperture fluxes on the co-added residual images in RREAL
apflux_resid_r_2Aperture fluxes on the co-added residual images in RREAL
apflux_resid_r_3Aperture fluxes on the co-added residual images in RREAL
apflux_resid_r_4Aperture fluxes on the co-added residual images in RREAL
apflux_resid_r_5Aperture fluxes on the co-added residual images in RREAL
apflux_resid_r_6Aperture fluxes on the co-added residual images in RREAL
apflux_resid_r_7Aperture fluxes on the co-added residual images in RREAL
apflux_resid_r_8Aperture fluxes on the co-added residual images in RREAL
apflux_resid_z_1Aperture fluxes on the co-added residual images in ZREAL
apflux_resid_z_2Aperture fluxes on the co-added residual images in ZREAL
apflux_resid_z_3Aperture fluxes on the co-added residual images in ZREAL
apflux_resid_z_4Aperture fluxes on the co-added residual images in ZREAL
apflux_resid_z_5Aperture fluxes on the co-added residual images in ZREAL
apflux_resid_z_6Aperture fluxes on the co-added residual images in ZREAL
apflux_resid_z_7Aperture fluxes on the co-added residual images in ZREAL
apflux_resid_z_8Aperture fluxes on the co-added residual images in ZREAL
apflux_z_1Aperture fluxes on the co-added images in aperture of radius 0.5 arcsecREAL
apflux_z_2Aperture fluxes on the co-added images in aperture of radius 0.75 arcsecREAL
apflux_z_3Aperture fluxes on the co-added images in aperture of radius 1.0 arcsecREAL
apflux_z_4Aperture fluxes on the co-added images in aperture of radius 1.5 arcsecREAL
apflux_z_5Aperture fluxes on the co-added images in aperture of radius 2.0 arcsecREAL
apflux_z_6Aperture fluxes on the co-added images in aperture of radius 3.5 arcsecREAL
apflux_z_7Aperture fluxes on the co-added images in aperture of radius 5.0 arcsecREAL
apflux_z_8Aperture fluxes on the co-added images in aperture of radius 7.0 arcsecREAL
brick_primaryTrue if the object is within the brick boundarySMALLINT
brickidBrick ID [1,662174]INTEGER
bricknameName of brick, encoding the brick sky position, e.g. 1126p222 near RA=112.6, Dec=+22.2VARCHAR
brightblobTrue if the object shares a blob with a bright (Tycho-2) starSMALLINT
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 at epoch J2000DOUBLE
dec_ivarInverse variance of DEC, excluding astrometric calibration errorsREAL
dl_uniqidDL unique IDBIGINT
dl_uniqid_strDL unique IDINTEGER
ebvGalactic extinction (E(B-V)) reddening from SFD98, used to compute DECAM_MW_TRANSMISSION and WISE_MW_TRANSMISSIONREAL
elatEcliptic LatitudeDOUBLE
elonEcliptic LongitudeDOUBLE
fiberflux_gPredicted (g)-band flux within a fiber from this object in 1 arcsec Gaussian seeingREAL
fiberflux_rPredicted (r)-band flux within a fiber from this object in 1 arcsec Gaussian seeingREAL
fiberflux_zPredicted (z)-band flux within a fiber from this object in 1 arcsec Gaussian seeingREAL
fiberidFiber IDINTEGER
fibertotflux_gPredicted (g)-band flux within a fiber from all sources at this location in 1 arcsec Gaussian seeingREAL
fibertotflux_rPredicted (r)-band flux within a fiber from all sources at this location in 1 arcsec Gaussian seeingREAL
fibertotflux_zPredicted (z)-band flux within a fiber from all sources at this location in 1 arcsec Gaussian seeingREAL
flux_gmodel flux in (g)REAL
flux_ivar_gInverse variance of FLUX_GREAL
flux_ivar_rInverse variance of FLUX_RREAL
flux_ivar_w1Inverse variance of FLUX_W1REAL
flux_ivar_w2Inverse variance of FLUX_W2REAL
flux_ivar_w3Inverse variance of FLUX_W3REAL
flux_ivar_w4Inverse variance of FLUX_W4REAL
flux_ivar_zInverse variance of FLUX_ZREAL
flux_rmodel flux in (r)REAL
flux_w1WISE model flux in (W1)REAL
flux_w2WISE model flux in (W2)REAL
flux_w3WISE model flux in (W3)REAL
flux_w4WISE model flux in (W4)REAL
flux_zmodel flux in (z)REAL
fracdevFraction of model in deVauc [0,1]REAL
fracdev_ivarInverse variance of FRACDEVREAL
fracflux_gProfile-weighted fraction of the flux from other sources divided by the total flux in (g) (typically [0,1])REAL
fracflux_rProfile-weighted fraction of the flux from other sources divided by the total flux in (r) (typically [0,1])REAL
fracflux_w1Profile-weighted fraction of the flux from other sources divided by the total flux in (W1) (typically [0,1])REAL
fracflux_w2Profile-weighted fraction of the flux from other sources divided by the total flux in (W2) (typically [0,1])REAL
fracflux_w3Profile-weighted fraction of the flux from other sources divided by the total flux in (W3) (typically [0,1])REAL
fracflux_w4Profile-weighted fraction of the flux from other sources divided by the total flux in (W4) (typically [0,1])REAL
fracflux_zProfile-weighted fraction of the flux from other sources divided by the total flux in (z) (typically [0,1])REAL
fracin_gFraction of source flux within the blob in (g), near unity for real sourcesREAL
fracin_rFraction of source flux within the blob in (r), near unity for real sourcesREAL
fracin_zFraction of source flux within the blob in (z), near unity for real sourcesREAL
fracmasked_gProfile-weighted fraction of pixels masked from all observations of this object in (g), strictly between [0,1]REAL
fracmasked_rProfile-weighted fraction of pixels masked from all observations of this object in (r), strictly between [0,1]REAL
fracmasked_zProfile-weighted fraction of pixels masked from all observations of this object in (z), strictly between [0,1]REAL
gaia_a_g_valGaia line-of-sight extinction in the G bandREAL
gaia_astrometric_excess_noiseGaia astrometric excess noiseREAL
gaia_astrometric_excess_noise_sirealGaia astrometric excess noise uncertaintyREAL
gaia_astrometric_n_good_obs_alGaia number of good astrometric observations along scan directionSMALLINT
gaia_astrometric_n_obs_alGaia number of astrometric observations along scan directionSMALLINT
gaia_astrometric_params_solvedWhich astrometric parameters were estimated for a Gaia sourceSMALLINT
gaia_astrometric_sigma5d_maxGaia longest semi-major axis of the 5-d error ellipsoidREAL
gaia_astrometric_weight_alGaia astrometric weight along scan directionREAL
gaia_duplicated_sourceGaia duplicated source flagSMALLINT
gaia_e_bp_min_rp_valGaia line-of-sight reddening E(BP-RP)REAL
gaia_phot_bp_mean_flux_over_errorealGaia BP signal-to-noiseREAL
gaia_phot_bp_mean_magGaia BP magREAL
gaia_phot_bp_n_obsGaia BP number of observationsSMALLINT
gaia_phot_bp_rp_excess_factorGaia BP/RP excess factorREAL
gaia_phot_g_mean_flux_over_errorrealGaia G band signal-to-noiseREAL
gaia_phot_g_mean_magGaia G band magREAL
gaia_phot_g_n_obsGaia G band number of observationsSMALLINT
gaia_phot_rp_mean_flux_over_errorealGaia RP signal-to-noiseREAL
gaia_phot_rp_mean_magGaia RP magREAL
gaia_phot_rp_n_obsGaia RP number of observationsSMALLINT
gaia_phot_variable_flagGaia photometric variable flagSMALLINT
gaia_pointsourceThis Gaia-DR2 source is believed to be a star, not a galaxySMALLINT
galdepth_gAs for PSFDEPTH_G but for a galaxy (0.45 arcsec exp, round) detection sensitivityREAL
galdepth_rAs for PSFDEPTH_R but for a galaxy (0.45 arcsec exp, round) detection sensitivityREAL
galdepth_zAs for PSFDEPTH_Z but for a galaxy (0.45 arcsec exp, round) detection sensitivityREAL
glatGalactic LatitudeDOUBLE
glonGalactic LongitudeDOUBLE
htm9HTM index (order 9 => ~10 arcmin size)INTEGER
lc_flux_ivar_w1_1Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_10Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_11Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_2Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_3Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_4Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_5Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_6Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_7Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_8Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w1_9Inverse variance of LC_FLUX_W1REAL
lc_flux_ivar_w2_1Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_10Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_11Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_2Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_3Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_4Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_5Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_6Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_7Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_8Inverse variance of LC_FLUX_W2REAL
lc_flux_ivar_w2_9Inverse variance of LC_FLUX_W2REAL
lc_flux_w1_1FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_10FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_11FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_2FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_3FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_4FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_5FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_6FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_7FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_8FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w1_9FLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_1FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_10FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_11FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_2FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_3FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_4FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_5FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_6FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_7FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_8FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_flux_w2_9FLUX_W2 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_1FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_10FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_11FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_2FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_3FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_4FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_5FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_6FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_7FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_8FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w1_9FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_1FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_10FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_11FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_2FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_3FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_4FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_5FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_6FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_7FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_8FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_fracflux_w2_9FRACFLUX_W1 in each of up to eleven unWISE coadd epochsREAL
lc_mjd_w1_1MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_10MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_11MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_2MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_3MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_4MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_5MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_6MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_7MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_8MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w1_9MJD_W1 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_1MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_10MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_11MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_2MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_3MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_4MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_5MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_6MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_7MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_8MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_mjd_w2_9MJD_W2 in each of up to eleven unWISE coadd epochsDOUBLE
lc_nobs_w1_1NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_10NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_11NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_2NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_3NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_4NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_5NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_6NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_7NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_8NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w1_9NOBS_W1 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_1NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_10NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_11NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_2NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_3NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_4NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_5NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_6NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_7NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_8NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_nobs_w2_9NOBS_W2 in each of eleven unWISE coadd epochsSMALLINT
lc_rchisq_w1_1RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_10RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_11RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_2RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_3RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_4RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_5RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_6RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_7RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_8RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w1_9RCHI2_W1 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_1RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_10RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_11RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_2RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_3RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_4RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_5RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_6RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_7RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_8RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
lc_rchisq_w2_9RCHI2_W2 in each of up to eleven unWISE coadd epochsREAL
ls_idUnique LS object IDBIGINT
maskbitsBitwise mask indicating that an object touches a pixel in the coadd/*/*/*maskbits* maps see http://legacysurvey.org/dr8/bitmasks/SMALLINT
mjdModified Julian DateINTEGER
mjd_maxMaximum Modified Julian Date of observations used to construct the model of this objectDOUBLE
mjd_minMinimum Modified Julian Date of observations used to construct the model of this objectDOUBLE
mw_transmission_gGalactic transmission in (g) filter in linear units [0,1]REAL
mw_transmission_rGalactic transmission in (r) filter in linear units [0,1]REAL
mw_transmission_w1Galactic transmission in (W1) filter in linear units [0,1]REAL
mw_transmission_w2Galactic transmission in (W2) filter in linear units [0,1]REAL
mw_transmission_w3Galactic transmission in (W3) filter in linear units [0,1]REAL
mw_transmission_w4Galactic transmission in (W4) filter in linear units [0,1]REAL
mw_transmission_zGalactic transmission in (z) filter in linear units [0,1]REAL
nest4096HEALPIX index (Nsides 4096, Nest scheme => ~52 arcsec sizeINTEGER
nobs_gNumber of images that contribute to the central pixel in (g): filter for this object (not profile-weighted)SMALLINT
nobs_rNumber of images that contribute to the central pixel in (r): filter for this object (not profile-weighted)SMALLINT
nobs_w1Number of images that contribute to the central pixel in (W1): filter for this object (not profile-weighted)SMALLINT
nobs_w2Number of images that contribute to the central pixel in (W2): filter for this object (not profile-weighted)SMALLINT
nobs_w3Number of images that contribute to the central pixel in (W3): filter for this object (not profile-weighted)SMALLINT
nobs_w4Number of images that contribute to the central pixel in (W4): filter for this object (not profile-weighted)SMALLINT
nobs_zNumber of images that contribute to the central pixel in (z): filter for this object (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
parallaxReference catalog parallaxREAL
parallax_ivarReference catalog inverse-variance on parallaxREAL
platePlate numberINTEGER
pmdecReference catalog proper motion in the Dec directionREAL
pmdec_ivarReference catalog inverse-variance on pmdecREAL
pmraReference catalog proper motion in the RA directionREAL
pmra_ivarReference catalog inverse-variance on pmraREAL
psfdepth_gFor a (5sigma) point source detection limit in (g), (5/sqrt(mathrm{PSFDEPTH_G})) gives flux in nanomaggies and (-2.5[log_{10}(5 / sqrt(mathrm{PSFDEPTH_G})) - 9]) gives corresponding magnitudeREAL
psfdepth_rFor a (5sigma) point source detection limit in (g), (5/sqrt(mathrm{PSFDEPTH_R})) gives flux in nanomaggies and (-2.5[log_{10}(5 / sqrt(mathrm{PSFDEPTH_R})) - 9]) gives corresponding magnitudeREAL
psfdepth_w1As for psfdepth_g (and also on the AB system) but for WISE W1REAL
psfdepth_w2As for psfdepth_g (and also on the AB system) but for WISE W2REAL
psfdepth_w3As for psfdepth_g (and also on the AB system) but for WISE W3REAL
psfdepth_w4As for psfdepth_g (and also on the AB system) but for WISE W4REAL
psfdepth_zFor a (5sigma) point source detection limit in (g), (5/sqrt(mathrm{PSFDEPTH_Z})) gives flux in nanomaggies and (-2.5[log_{10}(5 / sqrt(mathrm{PSFDEPTH_Z})) - 9]) gives corresponding 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 at epoch J2000DOUBLE
ra_ivarInverse variance of RA (no cosine term!), excluding astrometric calibration errorsREAL
rchisq_gProfile-weighted chi^2 of model fit normalized by the number of pixels in (g)REAL
rchisq_rProfile-weighted chi^2 of model fit normalized by the number of pixels in (r)REAL
rchisq_w1Profile-weighted chi^2 of model fit normalized by the number of pixels in (W1)REAL
rchisq_w2Profile-weighted chi^2 of model fit normalized by the number of pixels in (W2)REAL
rchisq_w3Profile-weighted chi^2 of model fit normalized by the number of pixels in (W3)REAL
rchisq_w4Profile-weighted chi^2 of model fit normalized by the number of pixels in (W4)REAL
rchisq_zProfile-weighted chi^2 of model fit normalized by the number of pixels in (z)REAL
ref_catReference catalog source for this star: T2 for Tycho-2, G2 for Gaia DR2, empty otherwiseVARCHAR
ref_epochReference catalog reference epoch (e.g., 2015.5 for Gaia-DR2)REAL
ref_idReference catalog identifier for this star; (mathrm{Tyc1} imes 1,000,000 + mathrm{Tyc2} imes 10 + mathrm{Tyc3}) for Tycho2; sourceid for Gaia-DR2BIGINT
releaseUnique integer denoting the camera and filter set usedSMALLINT
rerun_numberA reprocessing of an image run. The underlying imaging data is the same, just the software version and calibration may have changed.VARCHAR
ring256HEALPIX index (Nsides 256, Ring scheme => ~14 arcmin size)INTEGER
shapedev_e1Ellipticity component 1REAL
shapedev_e1_ivarInverse variance of SHAPEDEV_E1REAL
shapedev_e2Ellipticity component 2REAL
shapedev_e2_ivarInverse variance of SHAPEDEV_E2REAL
shapedev_rHalf-light radius of deVaucouleurs model (>0)REAL
shapedev_r_ivarInverse variance of R_DEVREAL
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 R_EXPREAL
typeMorphological model: PSF=stellar, REX=round exponential galaxy, DEV=deVauc, EXP=exponential, COMP=composite.VARCHAR
wise_coadd_idunWISE coadd file name for the center of each objectVARCHAR
wisemask_w1W1 bright star bitmask, (2^0) ((2^1)) for southward (northward) scansSMALLINT
wisemask_w2W2 bright star bitmask, (2^0) ((2^1)) for southward (northward) scansSMALLINT