cs82morphoz.mainivo://org.gavo.dc/cs82morphoz/q/mainThe GAVO DC teamSoo, John Y HMoraes, BrunoJoachimi, BenjaminHartley, WilliamLahav, OferCharbonnier, AldéeMakler, MartínPereira, Maria E SComparat, JohanErben, ThomasLeauthaud, AlexieShan, HuanyuanVan Waerbeke, Ludovic2021-12-16T08:56:56ZGAVO Data Centre Team

Mönchhofstrasse 12-14, D-69120 Heidelberg

gavo@ari.uni-heidelberg.de+49 6221 54 1837redshift-surveysbroad-band-photometrygalaxy-distancesgalaxy-structure This is a catalogue of photometric redshifts of galaxies in the Stripe 82 obtained when morphology (galaxy size, ellipticity, Sérsic index, and surface brightness) are included in training on galaxy samples from the SDSS and the CFHT Stripe-82 Survey (CS82). Our redshifts yield a 68th percentile error of 0.058(1 + z), and a outlier fraction of 5.2 per cent.2018MNRAS.475.3613Shttps://dc.g-vo.org/tableinfo/cs82morphoz.mainOpticalcs82morphoz This is a catalogue of photometric redshifts of galaxies in the Stripe 82 obtained when morphology (galaxy size, ellipticity, Sérsic index, and surface brightness) are included in training on galaxy samples from the SDSS and the CFHT Stripe-82 Survey (CS82). Our redshifts yield a 68th percentile error of 0.058(1 + z), and a outlier fraction of 5.2 per cent.cs82morphoz.main This is a catalogue of photometric redshifts of galaxies in the Stripe 82 obtained when morphology (galaxy size, ellipticity, Sérsic index, and surface brightness) are included in training on galaxy samples from the SDSS and the CFHT Stripe-82 Survey (CS82). Our redshifts yield a 68th percentile error of 0.058(1 + z), and a outlier fraction of 5.2 per cent.5800000objid_cs82Identifier built as im_num*1000000+se_idmeta.id;meta.main5675056558.6788027318.0168034150.981722278421.0intindexedprimaryraICRS Right Ascensiondegpos.eq.ra;meta.main0.0002067622.5797240.4515357.0043601doubleindexednullabledecICRS Declinationdegpos.eq.dec;meta.main-1.28482-0.961096-0.05497160.8761881.228251doubleindexednullableflagsSource extraction quality flag (ranges from 0 to 3, with 0 being the best)meta.code00.00.03.031.0shortweightlensFit shape measurement confidence. weight>0 indicates good shape measurementstat.weight007.7034515.538415.5631floatnullablefitclasslensFit star-galaxy classifier: 1=stars; 0=galaxies; -1=no usable data; -2=blended objects; -3=miscellaneous reasons; -4=chi-square exceeded critical valuemeta.code;src.class-4-2.00.00.011.0shortmag_autoCS82 Kron i-band magnitudemagphot.mag;em.opt.i15.401119.703722.757823.94324.21floatindexednullablemagerr_autoCS82 Kron i-band magnitude error. Signal-to-noise ratio is 1.086/MAGERR_AUTOmagstat.error;phot.mag;em.opt.i0.0002210160.005301010.05285830.10470.10861floatnullablemag_expCS82 exponential fit i-band magnitudemagphot.mag;em.opt.i14.228219.728722.681323.828724.42231floatnullablemag_psfCS82 PSF i-band magnitudemagphot.mag;em.opt.i16.855220.662323.32924.387824.81floatnullablereff_expExponential fit effective radiusarcsecphys.angsize;src0.1300080.2146830.5160231.520128.984911floatnullableaspect_expExponential fit axis-ratiosrc.morph.param0.03600280.1355070.5547260.9402950.9999961floatnullablemu_mean_expExponential fit mean surface brightnessmag/arcsec**2phot.mag.sb;em.opt.i17.203120.099222.28424.226825.21floatnullablep_expExponential shape probability: ~1 -> disc galaxy; ~0 -> elliptical galaxystat.fit.goodness0.1822790.4779520.5007720.5414390.8194761floatnullablen_serSersic indexstat.fit.param0.30.3520512.254248.8367101floatnullablespread_model_serSersic spread model, the star-galaxy separator we used for this study. All objects in this catalogue have SPREAD_MODEL_SER>0.008, which are considered extended objects (galaxies).stat.fit.param0.008000010.008819290.01833860.033171214695.81floatnullablelensLensing tag. Objects with lens=1 are objects from the lensing subsample (fitclass=0, weight>0)meta.code00.01.01.011.0shortobjid_sdssSDSS object ID for objects with matched ugriz broadband magnitudes (if available)meta.id.cross-9223372036854775808-9.223372036854776e+188.647474692489348e+188.647475121987258e+1886474751225259653211.0longnullablemag_dered_uSDSS dereddened u-band magnitudemagphot.mag;em.opt.U17.263321.85624.162629.301431.59960.822648floatnullablemag_dered_gSDSS dereddened g-band magnitudemagphot.mag;em.opt.V16.509320.818823.665325.627729.39970.822648floatnullablemag_dered_rSDSS dereddened r-band magnitudemagphot.mag;em.opt.R16.000119.858222.984224.226124.50.822648floatnullablemag_dered_iSDSS dereddened i-band magnitudemagphot.mag;em.opt.I15.455919.401622.476223.864725.19960.822648floatnullablemag_dered_zSDSS dereddened z-band magnitudemagphot.mag;em.opt.I14.851619.084722.10124.444128.79820.822648floatnullablezspecSpectroscopic redshift from source given in source_specsrc.redshift-9e-050.05089560.3582251.090737.011240.0111949floatnullablezphotPhotometric redshift estimated using inputs ugriz+morphologysrc.redshift0.02162620.2382850.8080471.196871.812910.822648floatnullablezmorphPhotometric redshift estimated using inputs i+morphologysrc.redshift0.01842690.3665350.908161.150573.40282e+381floatnullablezbestBest redshift for this object, in order of priority: zspec, zphot, zmorphsrc.redshift0.004540040.2527790.847411.209823.40282e+381floatindexednullableodds_photOdds value for zphotstat.fit.goodness0.04013940.3628110.6641660.92072410.822648floatnullableodds_morphOdds value for zmorphstat.fit.goodness0.02046160.2585220.4578180.66786610.999999floatnullableodds_bestOdds value for zbest (=1 if zspec is used)stat.fit.goodness0.02046160.3215290.6233540.92378811floatnullablesource_specSource of spectroscopy: SDSS, BOSS, DEEP2, WIGGLEZ or VVDSmeta.bibcharnullableclass_specClass of object based on spectral fit: GALAXY or QSOmeta.code.classcharnullable