J/MNRAS/410/166ivo://CDS.VizieR/J/MNRAS/410/166doi:10.26093/cds/vizier.74100166CDSLintott C.Schawinski K.Bamford S.Slosar A.Land K.Thomas D.,Edmondson E.Masters K.Nichol R.C.Raddick M.J.Szalay A.,Andreescu D.Murray P.Vandenberg J.2024-07-12T20:15:04Z2011-03-17T14:49:44ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frsurveysgalaxiesphotometryvisible-astronomysloan-photometrygalaxy-classification-systemsMorphology is a powerful indicator of a galaxy's dynamical and merger history. It is strongly correlated with many physical parameters, including mass, star formation history and the distribution of mass. The Galaxy Zoo project collected simple morphological classifications of nearly 900000 galaxies drawn from the Sloan Digital Sky Survey, contributed by hundreds of thousands of volunteers. This large number of classifications allows us to exclude classifier error, and measure the influence of subtle biases inherent in morphological classification. This paper presents the data collected by the project, alongside measures of classification accuracy and bias. The data are now publicly available and full catalogues can be downloaded in electronic format from http://data.galaxyzoo.org .2011MNRAS.410..166Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/410/166CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/MNRAS/396/818 : Blue early-type galaxies in Galaxy Zoo (Schawinski+ 2009)J/MNRAS/405/783 : Passive red spirals in Galaxy Zoo (Masters+, 2010)http://data.galaxyzoo.org : Galaxy Zoo 1 Home Pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/410/166https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/410/166http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/410/166https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/410/166https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/410/166http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/410/166GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/410/166/galaxies (Morphological classification of Main Galaxy Sample (MGS) (table 2) and additional galaxies (table 3) with combined votes including bias study data (table7))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/410/166/galaxies?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/410/166/galaxies?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/410/166/galaxies?GETtext/xml+votable180.050000true236.2470833-0.47527780.0055555555555555561/5 8 10 27 2/16-17 19 25 28 36 38 103 107 3/72-73 75 97 116 150 176-178 184 407 409-411 421 423 427 491 494 4/296-297 299 385 399 468-469 472 595 624 626 631-632 634 637 716 718 720 722 724 740 744-746 1367 1373 1375 1397 1399 1450 1599 1621-1623 1625-1627 1635 1690-1691 1701-1703 1705 1707 1961-1963 1980 1982-1983 2025 2027 2031 5/0 136-138 1192-1193 1195 1548-1549 1585 1588-1589 1593 1684-1685 1728-1729 1732-1733 1880-1882 1884 1896-1898 1900-1901 2368 2370 2372 2374-2376 2378 2421 2423 2429 2431 2500-2502 2508 2510 2515 2517-2519 2521 2523 2532 2534 2540 2542 2545 2547 2553 2555-2556 2558 2868-2870 2876 2878 2900 2902 2908 2910 2912-2913 2915 2920 2922 2932 2934 2940 2942 2968-2970 2988 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49147https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/410/166?format=asciiOpticaldefaultJ/MNRAS/410/166/galaxiesMorphological classification of Main Galaxy Sample (MGS) (table 2) and additional galaxies (table 3) with combined votes including bias study data (table7)objIDSDSS objIDmeta.id;meta.maincharprimaryindexedrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintS[M,A] Main (with spectra) or Additional samplemeta.notecharRAJ2000SDSS right ascension (J2000)pos.eq.ra;meta.mainindexedDEJ2000SDSS declination (J2000)pos.eq.dec;meta.mainindexedNTotal number of votes for each objectmeta.numberintpEFraction of votes for Elliptical categorystat.fit.goodnessfloatpcSFraction of votes for ClockWise spiralstat.fit.goodnessfloatpaSFraction of votes for AntiClockWise spiralstat.fit.goodnessfloatpEdgFraction of votes for Edge-on spiralsstat.fit.goodnessfloatpDKFraction of votes for Don't Knowstat.fit.goodnessfloatpMgFraction of votes for Mergerstat.fit.goodnessfloatpSFraction of votes for combined Spiral (S=Edg+cS+aS) categorystat.fit.goodnessfloatpE0? Fraction of votes for Elliptical categories following the debiasing procedure described in Section 3.1stat.fit.goodnessfloatnullablepS0? Fraction of votes for combined Spiral categories following the debiasing procedure described in Section 3.1stat.fit.goodnessfloatnullablefS[0/1]? Spiral flag (1)meta.codeintnullablefE[0/1]? Elliptical flag (1)meta.codeintnullablefU[0/1]? Uncertain flag (1)meta.codeintnullableNtTotal number of votes for each objectmeta.numberintNt1Mirrored 1 total number of votes for each objectmeta.numberintNt2Mirrored 2 total number of votes for each objectmeta.numberintNtmMonochrome total number of votes for each objectmeta.numberintpEmMonochrome fraction of votes for Ellipticalstat.fit.goodnessfloatpcSmMonochrome fraction of votes for ClockWise spirals categorystat.fit.goodnessfloatpaSmMonochrome fraction of votes for AntiClockWise spirals categorystat.fit.goodnessfloatpEdgmMonochrome fraction of votes for Edge-on spiralstat.fit.goodnessfloatpDKmMonochrome fraction of votes for Don't Knowstat.fit.goodnessfloatpMgmMonochrome fraction of votes for Merger categorystat.fit.goodnessfloatpSmMonochrome fraction of votes for combined Spiral (S=Edg+cS+aS) categorystat.fit.goodnessfloatSDSSDisplay the SDSS data for this galaxymeta.ref.urlcharDR7Details of the photometry for the galaxy from SDSS-DR7meta.ref.urlcharconfMeasures of confidence for this galaxymeta.ref.urlcharJ/MNRAS/410/166/table4Measures of confidenceobjIDSDSS objIDmeta.id;meta.maincharindexedrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintfUFraction of unclassified galaxies, clean sample (1)stat.fit.goodnessfloatfMFraction of misclassified galaxies, clean sample (1)stat.fit.goodnessfloat<Dp>cMean difference between raw and debiased likelihoods, clean sample (1) (3)stat.fit.goodnessfloate_<Dp>cStandard deviation of Dpstat.errorfloatfM.gFraction of misclassified galaxies, greater sample (2)stat.fit.goodnessfloat<Dp>gMean difference between raw and debiased likelihoods, Greater sample (2)stat.fit.goodnessfloate_<Dp>gStandard deviation of Dp, Greater sample (2) (3)stat.errorfloat