J/MNRAS/435/3444ivo://CDS.VizieR/J/MNRAS/435/3444doi:10.26093/cds/vizier.74353444CDSPovic M.Huertas-Company M.Aguerri J.A.L.Marquez I.Masegosa J.,Husillos C.Molino A.Cristobal-Hornillos D.Perea J.Benitez N.,Del Olmo A.Fernandez-Soto A.Jimenez-Teja Y.Moles M.Alfaro E.,Aparicio-Villegas T.Ascaso B.Broadhurst T.Cabrera-Cano J.,Castander F.J.Cepa J.Fernandez Lorenzo M.Cervino M.,Gonzalez Delgado R.M.Infante L.Lopez-Sanjuan C.Martinez V.J.,Matute I.Oteo I.Perez-Garcia A.M.Prada F.Quintana J.M.2024-08-06T20:17:15Z2014-11-12T11:49:32ZCDS support team

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

cds-question@unistra.frsurveysgalaxiescatalogsgalaxy-classification-systemsAdvanced Large Homogeneous Area Medium Band Redshift Astronomical (ALHAMBRA) is photometric survey designed to trace the cosmic evolution and cosmic variance. It covers a large area of ~4deg^2^ in eight fields, where seven fields overlap with other surveys, allowing us to have complementary data in other wavelengths. All observations were carried out in 20 continuous, medium band (30nm width) optical and 3 near-infrared (JHK) bands, providing the precise measurements of photometric redshifts. In addition, morphological classification of galaxies is crucial for any kind of galaxy formation and cosmic evolution studies, providing the information about star formation histories, their environment and interactions, internal perturbations, etc. We present a morphological classification of >40000 galaxies in the ALHAMBRA survey. We associate to every galaxy a probability to be early type using the automated Bayesian code galsvm. Despite of the spatial resolution of the ALHAMBRA images (~1arcsec), for 22051 galaxies, we obtained the contamination by other type of less than 10 percent. Of those, 1640 and 10322 galaxies are classified as early- (down to redshifts ~0.5) and late-type (down to redshifts ~1.0), respectively, with magnitudes F_613W_<=22.0. In addition, for magnitude range 22.0<F_613W_<=23.0, we classified other 10089 late-type galaxies with redshifts <=1.3. We show that the classified objects populate the expected regions in the colour-mass and colour-magnitude planes. The presented data set is especially attractive given the homogeneous multiwavelength coverage available in the ALHAMBRA fields, and is intended to be used in a variety of scientific applications. The low-contamination catalogue (<10 percent) is made publicly available with this paper.2013MNRAS.435.3444Phttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/435/3444CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/435/3444https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/435/3444http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/435/3444https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/435/3444https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/435/3444http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/435/3444GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/435/3444/tablea1 (Morphological catalogue of 22051 galaxies classified classified in the ALH survey with contamination<10%)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/435/3444/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/435/3444/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/435/3444/tablea1?GETtext/xml+votable180.050000true37.436481.264531110.0055555555555555565/2856 6814 6/5819 5822 7184-7185 10147 10150 10153 10155-10156 11227 11230 11249 11252 17766-17767 17772-17773 19691-19692 19694-19695 200362.1896191463642016e-19 4.499501778968047e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/435/3444?format=asciiOpticaldefaultJ/MNRAS/435/3444/tablea1Morphological catalogue of 22051 galaxies classified classified in the ALH survey with contamination<10%ID[1/22051] Sequential numbermeta.id;meta.mainintprimaryf_ID[0/2] SExtractor flag: 0=good, 2=possibly blended sources (FLAGS)meta.codeintell[0/1] source ellipticity (ELLIPTICITY)src.ellipticityfloatASYM[-0.1/1] galSVM asymmetry index (5)src.morph.paramfloatCAbr[0/1] galSVM Abraham concentration index (fluxes at 30 and 90% radius) (CABR) (5)phys.size;arith.ratiofloatGini[0/1] galSVM Gini coefficient (GINI) (5)stat.fit.paramfloatSmooth[-0.1/1] galSVM source smoothness, measures relevance of small-scale structures (5)meta.notefloate_pETrms uncertainty on pET (errpE10-AVG)stat.errorfloatCl[ET/LT] Final morphological class (Early or Late) (CLASS) (4)meta.code;src.morphcharzph[0/1.3] Photometric redshift (REDSHIFT) (2)src.redshiftfloatFieldALH field, pointing and CCD (FIELD_P_CCD)meta.id;obs.fieldchar<SuBr>Mean surface brightness measured by galSVM (MUMEAN) (5)mag.arcsec**-2phot.mag.sbfloatIDphIdentification number in the photometric catalogue (ID_phot) (1)meta.idintIDz[81421100234/81482410356] Identification number in the photometric redshift catalogue (ID_zphot) (2)meta.idRAJ2000Right ascension of the centroid (RA) (J2000)degpos.eq.ra;meta.mainindexedDEJ2000Declination of the centroid (DEC) (J2000)degpos.eq.dec;meta.mainindexedF458WApparent magnitude in the F458W band (m458)magphot.mag;em.opt.Bfloate_F458Wrms uncertainty on F458W (errm458)magstat.errorfloatF613WApparent magnitude in the F613W band (m613)magphot.mag;em.opt.Rfloate_F613Wrms uncertainty on F613W (errm613)magstat.errorfloatF892WApparent magnitude in the F892W band (m892)magphot.magfloate_F892Wrms uncertainty on F892W (errm892)magstat.errorfloatlogR50[-0.5/1.3] log(radius at 50% of flux)log(kpc)phys.size.radiusfloatlogR90[-0.1/2.0]? log(radius at 90% of flux)log(kpc)phys.size.radiusfloatnullableM20[-2.4/0] galSVM M_20_ moment of light (5)stat.fit.paramfloatCCon[1/4.2] galSVM Conselice-Bershady concentration index (ratio of circular radii with 20% and 80% of total flux) (CCON) (5)phys.size;arith.ratiofloatpET[0/1] Averaged probability that the galaxy is ET (early-type) (pE10-AVG) (3)stat.fit.goodnessfloat