J/A+A/499/47ivo://CDS.VizieR/J/A+A/499/47doi:10.26093/cds/vizier.34990047CDSSanchez-Blazquez P.Jablonka P.Noll S.Poggianti B.M.Moustakas J.,Milvang-Jensen B.Halliday C.Aragon-Salamanca A.Saglia R.P.Desai V.,De Lucia G.Clowe D.I.Pello R.Rudnick G.Simard L.White S.D.M.,Zaritsky D.2017-10-12T13:00:40Z2009-07-15T19:58:28ZCDS support team

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

cds-question@unistra.frgalaxy-clustersspectroscopygalaxy-kinematicsWe present a comprehensive analysis of the stellar population properties (age, metallicity and the alpha-element enhancement [E/Fe]) and morphologies of red-sequence galaxies in 24 clusters and groups from z~0.75 to z~0.45. The dataset, consisting of 215 spectra drawn from the ESO Distant Cluster Survey, constitutes the largest spectroscopic sample at these redshifts for which such an analysis has been conducted. Analysis reveals that the evolution of the stellar population properties of red-sequence galaxies depend on their mass: while the properties of most massive are well described by passive evolution and high-redshift formation, the less massive galaxies require a more extended star formation history. We show that these scenarios reproduce the index-sigma relations as well as the galaxy colours. The two main results of this work are (1) the evolution of the line-strength indices for the red-sequence galaxies can be reproduced if 40% of the galaxies with sigma<175km/s entered the red-sequence between z=0.75 to z=0.45, in agreement with the fraction derived in studies of the luminosity functions, and (2) the percentage of galaxies in the red-sequence with early-type morphologies (E/S0) decreases by 20% from z=0.75 to z=0.45. This can be understood if the red-sequence gets populated at later times with disc galaxies with quenched star formation. We conclude that the processes quenching star formation do not necessarily produce a simultaneous morphological transformation of the galaxies entering the red-sequence.2009A&A...499...47Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/499/47CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/444/365 : ESO Distant Cluster Survey, EDisCS (White+, 2005)J/A+A/482/419 : ESO Distant Cluster Survey, EDisCS. II (Milvang-Jensen+, 2008)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/499/47https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/499/47http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/499/47https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/499/47https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/499/47http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/499/47GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/499/47/table3 (Lick/IDS spectroscopic indices and velocity dispersions)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/499/47/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/499/47/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/499/47/table3?GETtext/xml+votable180.050000true154.69623-12.18092690.0055555555555555566/25071 25327 25335 25398 25415 25418-25419 25484 25667 25676 25739 26654 26671 26676-26677 26689 26691-26692 26694 44788 44793https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/499/47?format=asciiOpticaldefaultJ/A+A/499/47/table3Lick/IDS spectroscopic indices and velocity dispersionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintEDCSNGalaxy name (JHHMMSSs-DDMMSSs)meta.id;meta.maincharm_EDCSN[.1 ] Multiplicity (for J1202432-1224227)meta.code.multipcharD4000? D4000 index (Bruzual, 1993ApJ...405..538B)0.1nmmeta.code;spect.indexfloatnullablee_D4000? Error on D40000.1nmstat.errorfloatnullableq_D4000[0/2] Quality index on D4000 (1)meta.code.qualintHdAH{delta}_A_ Lick/IDS index0.1nmspect.indexfloate_HdAError on HdA0.1nmstat.errorfloatq_HdA[0/3] Quality index on HdA (1)meta.code.qualintHdFH{delta}_F_ Lick/IDS index0.1nmspect.indexfloate_HdFError on HdF0.1nmstat.errorfloatq_HdF[0/2] Quality index on HdF (1)meta.code.qualintCN2CN_2_ Lick/IDS indexmagspect.indexfloate_CN2Error on CN2 Lick/IDS indexmagstat.errorfloatq_CN2[0/2] Quality index on CN2 (1)meta.code.qualintCa4227Ca4227 Lick/IDS index in Angstroems0.1nmmeta.code;spect.indexfloate_Ca4227Error on Ca42270.1nmstat.errorfloatq_Ca4227[0/2] Quality index on Ca4227 (1)meta.code.qualintG4300? G4300 Lick/IDS index0.1nmmeta.code;spect.indexfloatnullablee_G4300? Error on G43000.1nmstat.errorfloatnullableq_G4300[0/2] Quality index on G4300 (1)meta.code.qualintHgA? H{gamma}_A_ Lick/IDS index0.1nmspect.indexfloatnullablee_HgA? Error on HgA0.1nmstat.errorfloatnullableq_HgA[0/2] Quality index on HgA (1)meta.code.qualintHgF? H{gamma}_F_ Lick/IDS index0.1nmspect.indexfloatnullablee_HgF? Error on HgF0.1nmstat.errorfloatnullableq_HgF[0/2] Quality index on HgF (1)meta.code.qualintFe4383? Fe4383 Lick/IDS index0.1nmmeta.code;spect.indexfloatnullablee_Fe4383? Error on Fe43830.1nmstat.errorfloatnullableq_Fe4383[0/2] Quality index on Fe4383 (1)meta.code.qualintCa4455? Ca4455 Lick/IDS index0.1nmmeta.code;spect.indexfloatnullablee_Ca4455? Error on Ca44550.1nmstat.errorfloatnullableq_Ca4455[0/2] Quality index on Ca4455 (1)meta.code.qualintFe4531? Fe4531 Lick/IDS index0.1nmmeta.code;spect.indexfloatnullablee_Fe4531? Error on Fe45310.1nmstat.errorfloatnullableq_Fe4531[0/2] Quality index on Fe4531 (1)meta.code.qualintEm[1/2] Emission lines, as: 1=no emission, 2=weak emission linesmeta.noteintsigmaVelocity dispersionkm/sphys.veloc.dispersionfloate_sigmaError in velocity dispersionkm/sstat.errorfloatq_sigma[0/2] Quality index on sigma (1)meta.code.qualintSimbadSimbad column added by the CDSchar_RAPosition from White et al. 2005, Cat. J/A+A/444/365 (right ascension part)degpos.eq.ra;meta.main_DEPosition from White et al. 2005, Cat. J/A+A/444/365 (declination part)degpos.eq.dec;meta.main