J/ApJ/850/181ivo://CDS.VizieR/J/ApJ/850/181doi:10.26093/cds/vizier.18500181CDSRudnick G.Jablonka P.Moustakas J.Aragon-Salamanca A.Zaritsky D.,Jaffe Y.L.De Lucia G.Desai V.Halliday C.Just D.Milvang-Jensen B.,Poggianti B.2024-02-23T11:48:07Z2018-08-20T07:20:38ZCDS support team

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

cds-question@unistra.frgalaxy-clustersgalaxiesspectroscopyredshiftedline-intensitiesvisible-astronomyA major question in galaxy formation is how the gas supply that fuels activity in galaxies is modulated by their environment. We use spectroscopy of a set of well-characterized clusters and groups at 0.4<z<0.8 from the ESO Distant Cluster Survey and compare it to identically selected field galaxies. Our spectroscopy allows us to isolate galaxies that are dominated by old stellar populations. Here we study a stellar-mass-limited sample (log(M*/M_{sun}_)>10.4) of these old galaxies with weak [OII] emission. We use line ratios and compare to studies of local early-type galaxies to conclude that this gas is likely excited by post-AGB stars and hence represents a diffuse gas component in the galaxies. For cluster and group galaxies the fraction with EW([OII])>5{AA} is f[OII]=0.08_-0.02_^+0.03^ and f[OII]=0.06_-0.04_^+0.07^, respectively. For field galaxies we find f[OII]=0.27_-0.06_^+0.07^, representing a 2.8{sigma} difference between the [OII] fractions for old galaxies between the different environments. We conclude that a population of old galaxies in all environments has ionized gas that likely stems from stellar mass loss. In the field galaxies also experience gas accretion from the cosmic web, and in groups and clusters these galaxies have had their gas accretion shut off by their environment. Additionally, galaxies with emission preferentially avoid the virialized region of the cluster in position-velocity space. We discuss the implications of our results, among which is that gas accretion shutoff is likely effective at group halo masses (logM/M_{sun}_>12.8) and that there are likely multiple gas removal processes happening in dense environments.2017ApJ...850..181Rhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/850/181CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJS/98/477 : Optical spectral atlas of Seyfert nuclei (Ho+ 1995)J/ApJS/111/377 : H{gamma} & H{delta} absorption features (Worthey+ 1997)J/ApJS/116/1 : Old Stellar Populations. VI. Absorption-Line (Trager+ 1998)J/A+A/427/397 : Redshifts of 5 EDisCS galaxy clusters (Halliday+, 2004)J/A+A/444/365 : ESO Distant Cluster Survey, EDisCS (White+, 2005)J/MNRAS/371/1777 : X-ray properties of 3 EDisCS gal. clusters (Johnson+, 2006)J/ApJ/630/206 : H{alpha} data for 3 EDisCS galaxy clusters (Finn+, 2005)J/ApJ/660/1151 : Morphology of galaxies in 10 EDisCS clusters (Desai+, 2007)J/A+A/482/419 : EDisCS. II (Milvang-Jensen+, 2008)J/A+A/499/47 : Lick indices of EDCSN galaxies (Sanchez-Blazquez+, 2009)J/A+A/519/A40 : Spectroscopic study of 65 nearby galaxies (Annibali+, 2010)J/ApJS/190/233 : Spectroscopy & abundances of SINGS gal. (Moustakas+, 2010)J/A+A/524/A6 : Evolution of spectral early-type galaxies (Saglia+, 2010)J/MNRAS/413/813 : ATLAS3D project. I. (Cappellari+, 2011)J/MNRAS/414/940 : ATLAS3D project. IV. (Young+, 2011)J/ApJ/750/93 : NIR observations of XMM-LSS J02182-05102 (Papovich+, 2012)J/MNRAS/436/34 : GALEX Arecibo SDSS survey. Final DR (Catinella+, 2013)J/ApJ/794/156 : 0.3<z<1.4 gal. MgII/FeII absorption profiles (Rubin+, 2014)J/MNRAS/446/2030 : FUV and NUV magnitudes of ETG (Zaritsky+, 2015)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/850/181https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/850/181http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/850/181https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/850/181https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/850/181http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/850/181GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/850/181/table1 (Cluster and group data)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/850/181/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/850/181/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/850/181/table1?GETtext/xml+votable180.050000true154.6935417-12.1980.005555555555555556Cone search capability for table J/ApJ/850/181/table2 (Galaxy data)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/850/181/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/850/181/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/850/181/table2?GETtext/xml+votable180.050000true154.69625-12.1809170.0055555555555555566/25071 25398 25415-25416 25418-25419 25484 25667 25676 25739 26654 26671 26676-26677 26689 26691-26692 26694 26720 44788 44793https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/850/181?format=asciiOpticaldefaultJ/ApJ/850/181/table1Cluster and group datarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintOTypeCl=Cluster or Gr=Groupsrc.classcharSystSystem name (CL HHMM.m+DDMMa; J2000) (1)meta.id;meta.maincharz[0.3/0.8] Redshiftsrc.redshiftfloatsigma[179/1080] Velocity dispersion (2)km/sphys.veloc.dispersioninte_sigma[26/139] Negative uncertainty on sigmakm/sstat.errorintE_sigma[40/136] Positive uncertainty on sigmakm/sstat.error;stat.maxintNg[1/42] Number of galaxies meeting our stellar mass and quality cutsmeta.numberint_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.mainnullable_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainnullableSimbadNameSimbad column added by the CDSmeta.idcharnullableJ/ApJ/850/181/table2Galaxy datarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintEDCSSource identifier (JHHMMSSs+DDMMSSs)meta.id;meta.maincharprimaryzspec[0.2/1] Spectroscopic redshiftsrc.redshiftfloatl_EW-O2The 1{sigma} upper limit flag on EW-O2 (1)meta.code.error;spect.line.eqWidthcharEW-O2[0.08/60.4] [OII]3727{AA} equivalent width0.1nmspect.line.eqWidthfloate_EW-O2[0.3/4.7]? Uncertainty in EW-O20.1nmstat.error;spect.line.eqWidthfloatnullablel_EW-O3The 1{sigma} upper limit flag on EW-O3meta.code.error;spect.line.eqWidthcharEW-O3[0.2/107]? [OIII]4959,5007{AA} equivalent width (2)0.1nmspect.line.eqWidthfloatnullablee_EW-O3[0.1/3]? Uncertainty in EW-O30.1nmstat.error;spect.line.eqWidthfloatnullablel_EW-Hb/eThe 1{sigma} upper limit flag on EW-Hb,e (3)meta.code.error;spect.line.eqWidthcharEW-Hb/e[0.4/21.4]? H{beta} emission equivalent width (2)0.1nmspect.line.eqWidthfloatnullablee_EW-Hb/e[0.1/2]? Uncertainty in EW-Hb,e0.1nmstat.error;spect.line.eqWidthfloatnullableEW-Hd/a[-10.7,10] H{delta} absorption equivalent width0.1nmspect.line.eqWidthfloate_EW-Hd/a[0.2/4.4] Uncertainty in EW-Hd,a0.1nmstat.error;spect.line.eqWidthfloatEW-Hg/a[-34/10.6] H{gamma} absorption equivalent width0.1nmspect.line.eqWidthfloate_EW-Hg/a[0.2/3.2]? Uncertainty in EW-Hg,a0.1nmstat.error;spect.line.eqWidthfloatnullableDn4000[1.1/3.9] The 4000{AA} break indexspect.indexfloate_Dn4000[0.01/1.3] Uncertainty in Dn4000stat.errorfloatlogM*[10.4/11.8] Log stellar masslog(solMass)phys.massfloatEnvEnvironment ("cluster", "group" or "field")meta.notecharD07Display data from Desai+ 2007, J/ApJ/660/1151meta.ref.urlintnullableEDisCSDisplay data from the EDisCS I and II (White+, 2005, J/A+A/444/365 and Milvang-Jensen+, 2008, J/A+A/482/419) within 0.5"meta.ref.urlcharSimbadNameSimbad column added by the CDSmeta.idcharnullableNEDNED column added by the CDSmeta.ref.urlchar_RAPositions from names (right ascension part)degpos.eq.ra;meta.main_DEPositions from names (declination part)degpos.eq.dec;meta.main