J/A+A/601/A145ivo://CDS.VizieR/J/A+A/601/A145doi:10.26093/cds/vizier.36010145CDSFoex G.Chon G.Bohringer H.2019-06-06T11:36:26Z2017-05-23T07:15:11ZCDS support team

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

cds-question@unistra.frgalaxy-clustersastrometryredshiftedThe hierarchical model of structure formation is a key prediction of the {LAMBDA} cold dark matter model, which can be tested by studying the large-scale environment and the substructure content of massive galaxy clusters. We present here a detailed analysis of the clusters RXC J0225.9-4154, RXC J0528.9-3927, and RXC J2308.3-0211, as part of a sample of massive X-ray luminous clusters located at intermediate redshifts. We used a multiwavelength analysis, combining WFI photometric observations, VIMOS spectroscopy, and the X-ray surface brightness maps. We investigated the optical morphology of the clusters, we looked for significant counterparts in the residual X-ray emission, and we ran several statistical tests to assess their dynamical state. We correlated the results to define various substructure features, to study their properties, and to quantify their influence on simple dynamical mass estimators. RXC J0225.9-4154 has a bi-modal core, and two massive galaxy groups are located in its immediate surroundings; they are aligned in an elongated structure that is also detected in X-rays at the 1{sigma} level. RXC J0528.9-3927 is located in a poor environment; an X-ray centroid shift and the presence of two central BCGs provide mild evidence for a recent and active dynamical history. RXC J2308.3-0211 has complex central dynamics, and it is found at the core of a superstes-cluster. The complexity of the cluster's central dynamics reflects the richness of its large-scale environment: RXC J0225 and RXC J2308 present a mass fraction in substructures larger than the typical 5-15%, whereas the isolated cluster RXC J0528 does not have any major substructures within its virial radius. The largest substructures are found in the cluster outskirts. The optical morphology of the clusters correlates with the orientation of their BCG, and with the position of the main axes of accretion.2017A&A...601A.145Fhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/601/A145CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/601/A145https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/601/A145http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/601/A145https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/601/A145https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/601/A145http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/601/A145GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/601/A145/tablea1 (Position and redshift of 4104 galaxies in three galaxy clusters)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/601/A145/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/601/A145/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/601/A145/tablea1?GETtext/xml+votable180.050000true36.702083-42.1755560.0055555555555555565/4686 6/34157 34159 34168 34170 35171 35174 35177 35180https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/601/A145?format=asciidefaultJ/A+A/601/A145/tablea1Position and redshift of 4104 galaxies in three galaxy clustersrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintClusterCluster name (shortname)meta.id.parentcharRAJ2000Right ascension (J2000.0)pos.eq.ra;meta.mainDEJ2000Declination (J2000.0)pos.eq.dec;meta.mainzspec? Spectroscopic redshiftsrc.redshiftfloatnullableEZflag[0/4]? EZ (Easy redshift) quality flag (1)meta.code.qualintnullablezphot? Photometric redshiftsrc.redshiftfloatnullablee_zphot? rms uncertainty on photometric redshiftstat.errorfloatnullableRSflag[0/1] Red-sequence membership flag (2)meta.codecharSimbadSimbad column added by the CDSmeta.ref.urlchar