J/other/NatAs/3.ivo://CDS.VizieR/J/other/NatAs/3.844doi:10.26093/cds/vizier/dt/dkieeCDSYoon Y.Im M.Lee G.-H.Lee S.-K.Lim G.2026-03-04T20:03:08Z2023-08-30T17:04:27ZCDS support team

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

cds-question@unistra.frgalaxy-clustersgalaxy-classification-systemsredshiftedgalaxy-kinematicsBars are elongated structures that extend from the centre of galaxies, and about one-third of disk galaxies are known to possess bars. These bars are thought to form either through a physical process inherent in galaxies, or through an external process such as galaxy-galaxy interactions. However, there are other plausible mechanisms of bar formation that still need to be observationally tested. Here we present the observational evidence that bars can form via cluster-cluster interaction. We examined 105 galaxy clusters at redshift 0.015<z<0.060 that are selected from the Sloan Digital Sky Survey data, and identified 16 interacting clusters. We find that the barred disk-dominated galaxy fraction is about 1.5 times higher in interacting clusters than in clusters with no clear signs of ongoing interaction (42% versus 27%). Our result indicates that bars can form through a large-scale violent phenomenon, and cluster-cluster interaction should be considered an important mechanism of bar formation.2019NatAs...3..844Yhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/other/NatAs/3.844CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/other/NatAs/3.844https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/other/NatAs/3.844http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/other/NatAs/3.844https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/other/NatAs/3.844https://vizier.iucaa.in/viz-bin/votable?-source=J/other/NatAs/3.844http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/other/NatAs/3.844GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/other/NatAs/3.844/tables1 (Properties of galaxy clusters)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/other/NatAs/3.844/tables1?https://vizier.iucaa.in/viz-bin/conesearch/J/other/NatAs/3.844/tables1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/other/NatAs/3.844/tables1?GETtext/xml+votable180.050000true7.31126-0.188450.0055555555555555566/1701 4373 4491 4519 4540 4769 4772 4990 5030 5099 5155 5305 5370 5535 5616 5978 5980 5982 6001-6002 6057-6058 6073 6086 6473 6532 6583 7187 7260 7315 8213 8266 8268-8269 8351 8442 8520 8526 8545 8556 8574 8625-8626 8648 8735 8788 8852 9021 9370-9371 9443 9468 9471 9746 9943 10182 10306 10342 10378 10442 10459 10483 10865 17237 17513 17571 18009 18019 18073 18410-18411 18607 18854 18953 19426 19993 23181 25931 25962 25981 26054 26109 26430 26501 27060 27079 27224 27652 28075 28251 28253 28347 28400 28414-28415 28443 28471 28494 31465 31686 31693 31717 32445-32446https://cdsarc.cds.unistra.fr/viz-bin/moc/J/other/NatAs/3.844?format=asciiOpticaldefaultJ/other/NatAs/3.844/tables1Properties of galaxy clustersrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameCluster name (ClusterHHMM+DD)meta.id;meta.maincharn_Name[ab] Note on name (1)meta.notecharRAJ2000Rigth ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainsigmaVelocity dispersionkm/sphys.veloc.dispersioninte_sigmaVelocity dispersion error (2)km/sstat.errorintR200Radius within which the mean density is 200 times the critical density of the universeMpcphys.size.radiusfloate_R200R200 error (2)Mpcstat.errorfloatlogM200Mass cluster at R200log(solMass)phys.massfloate_logM200Mass cluster at R200 errorlog(solMass)stat.errorfloatlogpLogarithmic p values of clusters which indicate significance of having substructure (3)stat.fit.goodnessfloatInterInteracting (4)meta.codecharfbarBar fraction of clustersmeta.numberfloatbarNumber of barred disk galaxies with e(ellipticity) <= 0.5 and B/T (bulge-to-total light ratio) <= 0.5meta.numberintdiskNumber of disk galaxies with e(ellipticity) <= 0.5 and B/T (bulge-to-total light ratio) <= 0.5meta.numberintzRedshiftsrc.redshiftdouble