J/AJ/116/2395ivo://CDS.VizieR/J/AJ/116/2395doi:10.26093/cds/vizier.51162395CDSMighell K.J.Sarajedini A.French R.S.2023-04-06T16:50:30Z1999-04-07T14:43:25ZCDS support team

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

cds-question@unistra.frmagellanic-cloudsvisible-astronomybroad-band-photometryopen-star-clustersWe present our analysis of archival Hubble Space Telescope Wide Field Planetary Camera 2 (WFPC2) observations in F450W (~B) and F555W (~V) of the intermediate-age populous star clusters NGC 121, NGC 339, NGC 361, NGC 416, and Kron 3 in the Small Magellanic Cloud. We use published photometry of two other SMC populous star clusters, Lindsay 1 and Lindsay 113, to investigate the age sequence of these seven star clusters in order to improve our understanding of the formation chronology of the SMC. We analyzed the V versus B-V and M_V_ versus (B-V)_0_ color-magnitude diagrams of these populous Small Magellanic Cloud star clusters using a variety of techniques and determined their ages, metallicities, and reddenings. These new data enable us to improve the age-metallicity relation of star clusters in the Small Magellanic Cloud. In particular, we find that a closed-box continuous star formation model does not reproduce the age-metallicity relation adequately. However, a theoretical model punctuated by bursts of star formation is in better agreement with the observational data presented herein.1998AJ....116.2395Mhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/116/2395CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/116/2395https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/116/2395http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/116/2395https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/116/2395https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/116/2395http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/116/2395GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/AJ/116/2395/tablesWFPC2 stellar photometry of the SMC clusters NGC 416, 121, 339, 361 and Kron 3recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintClusterCluster namemeta.id.parentcharMSFIdentification number in the cluster (1)meta.id;meta.mainlongVmagV magnitudemagphot.mag;em.opt.Vfloate_Vmagrms uncertainty on Vmagmagstat.errorfloatB-Vcolour indexmagphot.color;em.opt.B;em.opt.Vfloate_B-Vrms uncertainty on B-Vmagstat.errorfloat