J/MNRAS/337/133ivo://CDS.VizieR/J/MNRAS/337/133doi:10.26093/cds/vizier.73370133CDSYadav R.K.S.Sagar R.2024-06-28T20:16:55Z2006-03-25T18:49:28ZCDS support team

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

cds-question@unistra.fropen-star-clustersccd-photometryinfrared-photometryvisible-astronomybroad-band-photometryWe present deep UBV(RI)C charge-coupled device (CCD) photometry for the young open star clusters Tr 1 and Be 11. The CCD data for Be 11 are obtained for the first time. The sample consists of ~1500 stars reaching down to V~21mag. Analysis of the radial distribution of the stellar surface density indicates that radius values for Tr 1 and Be 11 are 2.3 and 1.5pc, respectively. The interstellar extinction across the face of the imaged clusters region seems to be non-uniform with a mean value of E(B-V)=0.60+/-0.05 and 0.95+/-0.05mag for Tr 1 and Be 11, respectively. A random positional variation of E(B-V) is present in both the clusters. In the cluster Be 11, the reason for the random positional variation may be the apparent association of the H II region (S 213). The 2MASS JHK data in combination with the optical data in the cluster Be 11 yield E(J-K)=0.40+/-0.20mag and E(V-K)=2.20+/-0.20mag. Colour excess diagrams indicate a normal interstellar extinction law in the direction of the cluster Be 11.2002MNRAS.337..133Yhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/337/133CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/337/133https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/337/133http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/337/133https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/337/133https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/337/133http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/337/133GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticalInfrareddefaultJ/MNRAS/337/133/tr1*Trumpler 1 cluster (in table4 or paper)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintn_Seq[F] 'F' for field (F) star (files *f.dat)meta.notecharSeqSequential number of the star (1)meta.idintXposX position (2)pixpos.cartesian.x;instr.detfloatYposY position (2)pixpos.cartesian.y;instr.detfloatVmagJohnson V magnitudemagphot.mag;em.opt.VfloatU-B? Johnson U-B colour indexmagphot.color;em.opt.U;em.opt.BfloatnullableB-V? Johnson B-V colour indexmagphot.color;em.opt.B;em.opt.VfloatnullableV-Rc? Johnson-Cousins V-Rc colour indexmagphot.color;em.opt.V;em.opt.RfloatnullableV-Ic? Johnson-Cousins V-Ic colour indexmagphot.color;em.opt.V;em.opt.IfloatnullableMem[m nm] Photometric membership (table4a.dat and table5a.dat only)meta.code.membercharJ/MNRAS/337/133/tr1fTrumpler 1 field region (in table4 or paper)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintn_Seq[F] 'F' for field (F) star (files *f.dat)meta.notecharSeqSequential number of the star (1)meta.idintXposX position (2)pixpos.cartesian.x;instr.detfloatYposY position (2)pixpos.cartesian.y;instr.detfloatVmagJohnson V magnitudemagphot.mag;em.opt.VfloatU-B? Johnson U-B colour indexmagphot.color;em.opt.U;em.opt.BfloatnullableB-V? Johnson B-V colour indexmagphot.color;em.opt.B;em.opt.VfloatnullableV-Rc? Johnson-Cousins V-Rc colour indexmagphot.color;em.opt.V;em.opt.RfloatnullableV-Ic? Johnson-Cousins V-Ic colour indexmagphot.color;em.opt.V;em.opt.IfloatnullableMem[m nm] Photometric membership (table4a.dat and table5a.dat only)meta.code.membercharJ/MNRAS/337/133/be11Berkeley 11 cluster (in table5 of paper)U-B? Johnson U-B colour indexmagphot.color;em.opt.U;em.opt.BfloatnullableB-V? Johnson B-V colour indexmagphot.color;em.opt.B;em.opt.VfloatnullableV-Rc? Johnson-Cousins V-Rc colour indexmagphot.color;em.opt.V;em.opt.RfloatnullableV-Ic? Johnson-Cousins V-Ic colour indexmagphot.color;em.opt.V;em.opt.IfloatnullableMem[m nm] Photometric membership (table4a.dat and table5a.dat only)meta.code.membercharSeqSequential number of the star (1)meta.idintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintn_Seq[F] 'F' for field (F) star (files *f.dat)meta.notecharXposX position (2)pixpos.cartesian.x;instr.detfloatYposY position (2)pixpos.cartesian.y;instr.detfloatVmagJohnson V magnitudemagphot.mag;em.opt.VfloatJ/MNRAS/337/133/be11fBekeley 11 field region (in table5 of paper)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintn_Seq[F] 'F' for field (F) star (files *f.dat)meta.notecharSeqSequential number of the star (1)meta.idintXposX position (2)pixpos.cartesian.x;instr.detfloatYposY position (2)pixpos.cartesian.y;instr.detfloatVmagJohnson V magnitudemagphot.mag;em.opt.VfloatU-B? Johnson U-B colour indexmagphot.color;em.opt.U;em.opt.BfloatnullableB-V? Johnson B-V colour indexmagphot.color;em.opt.B;em.opt.VfloatnullableV-Rc? Johnson-Cousins V-Rc colour indexmagphot.color;em.opt.V;em.opt.RfloatnullableV-Ic? Johnson-Cousins V-Ic colour indexmagphot.color;em.opt.V;em.opt.IfloatnullableMem[m nm] Photometric membership (table4a.dat and table5a.dat only)meta.code.memberchar