J/A+A/459/489ivo://CDS.VizieR/J/A+A/459/489doi:10.26093/cds/vizier.34590489CDSDe Marchi F.De Angeli F.Piotto G.Carraro G.Davies M.B.2006-12-17T15:53:47Z2006-12-17T16:53:04ZCDS support team

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

cds-question@unistra.fropen-star-clusterspeculiar-variable-starsThis paper presents a new homogeneous catalogue of blue straggler stars (BSS) in Galactic open clusters. Photometric data for 216 clusters were collected from the literature and 2782 BSS candidates were extracted from 76 of them. We found that the anticorrelation of BSS frequency vs. total magnitude identified in similar studies conducted on Galactic globular clusters extends to the open cluster regime: clusters with smaller total magnitude tend to have higher BSS frequencies. Moreover, a clear correlation between the BSS frequency (obtained normalising the total number of BSS either to the total cluster mass or, for the older clusters, to the total number of clump stars) and the age of the clusters was found. A simple model is developed here to try to explain this last and new result. The model allows us to ascertain the important effect played by mass loss in the evolution of open clusters.2006A&A...459..489Dhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/459/489CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+AS/109/375 : Blue stragglers in open clusters (Ahumada+, 1995)J/A+A/324/915 : Blue stragglers in M3 (Ferraro+ 1997)J/AJ/106/604 : Study of globular cluster NGC 6366 (Harris 1993)J/AJ/108/1786 : Blue stragglers + variable stars in M3 (Guhathakurta+, 1994)J/AJ/128/3019 : Pal 13 blue stragglers & main-sequence binaries (Clark+, 2004)J/ApJ/336/780 : gr photometry of NGC 5053 blue stragglers (Nemec+ 1989)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/459/489https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/459/489http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/459/489https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/459/489https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/459/489http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/459/489GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/459/489/table2 (Open cluster parameters)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/459/489/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/459/489/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/459/489/table2?GETtext/xml+votable180.050000true114.69167-33.843330.0055555555555555566/1285 1287 1297 1302 1385 1452 1457 1757 1782 1794 1850 2395 2436 2940 2942 3015 3038 3045-3047 3050 3052 3057 3061 3066 3076 3091 3093 3143 3168 3170 3186 3256-3257 3277 3307 3362 3493 3621-3623 3626 3632 3638 3674 3712 3715 3724 4078 4298 6149 6894 12510 13198 13309 13996 14175 14246 14263 14295 14306 14310 14314 14322 14353 14575 14630 14643 14690 14740 14752 15443 15595 15622 15709 15711 15759 15827 19693 20562 20814 20833 20903 20957 21523 21529 21549 21586 21682 21719 22111 22208 22215-22216 22219 22224 22239 22249 22433 22499 22871 22885 23612 23638 23645 23696 23745 23761 23861 23906 23962 23964 24057 24291 24330 24344-24345 24510 24522 28822 28825 28868 28891 29027 29106 29463 29510 29523 30215 30269 30308 30635 37237 37343 37351 37592 37733 37745 37753 37859 37867 37870 37901 37924 37971 38016 38018 38024 38040 38242 38578 39131 39181 39257 39274 39279 39290 39354 39356 39413 39710 39756 39770 39776 39801 39804 39931 39956 40071 40101 40104 40106 40601 40610 40618 41461 41466 41613 41649 41670 41675 41678 41699 41758 41809 41856 41863 42153 42155 42159 42177 42203 42214 42216 42227 42274 42378 42394 42402 43024 43033 43048 43301https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/459/489?format=asciiOpticaldefaultJ/A+A/459/489/table2Open cluster parametersNameCluster designationmeta.id;meta.maincharprimaryrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Right ascension (J2000.0)pos.eq.ra;meta.mainDEJ2000Declination (J2000.0)pos.eq.dec;meta.mainE(B-V)Reddeningmagphot.color.excessfloat(m-M)Distance modulusmagphot.mag.distModfloatlog(Age)Decimal logarithm of the age in yearslog(yr)time.agefloatRadius? Apparent cluster radiusarcminphys.angSizefloatnullableNBSS1Number of blue stragglers candidates within the apparent radius of the clustermeta.numberintNBSS2Number of blue stragglers candidates (without limitation on radius)meta.numberintNclNumber of clump stars (without limitation on radius)meta.numberintRef(1)References of the CCD photometries examined (see file refs.dat) (1)meta.bibcharRef(2)References for photoelectric (pe) and photographic (pg) photometries examined (see file refs.dat) (1)meta.bibcharJ/A+A/459/489/table3Candidate blue stragglers in open clustersrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameCluster designationmeta.id.parentcharn_Name[*] indicates a note in file notes.datmeta.notecharIDIdentification number (1)meta.id;meta.mainintrRadial distance from the centerarcminphys.veloc.angfloatVmagThe V magnitudemagphot.mag;em.opt.VfloatcolThe (B-V) (or (V-I), or (b-y)) color indexmagphot.colorfloatBandBand of the color index (2)meta.code;phot.colorcharJ/A+A/459/489/notesIndividual notesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameCluster designationmeta.id;meta.maincharNoteText of the notemeta.notecharJ/A+A/459/489/refsReferencesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRefReference numbermeta.id;meta.mainintBibCodeBibCodemeta.bib.bibcodecharAutAuthor's namemeta.bib.authorcharComCommentsmeta.notechar