J/A+A/456/623ivo://CDS.VizieR/J/A+A/456/623doi:10.26093/cds/vizier.34560623CDSEvans C.J.Lennon D.J.Smartt S.J.Trundle C.2017-10-11T05:13:46Z2008-03-05T22:04:52ZCDS support team

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

cds-question@unistra.frmagellanic-cloudsopen-star-clustersphotometryradial-velocityWe present new observations of 470 stars using the Fibre Large Array Multi-Element Spectrograph (FLAMES) instrument in fields centered on the clusters NGC 330 and NGC 346 in the Small Magellanic Cloud (SMC), and NGC 2004 and the N11 region in the Large Magellanic Cloud (LMC). A further 14 stars were observed in the N11 and NGC 330 fields using the Ultraviolet and Visual Echelle Spectrograph (UVES) for a separate programme. Spectral classifications and stellar radial velocities are given for each target, with careful attention to checks for binarity. In particular, we have investigated previously unexplored regions around the central LH9/LH10 complex of N11, finding ~25 new O-type stars from our spectroscopy. We have observed a relatively large number of Be-type stars that display permitted Fe II emission lines. These are primarily not in the cluster cores and appear to be associated with classical Be-type stars, rather than pre main-sequence objects. The presence of the Fe II emission, as compared to the equivalent width of H{alpha}, is not obviously dependent on metallicity. We have also explored the relative fraction of Be- to normal B-type stars in the field-regions near to NGC 330 and NGC 2004, finding no strong evidence of a trend with metallicity when compared to Galactic results. A consequence of service observations is that we have reasonable time-sampling in three of our FLAMES fields. We find lower limits to the binary fraction of O- and early B-type stars of 23 to 36%. One of our targets (NGC 346-013) is especially interesting with a massive, apparently hotter, less luminous secondary component.2006A&A...456..623Ehttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/456/623CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/437/467 : VLT-FLAMES survey of massive stars (Evans+, 2005)J/A+A/457/265 : VLT-FLAMES survey of massive Stars (Dufton+, 2006)J/A+A/466/277 : VLT-FLAMES survey of massive stars (Hunter+, 2007)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/456/623https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/456/623http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/456/623https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/456/623https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/456/623http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/456/623GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/456/623/data (Observational parameters of target stars in the SMC clusters NGC 330 and NGC 346, and the LMC clusters N 11 and NGC 2004)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/456/623/data?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/456/623/data?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/456/623/data?GETtext/xml+votable180.050000true14.8830833-72.17945830.0055555555555555566/33112 33126 33295 33317 333283.322582951404819e-19 3.852589004194616e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/456/623?format=asciiOpticaldefaultJ/A+A/456/623/notesIndividual notesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameVariable name (G1)meta.id;meta.maincharNoteTest of the notemeta.notecharJ/A+A/456/623/dataObservational parameters of target stars in the SMC clusters NGC 330 and NGC 346, and the LMC clusters N 11 and NGC 2004SimbadNameSimbad column added by the CDSmeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameVariable name (G1)meta.id;meta.maincharn_Name[+] indicates a note in notes.datmeta.notecharEISEIS namemeta.idcharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainRd? Radial distance to the centre of the clusterarcsecpos.angDistancefloatnullableVmagV magnitudemagphot.mag;em.opt.Vfloatn_Vmag[*] *: photometry from Parker et al. (1992, Cat. <J/AJ/103/1205>)meta.notecharB-VB-V colour indexmagphot.color;em.opt.B;em.opt.VfloatSpTypeMK spectral type (1)src.spTypecharRV? Radial velocitykm/sspect.dopplerVeloc;pos.heliocentricintnullableu_RVUncertainty flag on RVmeta.code.errorcharo_RV? Number of lines used for RV determinationmeta.numberintnullableBinBinarity informationmeta.codecharComComments (2)meta.noteJ/A+A/456/623/table8Comparison of current classifications with published spectral typesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameVariable name (G1)meta.id;meta.maincharONameOther namemeta.idcharSpTypeFLAMES MK spectral typesrc.spTypecharSpType1Published MK spectral type with reference (1)meta.ref;src.spTypecharSpType2Published MK spectral type with reference (1)meta.ref;src.spTypecharSpType3Published MK spectral type with reference (1)meta.ref;src.spTypecharSpType4Published MK spectral type with reference (1)meta.ref;src.spTypecharSpType5Published MK spectral type with reference (1)meta.ref;src.spTypechar