J/A+A/707/A204ivo://CDS.VizieR/J/A+A/707/A204CDSLennon D.J.Berlanas S.R.Herrero A.D.Britavskiy N.Dufton P.L.,Langer N.Jin H.Schootemeijer A.Menon A.Bestenlehner J.M.,Crowther P.A.Vink J.Bodensteiner J.Shenar T.Deshmukh K.,Villasenor J.I.Patrick L.Najarro F.de KoterA.Mahy L.,Bowmnan D.M.Bobrick A.Evans C.J.Gull M.Holgado G.Katabi Z.,Kubat J.Marchant P.Pauli D.Pawlak M.Renzo M.Rocha D.F.,Sander A.A.C.Sayada T.Simon-Diaz S.Stoop M.Valli R.Wang C.,Xu X.-T.2026-03-05T08:02:24Z2026-03-05T09:01:13ZCDS support team

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

cds-question@unistra.frmagellanic-cloudsob-starsvisible-astronomyThe Binarity at LOw Metallicity (BLOeM) survey is an ESO large programme designed to obtain multi-epoch spectroscopy for 929 massive stars in the Small Magellanic Cloud (SMC). It will provide binary fractions and orbital configurations of binary systems, and search for dormant black-hole binary candidates (OB+BH). Here we present projected rotational velocities (vsini) of all sources and, using the multiplicity properties presented in previous papers, we derive the vsini distributions of apparent single stars, single lined spectroscopic (SB1) binaries, and SB2 systems. We identify a locus in the Hertzsprung-Russell diagram where rotational velocities decrease significantly; we interpret this feature as broadly corresponding to the terminal-age main sequence. The main sequence cohort is distinguished by a broad range of vsini values, but with a strong peak in the distribution in the range 30-60km/s, close to the resolution limit of ~30km/s. Sources in this low vsini peak are distributed throughout the main sequence, and are also present in the SB1 sample, though less prominent than in the single star distribution. A preliminary analysis of the lowest vsini cohort, that includes SB1 systems, implies that roughly one third may be nitrogen rich and we speculate that this cohort is a mix of pristine single stars, long period binaries, and merger products. The SB2 systems appear to be mostly short period binaries in synchronous rotation and have vsini estimates distributed around a mean value of ~140km/s. Higher vsini sources are also present in the single and SB1 systems, all of which have tail to higher vsini values, consistent with tidal and mass-transfer effects. The supergiants, with a few exceptions, have low vsini, the bulk of these systems being essentially unresolved at current spectral resolution (~30km/s).2026A&A...707A.204Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/707/A204CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/690/A289 : Binarity at LOw Metallicity (BLOeM). I. (Shenar+, 2024)J/A+A/698/A38 : BLOeM. Oe and Be stars (Bodensteiner+, 2025)J/A+A/698/A39 : BLOeM. BAF-type supergiants (Patrick+, 2025)J/A+A/698/A40 : BLOeM. SMC early B supergiants multiplicityJ/A+A/698/A41 : BLOeM. Early B dwarfs and giants at Z=0.2J/MNRAS/540/3523 : BLOeM. Physical properties of OB starshttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/707/A204https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/707/A204http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/707/A204https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/707/A204https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/707/A204http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/707/A204GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/707/A204/table1 (Projected rotational velocities of BLOeM stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/707/A204/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/707/A204/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/707/A204/table1?GETtext/xml+votable180.050000true15.19165525528-72.219161778630.005555555555555556Cone search capability for table J/A+A/707/A204/table2 (Projected rotational velocities of selected SB2 primary and secondary components)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/707/A204/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/707/A204/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/707/A204/table2?GETtext/xml+votable180.050000true15.242234903580007-72.036684983010.005555555555555556Cone search capability for table J/A+A/707/A204/tablec1 (Master table listing preferred vsini values and auxiliary information)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/707/A204/tablec1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/707/A204/tablec1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/707/A204/tablec1?GETtext/xml+votable180.050000true15.19165525528-72.219161778630.0055555555555555566/33294-33295 33298 33304 33306 33317 33328https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/707/A204?format=asciiOpticaldefaultJ/A+A/707/A204/table1Projected rotational velocities of BLOeM starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBLOeMBLOeM identifier (N-NNN) (1)meta.id;meta.maincharvsiniFTProjected rotational velocity using FTkm/sphys.veloc.rotatintE_vsiniFTError on FT vsini (upper)km/sstat.error;stat.maxinte_vsiniFTError on FT vsini (lower)km/sstat.errorintnFTNumber of FT measurementsmeta.numberintvsiniFWHMProjected rotational velocity using FWHMkm/sphys.veloc.rotatinte_vsiniFWHMError on FWHM vsinikm/sstat.errorintnFWHMNumber of FWHM measurementsmeta.numberint_RAPositions from Shenar et al., 2024, Cat. J/A+A/690/A289 (right ascension part)degpos.eq.ra;meta.main_DEPositions from Shenar et al., 2024, Cat. J/A+A/690/A289 (declination part)degpos.eq.dec;meta.mainJ/A+A/707/A204/table2Projected rotational velocities of selected SB2 primary and secondary componentsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBLOeMBLOeM identifier (N-NNN) (1)meta.id;meta.maincharvsiniAProjected rotational velocity of A componentkm/sphys.veloc.rotatinte_vsiniAError on vsiniAkm/sstat.errorintvsiniBProjected rotational velocity of B componentkm/sphys.veloc.rotatinte_vsiniBError on vsiniBkm/sstat.errorintNvsiniNumber of measurementsmeta.numberintwaveAWavelength of component A0.1nmem.wl;arith.difffloatwaveBWavelength of component B0.1nmem.wl;arith.difffloatNEpochEpoch number for WaveA and WaveBmeta.numberint_RAPositions from Shenar et al., 2024, Cat. J/A+A/690/A289 (right ascension part)degpos.eq.ra;meta.main_DEPositions from Shenar et al., 2024, Cat. J/A+A/690/A289 (declination part)degpos.eq.dec;meta.mainJ/A+A/707/A204/tablec1Master table listing preferred vsini values and auxiliary informationrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBLOeMBLOeM identifier (N-NNN) (1)meta.id;meta.maincharSptypeSpectral type (1)src.spTypecharBstatusBinary status (2)meta.code.statuscharvsiniSelected projected rotational velocitykm/sphys.veloc.rotatintE_vsiniError on vsini (upper)km/sstat.error;stat.maxinte_vsiniError on vsini (lower)km/sstat.error;phys.veloc.rotatintTeffAdopted effective temperatureKphys.temperature.effectiveintlogLLogarithm of luminositylog(solLum)phys.luminosityfloatMevolEvolutionary masssolMassphys.massfloatRstarStellar radiussolRadphys.size.radiusfloatvcritCritical velocitykm/sphys.velocintFieldField numbermeta.id;obs.fieldintpflagStellar parameters source flagmeta.codeintmflagMultiplicity flagmeta.code.multipintgflagGroup flagmeta.codeint_RAPositions from Shenar et al., 2024, Cat. J/A+A/690/A289 (right ascension part)degpos.eq.ra;meta.main_DEPositions from Shenar et al., 2024, Cat. J/A+A/690/A289 (declination part)degpos.eq.dec;meta.main