J/A+A/598/A85ivo://CDS.VizieR/J/A+A/598/A85doi:10.26093/cds/vizier.35980085CDSShenar T.Richardson N.D.Sablowski D.P.Hainich R.Sana H.,Moffat A.F.J.Todt H.Hamann W.-R.Oskinova L.M.Sander A.,Tramper F.Langer N.Bonanos A.Z.de Mink S.E.Graefener G.,Crowther P.A.Vink J.S.Almeida L.A.de Koter A.Barba R.,Herrero A.Ulaczyk K.2017-06-21T08:22:07Z2017-02-06T07:58:21ZCDS support team

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

cds-question@unistra.frmagellanic-cloudsspectroscopic-binary-starsspectroscopyWe present the first SB2 orbital solution and disentanglement of the massive Wolf-Rayet binary R145 (P=159d) located in the Large Magellanic Cloud. The primary was claimed to have a stellar mass greater than 300M_{sun}_, making it a candidate for the most massive star known. While the primary is a known late type, H-rich Wolf-Rayet star (WN6h), the secondary could not be so far unambiguously detected. Using moderate resolution spectra, we are able to derive accurate radial velocities for both components. By performing simultaneous orbital and polarimetric analyses, we derive the complete set of orbital parameters, including the inclination. The spectra are disentangled and spectroscopically analyzed, and an analysis of the wind-wind collision zone is conducted.2017A&A...598A..85Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/598/A85CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/598/A85https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/598/A85http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/598/A85https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/598/A85https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/598/A85http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/598/A85GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/A+A/598/A85/tableDisentangled spectra of R145, observed spectrum of R145 and Mk51 (Fig. 9)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintlambda1Wavelength for disentangled spectrum of component 1 of R1450.1nmem.wldoubleFComp1Disentangled spectrum of component 1 of R145phot.flux.density;arith.ratiodoublelambda2? Wavelength for disentangled spectrum of component 2 of R1450.1nmem.wldoublenullableFComp2? Disentangled spectrum of component 2 of R145phot.flux.density;arith.ratiodoublenullablelambda3? Wavelength for observed normalized FLAMES spectrum of R1450.1nmem.wldoublenullableFR145? Observed normalized FLAMES spectrum of R145 (phase ~0.5)phot.flux.density;arith.ratiodoublenullablelambda4? Wavelength for observed normalized FLAMES spectrum of Mk510.1nmem.wldoublenullableFMk51? Observed normalized FLAMES spectrum of Mk51 (P. Crowther, priv. com.)phot.flux.density;arith.ratiodoublenullable