J/AJ/149/83ivo://CDS.VizieR/J/AJ/149/83doi:10.26093/cds/vizier.51490083CDSFekel F.C.2017-06-27T06:38:08Z2015-03-02T09:15:09ZCDS support team

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

cds-question@unistra.frspectroscopic-binary-starsradial-velocityFrom numerous radial velocities obtained at KPNO and Fairborn Observatory, we have determined the orbital elements of the composite spectrum triple system HD 207651. This system consists of a broad-lined A8 V star and an unseen M dwarf companion in a 1.470739days orbit. Variations of the center-of-mass velocity of this short-period system and velocity variations of a narrow-lined F7: V star have an orbital period of 724.1days or 1.98yr and an eccentricity of 0.39. The revised Hipparcos parallax, corresponding to a distance of 255pc, appears to be too small to yield consistent properties. Instead, we adopt a distance of 150pc.2015AJ....149...83Fhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/149/83CatalogResearchIsServedByTAP VizieR generic servicerelated-toB/sb9 : 9th Catalogue of Spectroscopic Binary Orbits (Pourbaix+ 2004-2014)J/AJ/149/63 : Radial velocities of HD 54371, HR 2692, 16 UMa (Fekel+, 2015)J/AJ/145/111 : Radial velocities of five spectroscopic binaries (Fekel+, 2013)J/AJ/132/1910 : HD 131861 radial velocities and VRI light curves (Fekel+, 2006)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/149/83https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/149/83http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/149/83https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/149/83https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/149/83http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/149/83GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/AJ/149/83/table1Radial velocities of HD 207651recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHJDHeliocentric Julian Datedtime.epochdoublef_HJD[a] Indicates a 4500{AA} regionmeta.codecharLPhase[0/1] Phase in the long-period orbittime.phasefloatRVB[-24.6/15.2] Radial velocity of the narrow-lined component Bkm/sphys.veloc;pos.heliocentricfloatO-CBResidual to the orbit of component B (O-C)_B_km/sstat.fit.residualfloatRVAa[-49/17.1] Radial velocity of the broad-lined component Aakm/sphys.veloc;pos.heliocentricfloatO-CAaResidual of component Aa (1)km/sstat.fit.residualfloatSPhase[0/1] Phase in the short-period orbittime.phasefloatObsObservatory (Fair or KPNO) (2)meta.id;instr.obstychar