J/MNRAS/415/563ivo://CDS.VizieR/J/MNRAS/415/563doi:10.26093/cds/vizier.74150563CDSDe Silva G.M.Freeman K.C.Bland-Hawthorn J.Asplund M.Williams M.,Holmberg J.2024-07-15T20:16:18Z2012-03-21T13:54:21ZCDS support team

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

cds-question@unistra.fropen-star-clusterschemical-abundancesThe existence of a kinematically defined moving group of stars centred at U=-40, V=-17km/s, referred to as the Hyades supercluster, has been suggested to be the debris of an originally large star-forming event, with its core being the present-day Hyades open cluster. Using high-resolution UV-Visual Echelle Spectrograph (UVES) spectra, we present the elemental abundances for a range of alpha, Fe-peak and neutron-capture elements for 26 proposed supercluster stars. Our results show that the sample stars display a heterogeneous abundance distribution, with a clump around [Fe/H]=+0.15. We also calculate stellar radial velocities and U, V, W space velocities. Enforcing strict chemical and kinematical membership criteria, we find that four supercluster stars share the Hyades open cluster abundances and kinematics, while many of the remaining stars fit the disc field kinematics and abundance range. We discuss our findings in the context of the Hyades supercluster being a dispersed star-forming remnant, a stellar stream of purely dynamical origin or a result of several processes.2011MNRAS.415..563Dhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/415/563CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AZh/77/96 : Abundances in Hyades red giants (Boyarchuk+, 2000)J/AJ/127/3579 : Radial velocities of Hyades stars (Paulson+, 2004)J/A+A/523/A71 : A and F stars abundances in the Hyades (Gebran+, 2010)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/415/563https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/415/563http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/415/563https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/415/563https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/415/563http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/415/563GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/415/563/table1 (Total sample of observed stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/415/563/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/415/563/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/415/563/table1?GETtext/xml+votable180.050000true63.62675138922.4518647220.0055555555555555566/337 339 375 1100 10317 10401 18698 20841 23344 23489 23538 23547-23548 37463 37717 37722 37747 37752 37755 37830 37839 37842 37848 37867 37872 37877-37878 37885 38387 38433 38530 39245 39247 39254 39257-39258 39268 39271 39281 39285 39386 40993 43503https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/415/563?format=asciiOpticaldefaultJ/MNRAS/415/563/table1Total sample of observed starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMSimbad column added by the CDSmeta.ref.urlcharHDHD numbermeta.id;meta.mainintprimaryRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainVmagV magnitudemagphot.mag;em.opt.VfloatB-VB-V colour indexmagphot.color;em.opt.B;em.opt.VfloatNotesNotes (1)meta.ref;pos.framecharSimbadSimbad column added by the CDScharJ/MNRAS/415/563/table2Line listrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintlambdaWavelength0.1nmem.wldoubleLEPLine energy potentialeVphys.energy;spect.linefloatloggfOscillator strengthphys.atmol.oscStrengthfloatIonSpeciesphys.atmol.ionStagecharJ/MNRAS/415/563/tables*Spectroscopic stellar parameters for 26 stars, elemental abundances, absolute magnitudes, distances, radial and Galactic space velocities for 20 stars.recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHDHD numbermeta.id;meta.mainintTeffEffective temperatureKphys.temperature.effectiveintloggSurface gravitylog(cm.s**-2)phys.gravityfloatksiMicroturbulence velocity {xi}km/sphys.veloc.microTurbfloat[Fe/H]? Elemental abundance [Fe/H]log(Sun)phys.abundfloatnullable[Na/H]? Elemental abundance [Na/H]log(Sun)phys.abundfloatnullable[Mg/H]? Elemental abundance [Mg/H]log(Sun)phys.abundfloatnullable[Al/H]? Elemental abundance [Al/H]log(Sun)phys.abundfloatnullable[Si/H]? Elemental abundance [Si/H]log(Sun)phys.abundfloatnullable[S/H]? Elemental abundance [S/H]log(Sun)phys.abundfloatnullable[Ca/H]? Elemental abundance [Ca/H]log(Sun)phys.abundfloatnullable[Sc/H]? Elemental abundance [Sc/H]log(Sun)phys.abundfloatnullable[Ti/H]? Elemental abundance [Ti/H]log(Sun)phys.abundfloatnullable[Cr/H]? Elemental abundance [Cr/H]log(Sun)phys.abundfloatnullable[Mn/H]? Elemental abundance [Mn/H]log(Sun)phys.abundfloatnullable[Co/H]? Elemental abundance [Co/H]log(Sun)phys.abundfloatnullable[Ni/H]? Elemental abundance [Ni/H]log(Sun)phys.abundfloatnullable[Zn/H]? Elemental abundance [Zn/H]log(Sun)phys.abundfloatnullable[Zr/H]? Elemental abundance [Zr/H]log(Sun)phys.abundfloatnullable[Ba/H]? Elemental abundance [Ba/H]log(Sun)phys.abundfloatnullable[La/H]? Elemental abundance [La/H]log(Sun)phys.abundfloatnullable[Ce/H]? Elemental abundance [Ce/H]log(Sun)phys.abundfloatnullableVMAG? Absolute V magnitudemagphys.magAbs;em.opt.VfloatnullableDist? Distancepcpos.distance;pos.heliocentricfloatnullableRV? Radial velocitykm/sphys.veloc;pos.heliocentricfloatnullablee_RV? rms uncertainty on RVkm/sstat.errorfloatnullableUvel? U velocitykm/sphys.veloc;pos.cartesian.xfloatnullablee_Uvel? rms uncertainty on Uvelkm/sstat.errorfloatnullableVvel? V velocitykm/sphys.veloc;pos.cartesian.yfloatnullablee_Vvel? rms uncertainty on Vvelkm/sstat.errorfloatnullableWvel? W velocitykm/sphys.veloc;pos.cartesian.zfloatnullablee_Wvel? rms uncertainty on Wvelkm/sstat.errorfloatnullable