J/A+A/557/A70ivo://CDS.VizieR/J/A+A/557/A70doi:10.26093/cds/vizier.35570070CDSMortier A.Santos N.C.Sousa S.G.Adibekyan V.Zh.Delgado Mena E.,Tsantaki M.Israelian G.Mayor M.2017-11-10T11:16:13Z2013-09-03T08:31:15ZCDS support team

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

cds-question@unistra.frmultiple-starssolar-system-planetsmetallicityeffective-temperaturestellar-massesIt is still being debated whether the well-known metallicity - giant planet correlation for dwarf stars is also valid for giant stars. For this reason, having precise metallicities is very important. Precise stellar parameters are also crucial to planetary research for several other reasons. Different methods can provide different results that lead to discrepancies in the analysis of planet hosts. To study the impact of different analyses on the metallicity scale for evolved stars, we compare different iron line lists to use in the atmospheric parameter derivation of evolved stars. Therefore, we use a sample of 71 evolved stars with planets. With these new homogeneous parameters, we revisit the metallicity - giant planet connection for evolved stars. A spectroscopic analysis based on Kurucz models in local thermodynamic equilibrium (LTE) was performed through the MOOG code to derive the atmospheric parameters. Two different iron line list sets were used, one built for cool FGK stars in general, and the other for giant FGK stars. Masses were calculated through isochrone fitting, using the Padova models. Kolmogorov-Smirnov tests (K-S tests) were then performed on the metallicity distributions of various different samples of evolved stars and red giants. All parameters compare well using a line list set, designed specifically for cool and solar-like stars to provide more accurate temperatures. All parameters derived with this line list set are preferred and are thus adopted for future analysis. We find that evolved planet hosts are more metal-poor than dwarf stars with giant planets. However, a bias in giant stellar samples that are searched for planets is present. Because of a colour cut-off, metal-rich low-gravity stars are left out of the samples, making it hard to compare dwarf stars with giant stars. Furthermore, no metallicity enhancement is found for red giants with planets (logg<3.0dex) with respect to red giants without planets.2013A&A...557A..70Mhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/557/A70CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/415/1153 : [Fe/H] for 98 extra-solar planet-host stars (Santos+, 2004)J/A+A/458/873 : Metal-rich solar-type stars stellar parameters (Sousa+, 2006)J/A+A/469/783 : Code for automatic determination of EW (ARES) (Sousa+, 2007)J/A+A/487/373 : Spectroscopic parameters of 451 HARPS-GTO stars (Sousa+, 2008)J/A+A/475/1003 : Stellar parameters of G and K giant stars (Hekker+, 2007)J/A+A/512/A47 : 3 stars with giant planets radial velocities (Santos+, 2010)J/A+A/527/A63 : 7 new HARPS planetary systems RV (Moutou+, 2011)J/A+A/533/A141 : Stellar parameters for 582 HARPS FGK stars (Sousa+, 2011)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/557/A70https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/557/A70http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/557/A70https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/557/A70https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/557/A70http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/557/A70GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/557/A70/table5 (Parameters from SO08-TS13 line list set (all stars) (Sousa et al. 2008, Cat. J/A+A/487/373))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/557/A70/table5?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/557/A70/table5?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/557/A70/table5?GETtext/xml+votable180.050000true185.179277217.79287030.0055555555555555566/341 685 737 2312 2577 3118 4285 4429 4441 4444 5718 6219 8671 9753 10278 11473 12030 12306 12482 12612 14466 15273 16213 17266 17496 17731 17764 18028 18172 18441 18688 18953 19669 19815 20886 21223 21406 21531 21941 22518 22878 23322 25114 25446 26120 26938 27060 27220 27682 27881 28044 28085 28274 29589 30170 30419 30541 30770 31813 33243 33377 34773 36092 39446 39675 42281 42318 43022 43893 48108-48109https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/557/A70?format=asciidefaultJ/A+A/557/A70/table5Parameters from SO08-TS13 line list set (all stars) (Sousa et al. 2008, Cat. J/A+A/487/373)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarStar namemeta.id;meta.maincharTeffEffective temperatureKphys.temperature.effectiveinte_TeffError effective temperatureKstat.error;phys.temperature.effectiveintloggSurface gravitylog(cm.s**-2)phys.gravityfloate_loggError surface gravitylog(cm.s**-2)stat.errorfloat[Fe/H]Metallicityphys.abund.Zfloate_[Fe/H]Error metallicitystat.error;phys.abund.FefloatvtMicroturbulence {xi}km/sphys.veloc.microTurbfloate_vtError microturbulencekm/sstat.errorfloatMass? Stellar mass (not for cool stars, tablea1)solMassphys.massfloatnullablee_Mass? Error on stellar mass (not for cool stars, tablea1)solMassstat.error;phys.massfloatnullableSimbadSimbad column added by the CDSmeta.ref.urlchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainJ/A+A/557/A70/table6Parameters from HM07 line list (all stars) (Hekker and Melendez 2007, Cat. J/A+A/475/1003)[Fe/H]Metallicityphys.abund.ZfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarStar namemeta.id;meta.maincharTeffEffective temperatureKphys.temperature.effectiveinte_TeffError effective temperatureKstat.error;phys.temperature.effectiveintloggSurface gravitylog(cm.s**-2)phys.gravityfloate_loggError surface gravitylog(cm.s**-2)stat.errorfloate_[Fe/H]Error metallicitystat.error;phys.abund.FefloatvtMicroturbulence {xi}km/sphys.veloc.microTurbfloate_vtError microturbulencekm/sstat.errorfloatMass? Stellar mass (not for cool stars, tablea1)solMassphys.massfloatnullablee_Mass? Error on stellar mass (not for cool stars, tablea1)solMassstat.error;phys.massfloatnullableSimbadSimbad column added by the CDSmeta.ref.urlcharJ/A+A/557/A70/tablea1Parameters from SO08 line list (cool stars)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarStar namemeta.id;meta.maincharTeffEffective temperatureKphys.temperature.effectiveinte_TeffError effective temperatureKstat.error;phys.temperature.effectiveintloggSurface gravitylog(cm.s**-2)phys.gravityfloate_loggError surface gravitylog(cm.s**-2)stat.errorfloat[Fe/H]Metallicityphys.abund.Zfloate_[Fe/H]Error metallicitystat.error;phys.abund.FefloatvtMicroturbulence {xi}km/sphys.veloc.microTurbfloate_vtError microturbulencekm/sstat.errorfloatMass? Stellar mass (not for cool stars, tablea1)solMassphys.massfloatnullablee_Mass? Error on stellar mass (not for cool stars, tablea1)solMassstat.error;phys.massfloatnullableSimbadSimbad column added by the CDSmeta.ref.urlchar