J/ApJ/861/149ivo://CDS.VizieR/J/ApJ/861/149doi:10.26093/cds/vizier.18610149CDSFurlan E.Ciardi D.R.Cochran W.D.Everett M.E.Latham D.W.Marcy G.W.,Buchhave L.A.Endl M.Isaacson H.Petigura E.A.Gautier T.N.Huber D.,Bieryla A.Borucki W.J.Brugamyer E.Caldwell C.Cochran A.,Howard A.W.Howell S.B.Johnson M.C.MacQueen P.J.Quinn S.N.,Robertson P.Mathur S.Batalha N.M.2020-02-14T06:08:41Z2019-08-12T12:55:39ZCDS support team

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

cds-question@unistra.frmetallicitymultiple-starsvisible-astronomyspectroscopysolar-system-planetsWe present results from spectroscopic follow-up observations of stars identified in the Kepler field and carried out by teams of the Kepler Follow-up Observation Program. Two samples of stars were observed over 6yr (2009-2015): 614 standard stars (divided into "platinum" and "gold" categories) selected based on their asteroseismic detections and 2667 host stars of Kepler Objects of Interest (KOIs), most of them planet candidates. Four data analysis pipelines were used to derive stellar parameters for the observed stars. We compare the Teff, log(g), and [Fe/H] values derived for the same stars by different pipelines; from the average of the standard deviations of the differences in these parameter values, we derive error floors of ~100K, 0.2dex, and 0.1dex for Teff, log(g), and [Fe/H], respectively. Noticeable disagreements are seen mostly at the largest and smallest parameter values (e.g., in the giant star regime). Most of the log(g) values derived from spectra for the platinum stars agree on average within 0.025dex (but with a spread of 0.1-0.2dex) with the asteroseismic log(g) values. Compared to the Kepler Input Catalog (KIC), the spectroscopically derived stellar parameters agree within the uncertainties of the KIC but are more precise and thus an important contribution toward deriving more reliable planetary radii.2018ApJ...861..149Fhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/861/149CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVI/120 : High-resolution synthetic stellar library (Coelho+, 2005)V/133 : Kepler Input Catalog (Kepler Mission Team, 2009)J/ApJS/190/1 : A survey of stellar families (Raghavan+, 2010)J/ApJ/728/117 : Kepler planetary candidates. I. (Borucki+, 2011)J/ApJ/736/19 : Kepler planetary candidates. II. (Borucki+, 2011)J/AJ/142/112 : KIC photometric calibration (Brown+, 2011)J/AJ/141/45 : Speckle observations of HIP stars (Horch+, 2011)J/AJ/142/160 : Kepler Mission. II. EBs in DR2 (Slawson+, 2011)J/other/Nat/486.375 : Stellar parameters of KOI stars (Buchhave+, 2012)J/ApJS/199/30 : Eff. temperature scale for KIC stars (Pinsonneault+, 2012)J/ApJ/757/161 : Spectroscopy of 56 exoplanet host stars (Torres+, 2012)J/ApJS/204/24 : Kepler planetary candidates. III. (Batalha+, 2013)J/ApJ/771/107 : Spectroscopy of faint KOI stars (Everett+, 2013)J/ApJ/767/127 : Asteroseismic solutions for 77 Kepler stars (Huber+, 2013)J/A+A/558/A106 : Chemical abundances for 83 transit hosts (Mortier+, 2013)J/ApJS/208/9 : Intrinsic colors & temperatures of PMS stars (Pecaut+, 2013)J/ApJ/770/69 : Kepler planet candidates radii (Petigura+, 2013)J/ApJS/210/19 : Kepler planetary candidates. IV. 22 months (Burke+, 2014)J/ApJS/210/1 : Asteroseismic study of solar-type stars (Chaplin+, 2014)J/AJ/147/119 : Cat. of sources in Kepler field of view (Coughlin+, 2014)J/ApJS/211/2 : Revised properties of Q1-16 Kepler targets (Huber+, 2014)J/ApJS/210/20 : Small Kepler planets radial velocities (Marcy+, 2014)J/ApJS/215/19 : APOKASC catalog of Kepler red giants (Pinsonneault+, 2014)J/ApJ/784/45 : Kepler's multiple planet candidates. III. (Rowe+, 2014)J/ApJ/808/187 : Metallicities of KIC stars without planets (Buchhave+, 2015)J/ApJS/220/19 : LAMOST obs. in the Kepler field. I. (De Cat+, 2015)J/ApJS/217/31 : Kepler planetary cand. VI. 4yr Q1-Q16 (Mullally+, 2015)J/ApJS/217/16 : Kepler planetary candidates. V. 3yr Q1-Q12 (Rowe+, 2015)J/ApJS/217/18 : Potential transit signals in Kepler Q1-Q17 (Seader+, 2015)J/ApJS/224/12 : Kepler planetary candidates. VII. 48-month (Coughlin+, 2016)J/ApJ/827/50 : Kepler faint red giants (Mathur+, 2016)J/ApJ/822/86 : False positive prob. for Q1-Q17 DR24 KOIs (Morton+, 2016)J/A+A/587/A64 : Physical properties of giant exoplanets (Santerne+, 2016)J/MNRAS/463/1297 : Asteroseismology of misclassified red giants (Yu+, 2016)J/AJ/153/71 : Kepler follow-up obs. program. I. Imaging (Furlan+, 2017)J/AJ/154/108 : California-Kepler Survey (CKS). II. (Johnson+, 2017)J/ApJS/229/30 : Revised properties of Q1-17 Kepler targets (Mathur+, 2017)J/AJ/154/107 : California-Kepler Survey. I. 1305 stars (Petigura+, 2017)J/ApJS/235/38 : Kepler planetary cand. VIII. DR25 rel. (Thompson+, 2018)http://exoplanetarchive.ipac.caltech.edu/ : NASA exoplanet archivehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/861/149https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/861/149http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/861/149https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/861/149https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/861/149http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/861/149GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/861/149/table3 (Summary of KFOP spectroscopic observations of Kepler stars (standard stars, KOI host stars))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/861/149/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/861/149/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/861/149/table3?GETtext/xml+votable180.050000true303.6334836.80630110.0055555555555555564/922 923 933 934 935 944 945 946 5/3645 3646 3647 3683 3704 3706 3729 3730 3731 3788 3789 3792 3793 6/14559 14567 14573 14575 14577 14578 14579 14640 14725 14730 14731 14738 14744 14745 14746 14749 14750 14751 14786 14792 14794 14795 14821 14822 14828 14830 14838 14842 14879 14901 14902 14914 14915 15040 15041 15043 15044 15045 15057 15059 15060 15061 15062 15160 15161 15176 15178 15200 15202 15232 152338.650015785639275e-20 9.710690472292815e-20https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/861/149?format=asciiOpticaldefaultJ/ApJ/861/149/table6*Stellar parameters of the Gold standard stars derived from Tillinghast spectra with SPCKOI[1/5665]? KOI designationmeta.idintnullablelog(g)[2.3/4.8] log surface gravitylog(cm.s**-2)phys.gravityfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintKIC[1430163/12735580] KIC identifiermeta.id;meta.mainintTeff[4699/6662] Effective temperatureKphys.temperature.effectiveinte_Teff[49/61] Uncertainty in TeffKstat.error;phys.temperature.effectiveinte_log(g)[0.1/0.2] Uncertainty in log(g)log(cm.s**-2)stat.errorfloat[Fe/H][-0.8/0.5] Metallicitylog(Sun)phys.abund.Zfloate_[Fe/H][0.08] Uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatJ/ApJ/861/149/table3Summary of KFOP spectroscopic observations of Kepler stars (standard stars, KOI host stars)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintKOI[0/7619] Kepler Object of Interest designation (G2)meta.idintKIC[757450/12885212] Kepler Input Catalog identifiermeta.id;meta.mainintprimaryGroup[0/2] Group number (G3)meta.codeintTelTelescope used (G1)instr.setupcharInstInstrument usedinstr.setupcharR[60/67000] Resolving powerspect.resolutionintRangeSpectrograph wavelength coveragenminstr.bandwidthcharSNR[2/266.3]? Signal-to-Noise Ratio of the spectrum at lambdastat.snrfloatnullablelambda[440/565]? Wavelength at which SNR was measurednmem.wlintnullableDateObservation datetime.epoch;obsnullableAllDisplay all data for this KIC in this cataloguemeta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPosition from KIC catalog (V/133) (right ascension part)degpos.eq.ra;meta.main_DEPosition from KIC catalog (V/133) (declination part)degpos.eq.dec;meta.mainJ/ApJ/861/149/table2Summary of KOI host stars with spectroscopic observationsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintKOI[1/7619] Kepler Object of Interest designationmeta.idintKIC[757450/12885212] Kepler Input Catalog identifiermeta.id;meta.mainintCP[0/6] Number of confirmed planetsmeta.numberintPC[0/4] Number of planet candidatesmeta.numberintFP[0/5] Number of false positivesmeta.numberintRp[0.1/200346] Radius, smallest planet in system (1)(6.3781x10+6m)phys.size.radiusdoubleKOI-Rp[1.01/7619.01] KOI identifier of smallest planet in systemmeta.id.assocfloatTeq[25/14225] Equilibrium temperature of coolest planet in system (1)Kphys.temperatureintKOI-Teq[1.01/7619.01] KOI identifier of coolest planet in systemmeta.id.assocfloatKpmag[6.9/17.2] Host star Kepler apparent magnitudemagphot.mag;em.optfloatVmag[7.5/17.6] Host star V band apparent magnitudemagphot.mag;em.opt.VfloatKsmag[4.7/14.7] Host star 2MASS Ks band apparent magnitudemagphot.mag;em.IR.KfloatTelObservatories where data were obtained (G1)meta.id;instr.telcharJ/ApJ/861/149/table9Combined stellar parameters of the Platinum standard stars, Gold standard stars, and KOI host starsNum[1/4] Number of combined measurementsmeta.numberintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintKOI[0/7619] KOI designation (G2)meta.idintKIC[1026957/12885212] KIC identifier (1)meta.id;meta.mainintGroup[0/2]? Group number (G3)meta.codeintnullableTeff[0/8875] Combined effective temperature (2)Kphys.temperature.effectiveinte_Teff[100/530] Uncertainty in TeffKstat.error;phys.temperature.effectiveintlog(g)[1/5] Combined log surface gravity (2)log(cm.s**-2)phys.gravityfloate_log(g)[0.2/0.9] Uncertainty in log(g)log(cm.s**-2)stat.errorfloat[Fe/H][-1/0.5] Combined metallicity (2)log(Sun)phys.abund.Zfloate_[Fe/H][0.1/0.4] Uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatJ/ApJ/861/149/table4*Stellar parameters of the Platinum standard starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintKOI[1/7619]? KOI designationmeta.idintnullableKIC[1026957/12885212] KIC identifiermeta.id;meta.mainintTeff1[4800/6754]? SPC Effective temperatureKphys.temperature.effectiveintnullablee_Teff1[49/128]? SPC uncertainty in TeffKstat.errorintnullablelog(g)1[3.2/4.8]? SPC log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)1[0.1/0.3]? SPC uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]1[-1/0.5]? SPC Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]1[0.08/0.2]? SPC uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatnullableTeff2[3737/8875]? Kea Effective temperatureKphys.temperature.effectiveintnullablee_Teff2[25/530]? Kea uncertainty in TeffKstat.errorintnullablelog(g)2[1/5]? Kea log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)2[0.04/0.9]? Kea uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]2[-1/0.5]? Kea Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]2[0.02/0.4]? Kea uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatnullableTeff3[0/6562]? SpecMatch Effective temperatureKphys.temperature.effectiveintnullablee_Teff3[60/64]? SpecMatch uncertainty in TeffKstat.errorintnullablelog(g)3[2.2/4.8]? SpecMatch log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)3[0.07/0.1]? SpecMatch uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]3[-0.7/0.5]? SpecMatch Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]3[0.04/0.1]? SpecMatch uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatnullableTeff4[4570/6682]? Newspec Effective temperatureKphys.temperature.effectiveintnullablee_Teff4[75]? Newspec uncertainty in TeffKstat.errorintnullablelog(g)4[4/4.7]? Newspec log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)4[0.15]? Newspec uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]4[-0.3/0.3]? Newspec Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]4[0.1]? Newspec uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatnullableJ/ApJ/861/149/table7*Stellar parameters of KOI host starsTeff4[4570/6682]? Newspec Effective temperatureKphys.temperature.effectiveintnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintKOI[1/7619]? KOI designationmeta.idintnullableKIC[1026957/12885212] KIC identifiermeta.id;meta.mainintTeff1[4800/6754]? SPC Effective temperatureKphys.temperature.effectiveintnullablee_Teff1[49/128]? SPC uncertainty in TeffKstat.errorintnullablelog(g)1[3.2/4.8]? SPC log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)1[0.1/0.3]? SPC uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]1[-1/0.5]? SPC Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]1[0.08/0.2]? SPC uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatnullableTeff2[3737/8875]? Kea Effective temperatureKphys.temperature.effectiveintnullablee_Teff2[25/530]? Kea uncertainty in TeffKstat.errorintnullablelog(g)2[1/5]? Kea log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)2[0.04/0.9]? Kea uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]2[-1/0.5]? Kea Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]2[0.02/0.4]? Kea uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.FefloatnullableTeff3[0/6562]? SpecMatch Effective temperatureKphys.temperature.effectiveintnullablee_Teff3[60/64]? SpecMatch uncertainty in TeffKstat.errorintnullablelog(g)3[2.2/4.8]? SpecMatch log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)3[0.07/0.1]? SpecMatch uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]3[-0.7/0.5]? SpecMatch Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]3[0.04/0.1]? SpecMatch uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.Fefloatnullablee_Teff4[75]? Newspec uncertainty in TeffKstat.errorintnullablelog(g)4[4/4.7]? Newspec log surface gravitylog(cm.s**-2)phys.gravityfloatnullablee_log(g)4[0.15]? Newspec uncertainty in log(g)log(cm.s**-2)stat.errorfloatnullable[Fe/H]4[-0.3/0.3]? Newspec Metallicitylog(Sun)phys.abund.Zfloatnullablee_[Fe/H]4[0.1]? Newspec uncertainty in [Fe/H]log(Sun)stat.error;phys.abund.Fefloatnullable