J/AJ/146/133ivo://CDS.VizieR/J/AJ/146/133doi:10.26093/cds/vizier.51460133CDSMeszaros Sz.Holtzman J.Garcia Perez A.E.Allende Prieto C.,Schiavon R.P.Basu S.Bizyaev D.Chaplin W.J.Chojnowski S.D.,Cunha K.Elsworth Y.Epstein C.Frinchaboy P.M.Garcia R.A.,Hearty F.R.Hekker S.Johnson J.A.Kallinger T.Koesterke L.,Majewski S.R.Martell S.L.Nidever D.Pinsonneault M.H.O'Connell J.,Shetrone M.Smith V.V.Wilson J.C.Zasowski G.2018-01-04T08:22:31Z2014-07-21T09:35:09ZCDS support team

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

cds-question@unistra.frglobular-star-clustersopen-star-clusterschemical-abundanceseffective-temperatureThe Sloan Digital Sky Survey III (SDSS-III) Apache Point Observatory Galactic Evolution Experiment (APOGEE) is a three-year survey that is collecting 10^5^ high-resolution spectra in the near-IR across multiple Galactic populations. To derive stellar parameters and chemical compositions from this massive data set, the APOGEE Stellar Parameters and Chemical Abundances Pipeline (ASPCAP) has been developed. Here, we describe empirical calibrations of stellar parameters presented in the first SDSS-III APOGEE data release (DR10). These calibrations were enabled by observations of 559 stars in 20 globular and open clusters. The cluster observations were supplemented by observations of stars in NASA's Kepler field that have well determined surface gravities from asteroseismic analysis. We discuss the accuracy and precision of the derived stellar parameters, considering especially effective temperature, surface gravity, and metallicity; we also briefly discuss the derived results for the abundances of the {alpha}-elements, carbon, and nitrogen. Overall, we find that ASPCAP achieves reasonably accurate results for temperature and metallicity, but suffers from systematic errors in surface gravity. We derive calibration relations that bring the raw ASPCAP results into better agreement with independently determined stellar parameters. The internal scatter of ASPCAP parameters within clusters suggests that metallicities are measured with a precision better than 0.1dex, effective temperatures better than 150K, and surface gravities better than 0.2dex. The understanding provided by the clusters and Kepler giants on the current accuracy and precision will be invaluable for future improvements of the pipeline.2013AJ....146..133Mhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/146/133CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)VII/202 : Globular Clusters in the Milky Way (Harris, 1997)J/AJ/142/59 : Chemical abundance in 10 open clusters (Jacobson+, 2011)J/AJ/141/175 : Abundances in M15 RGB/RHB stars (Sobeck+, 2011)J/A+A/497/497 : Physical parameters from JHK flux (Gonzalez-Hernandez+, 2009)J/A+A/511/A56 : Abundances of five open clusters (Pancino+, 2010)J/AJ/139/2289 : Abundances of five red giants in M5 (Koch+, 2010)J/ApJ/689/1031 : Heavy element abundances in giant stars (Yong+, 2008)J/A+A/431/933 : Abundances of NGC 7789 evolved stars (Tautvaisiene+, 2005)J/AJ/129/303 : Abundances of stars in M3 and M13 (Cohen+, 2005)J/AJ/121/327 : Abundances of Red Clump Stars in NGC6819 (Bragaglia+, 2001)J/A+A/360/499 : Equivalent widths of 9 stars of M 67 (Tautvaisiene+, 2000)J/AJ/120/1364 : Abundances in M3 and M13 (Cavallo+, 2000)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/146/133https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/146/133http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/146/133https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/146/133https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/146/133http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/146/133GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/146/133/table4 (Properties of stars used for validation of ASPCAP (APOGEE Stellar Parameters and Chemical Abundances Pipeline) (2015-03-12 version))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/146/133/table4?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/146/133/table4?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/146/133/table4?GETtext/xml+votable180.050000true259.092833342.96766670.0055555555555555565/115 3688 6/472 474 475 485 496 497 4078 4255 4296 4298 6149 9436 9664 9666 10321 10336 10337 12405 12943 14175 14573 14575 19091 24344 27975 27981 27986 27992 28067 30769 31416 314178.650015785639275e-20 1.7003137259100215e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/146/133?format=asciiOpticaldefaultJ/AJ/146/133/table4Properties of stars used for validation of ASPCAP (APOGEE Stellar Parameters and Chemical Abundances Pipeline) (2015-03-12 version)SimbadNameSimbad column added by the CDSmeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint2MASSThe 2MASS identifier (JHHMMSSss+DDMMSSs) (1)meta.id;meta.maincharClusterCluster identifier (2)meta.id.parentcharHRVHeliocentric radial velocitykm/sspect.dopplerVeloc;pos.heliocentricfloatTeff1ASPCAP effective temperature T_A_Kphys.temperature.effectivefloatTeff2? Corrected effective temperature T_cor_ (3)Kphys.temperature.effectivefloatnullablee_Teff2? The 1{sigma} error in Teff2Kstat.errorfloatnullablelogg1log ASPCAP surface gravity log.g_A_log(cm.s**-2)arith.zpfloatlogg2? Corrected surface gravity log.g_cor_ (3)log(cm.s**-2)phys.gravityfloatnullable[M/H]1ASPCAP metallicity [M/H]_A_log(Sun)phys.abundfloat[M/H]2? Corrected metallicity [M/H]_cor_ (3)log(Sun)phys.abundfloatnullablee_[M/H]2? The 1{sigma} error in [M/H]2log(Sun)stat.error;phys.abundfloatnullable[C/M]ASPCAP carbon abundancelog(Sun)phys.abundfloat[N/M]ASPCAP nitrogen abundancelog(Sun)phys.abundfloat[a/M]ASPCAP {alpha} abundancelog(Sun)phys.abundfloatS/N[72/1251] Signal-to-noisestat.snrfloatJmag? 2MASS J band magnitudemagphot.mag;em.IR.JfloatnullableHmag2MASS H band magnitudemagphot.mag;em.IR.HfloatKmag? 2MASS Ks band magnitudemagphot.mag;em.IR.Kfloatnullable_RAPosition from 2MASS name (right ascension part)degpos.eq.ra;meta.main_DEPosition from 2MASS name (declination part)degpos.eq.dec;meta.main