J/AJ/132/161ivo://CDS.VizieR/J/AJ/132/161doi:10.26093/cds/vizier.51320161CDSGray R.O.Corbally C.J.Garrison R.F.McFadden M.T.Bubar E.J.,McGahee C.E.O'Donoghue A.A.Knox E.R.2018-11-19T07:22:25Z2007-10-27T17:19:34ZCDS support team

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

cds-question@unistra.frchemical-abundanceseffective-temperatureWe are obtaining spectra, spectral types, and basic physical parameters for the nearly 3600 dwarf and giant stars earlier than M0 in the Hipparcos catalog within 40pc of the Sun. Here we report on results for 1676 stars in the southern hemisphere observed at Cerro Tololo Inter-American Observatory and Steward Observatory. These results include new, precise, homogeneous spectral types, basic physical parameters (including the effective temperature, surface gravity, and metallicity [M/H]), and measures of the chromospheric activity of our program stars. We include notes on astrophysically interesting stars in this sample, the metallicity distribution of the solar neighborhood, and a table of solar analogs. We also demonstrate that the bimodal nature of the distribution of the chromospheric activity parameter logR'_HK_ depends strongly on the metallicity, and we explore the nature of the "low-metallicity" chromospherically active.2006AJ....132..161Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/132/161CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/126/2048 : NStars project: the Northern Sample. I. (Gray+, 2003)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/132/161https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/132/161http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/132/161https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/132/161https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/132/161http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/132/161GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/132/161/table2 (Spectral types, basic physical parameters and chromospheric indices)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/132/161/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/132/161/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/132/161/table2?GETtext/xml+votable180.050000true0.1680003-69.67596560.0055555555555555566/137 684 4591 12592 12944 14419 15174 16386 16393 16401 16412 16451 16502 16508 16514 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48749 48757 48768 48788 48792 48807 48821 48838 48846 48871 48882 48883 48886 48906 48908 48923 48943 48958 48964 48967 49010 49026 49064 49089https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/132/161?format=asciidefaultJ/AJ/132/161/notesIndividual notesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameStar namemeta.id;meta.maincharNoteText of the notemeta.notecharJ/AJ/132/161/table2Spectral types, basic physical parameters and chromospheric indicesSimbadNameSimbad column added by the CDSmeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameStar namemeta.id;meta.maincharHIP? Hipparcos catalog designationmeta.idintnullableprimaryn_HIP[*] For HIP 117815, 2 HD designationsmeta.notecharHD/DMThe HD or DM designationmeta.idcharSpTypeMK Spectral typesrc.spTypecharn_SpType[*] Note on the spectral type in notes.dat filemeta.notecharTeff? Effective temperatureKphys.temperature.effectiveintnullablelog(g)? Log of the surface gravitylog(cm.s**-2)phys.gravityfloatnullableVTurb? Microturbulent velocitykm/sphys.velocfloatnullable[M/H]? Overall metal abundance (2)phys.abund.ZfloatnullableNote[*] indicates a note detailed in notes.dat filemeta.notecharFit[K] Remark on the fitting process (3)meta.notecharSMW? Mt. Wilson system chromospheric activity indexphot.flux;arith.ratiofloatnullablelogR? Ca II K & H line chromospheric flux measurephot.flux;arith.ratiofloatnullableACChromospheric activity class (4)src.classcharn_AC[*] Note on the chromospheric activity in notes.dat filemeta.notecharObsSpectrum source (5)meta.id;instr.telchart5meta.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/AJ/132/161/table5Solar AnaloguesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHIPHipparcos catalog designationmeta.id;meta.mainintHD/DMThe HD or DM designationmeta.idcharNoteNote (1)meta.notecharSimbadSimbad column added by the CDSmeta.ref.urlchar