J/ApJ/878/99ivo://CDS.VizieR/J/ApJ/878/99doi:10.26093/cds/vizier.18780099CDSLum M.G.Boesgaard A.M.2021-09-09T13:07:01Z2021-01-11T14:36:01ZCDS support team

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

cds-question@unistra.fropen-star-clusterschemical-abundancesvisible-astronomyspectroscopydwarf-starsgiant-starsline-intensitiesThe chemical composition of stars in open clusters provides the best information on the chemical evolution of stars via comparison of main-sequence stars with evolved giants. This is a case study of the abundances in the dwarfs and giants in the old open cluster NGC 752. It is also a pilot program for automated abundance determinations, including equivalent-width measurements, stellar parameter determinations, and abundance analysis. We have found abundances of 31 element-ion combinations in 23 dwarfs and six giants. The mean cluster abundance of Fe is solar with [Fe/H]=-0.01+/-0.06 with no significant difference between the dwarfs and giants. We find that the cluster abundances of other elements, including alpha-elements, to be at or slightly above solar levels. We find some evidence for CNO processing in the spectra of the giants. The enhancement of Na in giants indicates that the NeNa cycle has occurred. The abundances of Mg and Al are similar in the dwarfs and giants, indicating that the hotter MgAl cycle has not occurred. We find no evidence of s-process enhancements in the abundances of heavy elements in the giants.2019ApJ...878...99Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/878/99CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/177 : Proper motions in NGC 752 (Platais 1992)I/259 : The Tycho-2 Catalogue (Hog+ 2000)I/345 : Gaia DR2 (Gaia Collaboration, 2018)VII/233 : The 2MASS Extended sources (IPAC/UMass, 2003-2006)J/A+A/275/101 : Chemical evolution of Galactic disk I. (Edvardsson+ 1993)J/PASP/106/281 : Photometry and radial velocities in NGC752 (Daniel+, 1994)J/AJ/113/1073 : Abundances in Cepheid Variables (Fry+ 1997)J/A+A/326/751 : Chemical composition of halo and disk stars (Nissen+, 1997)J/A+AS/131/431 : Accurate wavelengths in Sun spectrum (Allende Prieto+ 1998)J/A+A/339/423 : Velocities of red giants in NGC 752 (Mermilliod+ 1998)J/A+A/402/343 : IR OI triplet & lines in F-K dwarfs/giants (Takeda, 2003)J/AN/328/938 : Teff/line-depth ratio for ELODIE spectra (Biazzo+, 2007)J/ApJ/667/1267 : CrI transition probabilities (Sobeck+, 2007)J/ApJS/182/51 : Rare earth element transition probabilities (Lawler+, 2009)J/A+A/512/A54 : Teff and Fbol from Infrared Flux Method (Casagrande+, 2010)J/A+A/511/A56 : Abundances of five open clusters (Pancino+, 2010)J/A+A/525/A63 : Abundances in Ba stars (Allen+, 2011)J/A+A/535/A30 : Abundances of 12 stars in open clusters (Carrera+, 2011)J/ApJS/194/35 : Atomic transition probabilities of Mn (Den Hartog+, 2011)J/MNRAS/419/1350 : Red giants abundances in 4 open clusters (Reddy+, 2012)J/MNRAS/431/3338 : Abundances of red giants in open clusters (Reddy+, 2013)J/ApJS/208/27 : Sun and HD 84937 TiII log(gf) and abundances (Wood+, 2013)J/A+A/566/A98 : The Gaia Benchmark Stars - Library (Blanco-Cuaresma+, 2014)J/ApJS/215/23 : FeI radiative lifetimes (Den Hartog+, 2014)J/ApJS/215/20 : Vanadium log(gf) & transition probabilities (Lawler+, 2014)J/ApJS/214/26 : Line lists for CN isotopes transitions (Sneden+, 2014)J/ApJS/211/20 : NiI transition probability measurements (Wood+, 2014)J/MNRAS/446/3562 : Abundances of red giants in NGC752 (Bocek Topcu+, 2015)J/MNRAS/454/2863 : Teff against colours calibrations (Huang+, 2015)J/A+A/582/A81 : Gaia FGK benchmark stars: abundances (Jofre+, 2015)J/ApJS/220/13 : Co I transition probabilities (Lawler+, 2015)J/AJ/150/134 : uvbyCaH{beta} photometry of NGC 752 (Twarog+, 2015)J/A+A/592/A70 : Gaia FGK stars: low-metallicities cand. (Hawkins+, 2016)J/AJ/153/128 : WOCS. LXXV. Hyades&Praesepe lithium data (Cummings+, 2017)J/ApJ/862/33 : Improved & expanded membership for NGC752 (Agueros+, 2018)http://koa.ipac.caltech.edu/ : Keck Observatory Archive (KOA) home pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/878/99https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/878/99http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/878/99https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/878/99https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/878/99http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/878/99GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/878/99/table1 (NGC 752 archive observations)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/878/99/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/878/99/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/878/99/table1?GETtext/xml+votable180.050000true28.862538.142220.0055555555555555566/2350 2433 2436 2438https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/878/99?format=asciiOpticaldefaultJ/ApJ/878/99/table7Measured abundances for NGC 752e_TiII[0/0.6]? TiII line variancestat.errorfloatnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintID[300/1365]? Star identification in Platais (1991, I/177)meta.id;meta.mainintnullableClCluster name ("NGC-0752")meta.id.parentcharPopPopulation ("all", "giants", "dwarf" or "indiv"=individual star)meta.notecharFeI[7.39/7.65] Abundance, [FeI/H]phys.abundfloate_FeI[0.03/0.19] FeI line variancestat.errorfloato_FeI[6/117] Number FeI lines measuredmeta.numberintq_FeI[7.7/8.7] Measured line quality (10=excellent)meta.code.qualfloatFeII[7.3/7.62] Abundance, [FeII/H]phys.abundfloate_FeII[0.02/0.22] FeII line variancestat.errorfloato_FeII[2/29] Number FeII lines measuredmeta.numberintq_FeII[7.8/10] Measured line quality (10=excellent)meta.code.qualfloatCI[-0.34/0.19]? Abundance, [CI/Fe]phys.abundfloatnullablee_CI[0/0.37]? CI line variancestat.errorfloatnullableo_CI[1/27]? Number CI lines measuredmeta.numberintnullableq_CI[0/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableNI[0.12/0.37]? Abundance, [NI/Fe]phys.abundfloatnullablee_NI[0/0.28]? NI line variancestat.errorfloatnullableo_NI[1/9]? Number NI lines measuredmeta.numberintnullableq_NI[0/1]? Measured line quality (10=excellent)meta.code.qualfloatnullableOI[-0.34/0]? Abundance, [OI/Fe]phys.abundfloatnullablee_OI[0/0.11]? OI line variancestat.errorfloatnullableo_OI[1/26]? Number OI lines measuredmeta.numberintnullableq_OI[8/9.3]? Measured line quality (10=excellent)meta.code.qualfloatnullableNaI[-0.32/0.22]? Abundance, [NaI/Fe]phys.abundfloatnullablee_NaI[0/0.18]? NaI line variancestat.errorfloatnullableo_NaI[1/20]? Number NaI lines measuredmeta.numberintnullableq_NaI[6/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableMgI[-0.1/0.17]? Abundance, [MgI/Fe]phys.abundfloatnullablee_MgI[0/0.25]? MgI line variancestat.errorfloatnullableo_MgI[1/29]? Number MgI lines measuredmeta.numberintnullableq_MgI[6/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableAlI[-0.09/0.44]? Abundance, [AlI/Fe]phys.abundfloatnullablee_AlI[0/0.12]? AlI line variancestat.errorfloatnullableo_AlI[1/28]? Number AlI lines measuredmeta.numberintnullableq_AlI[8/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableSiI[-0.04/0.17]? Abundance, [SiI/Fe]phys.abundfloatnullablee_SiI[0.02/0.18]? SiI line variancestat.errorfloatnullableo_SiI[2/30]? Number SiI lines measuredmeta.numberintnullableq_SiI[6.9/8.7]? Measured line quality (10=excellent)meta.code.qualfloatnullableCaI[-0.09/0.11]? Abundance, [CaI/Fe]phys.abundfloatnullablee_CaI[0.01/0.14]? CaI line variancestat.errorfloatnullableo_CaI[2/29]? Number CaI lines measuredmeta.numberintnullableq_CaI[6/7.4]? Measured line quality (10=excellent)meta.code.qualfloatnullableScII[-0.17/0.1]? Abundance, [ScII/Fe]phys.abundfloatnullablee_ScII[0/0.23]? ScII line variancestat.errorfloatnullableo_ScII[1/27]? Number ScII lines measuredmeta.numberintnullableq_ScII[7.8/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableTiI[0.01/0.27]? Abundance, [TiI/Fe]phys.abundfloatnullablee_TiI[0.05/0.26]? TiI line variancestat.errorfloatnullableo_TiI[5/121]? Number TiI lines measuredmeta.numberintnullableq_TiI[7.4/9.4]? Measured line quality (10=excellent)meta.code.qualfloatnullableTiII[-0.09/0.37]? Abundance, [TiII/Fe]phys.abundfloatnullableo_TiII[1/27]? Number TiII lines measuredmeta.numberintnullableq_TiII[6/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableVI[0.02/0.49]? Abundance, [VI/Fe]phys.abundfloatnullablee_VI[0.06/0.25]? VI line variancestat.errorfloatnullableo_VI[3/20]? Number VI lines measuredmeta.numberintnullableq_VI[8/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableVII[-0.02/0.48]? Abundance, [VII/Fe]phys.abundfloatnullablee_VII[0/0.12]? VII line variancestat.errorfloatnullableo_VII[1/17]? Number VII lines measuredmeta.numberintnullableq_VII[6/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableCrI[-0.1/0.17]? Abundance, [CrI/Fe]phys.abundfloatnullablee_CrI[0/0.28]? CrI line variancestat.errorfloatnullableo_CrI[1/58]? Number CrI lines measuredmeta.numberintnullableq_CrI[7.7/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableCrII[-0.19/0.04]? Abundance, [CrII/Fe]phys.abundfloatnullablee_CrII[0.03/0.25]? CrII line variancestat.errorfloatnullableo_CrII[2/13]? Number CrII lines measuredmeta.numberintnullableq_CrII[7.7/9]? Measured line quality (10=excellent)meta.code.qualfloatnullableMnI[-0.06/0.1]? Abundance, [MnI/Fe]phys.abundfloatnullablee_MnI[0.03/0.2]? MnI line variancestat.errorfloatnullableo_MnI[2/18]? Number MnI lines measuredmeta.numberintnullableq_MnI[6/8.5]? Measured line quality (10=excellent)meta.code.qualfloatnullableCoI[-0.01/0.26]? Abundance, [CoI/Fe]phys.abundfloatnullablee_CoI[0.01/0.3]? CoI line variancestat.errorfloatnullableo_CoI[2/35]? Number CoI lines measuredmeta.numberintnullableq_CoI[7.3/9.2]? Measured line quality (10=excellent)meta.code.qualfloatnullableNiI[-0.11/0.07]? ? Abundance, [NiI/Fe]phys.abundfloatnullablee_NiI[0.02/0.23]? NiI line variancestat.errorfloatnullableo_NiI[4/83]? Number NiI lines measuredmeta.numberintnullableq_NiI[7.2/8.3]? Measured line quality (10=excellent)meta.code.qualfloatnullableCuI[-0.16/0.14]? Abundance, [CuI/Fe]phys.abundfloatnullablee_CuI[0/0.06]? CuI line variancestat.errorfloatnullableo_CuI[1/22]? Number CuI lines measuredmeta.numberintnullableq_CuI[4/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableZnI[-0.48/0.06]? Abundance, [ZnI/Fe]phys.abundfloatnullablee_ZnI[0/0.19]? ZnI line variancestat.errorfloatnullableo_ZnI[1/20]? Number ZnI lines measuredmeta.numberintnullableq_ZnI[8/8]? Measured line quality (10=excellent)meta.code.qualfloatnullableYII[-0.36/0.2]? Abundance, [YII/Fe]phys.abundfloatnullablee_YII[0/0.22]? YII line variancestat.errorfloatnullableo_YII[1/20]? Number YII lines measuredmeta.numberintnullableq_YII[4/9.3]? Measured line quality (10=excellent)meta.code.qualfloatnullableZrI[-0.04/0.4]? Abundance, [ZrI/Fe]phys.abundfloatnullablee_ZrI[0/0.18]? ZrI line variancestat.errorfloatnullableo_ZrI[1/12]? Number ZrI lines measuredmeta.numberintnullableq_ZrI[6/9]? Measured line quality (10=excellent)meta.code.qualfloatnullableZrII[-0.26/0.21]? Abundance, [ZrII/Fe]phys.abundfloatnullablee_ZrII[0/0.17]? ZrII line variancestat.errorfloatnullableo_ZrII[1/10]? Number ZrII lines measuredmeta.numberintnullableq_ZrII[10]? Measured line quality (10=excellent)meta.code.qualfloatnullableCeII[-0.21/0.24]? Abundance, [CeII/Fe]phys.abundfloatnullablee_CeII[0/0.16]? CeII line variancestat.errorfloatnullableo_CeII[1/13]? Number CeII lines measuredmeta.numberintnullableq_CeII[8.5/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableNdII[0.04/0.4]? Abundance, [NdII/Fe]phys.abundfloatnullablee_NdII[0/0.19]? NdII line variancestat.errorfloatnullableo_NdII[1/13]? Number NdII lines measuredmeta.numberintnullableq_NdII[8/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableSmII[-0/0.38]? Abundance, [SmII/Fe]phys.abundfloatnullablee_SmII[0/0.16]? SmII line variancestat.errorfloatnullableo_SmII[1/10]? Number SmII lines measuredmeta.numberintnullableq_SmII[8/10]? Measured line quality (10=excellent)meta.code.qualfloatnullableJ/ApJ/878/99/table1NGC 752 archive observationsf_ID[ *D] Flag on ID (1)meta.codecharObsObserver (2)meta.codecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintn_ID[dg] Note on ID (d=dwarf; g=giant)meta.code.classcharID[300/1365] Identification number of the source from Platais 1991, I/177 (<CL* NGC 752 PLA NNNN> in Simbad)meta.id;meta.mainintprimaryH26[20/298]? Identification number in Heinemann 1926AN....227..193H (<NGC 752 NNN> in Simbad)meta.idintnullableRV62[25/487]? Identification number in Rohlfs & Vanysek 1962AAHam...5..341R (<Cl* NGC 752 RV NNN> in Simbad)meta.idintnullableRAJ2000[1] Hour of right ascension (J2000)pos.eq.ra;meta.mainDEJ2000[37/38] Degree of declination (J2000)pos.eq.dec;meta.mainlambda1[3360/6240] Minimum wavelength of the spectrum0.1nmem.wl;stat.minintlambda2Maximum wavelength of the spectrum0.1nmem.wl;stat.maxintSN6200[35/350]? 6200{AA} signal to noise ratiostat.snrintnullableSN7800[30/450]? 7800{AA} signal to noise ratiostat.snrintnullableDateDate of observation (UT)time.epochnullablef_Date[d] Flag on Date (1)meta.codecharAbundDisplay the measured abundances for this star (link to Table 7)meta.ref.urlcharNeqwNumber of equivalent width measurements (link to Table 10)meta.numberintnullableSimbadSimbad column added by the CDSmeta.ref.urlcharJ/ApJ/878/99/table4Absorption line listrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintElElementphys.atmol.elementcharIonIonization Statephys.atmol.ionStagecharlambda[3500.3/8989.5] Central Wavelength, Angstroms0.1nmem.wl.centraldoubleExPot[0/10.8] Excitation PotentialeVphys.atmol.excitationfloatloggf[-10.2/0.7] log statistical weight*oscillator strengthstat.weight;phys.atmol.oscStrengthfloatRefReference(s) (see refs.dat file)meta.ref;pos.framecharJ/ApJ/878/99/table10Equivalent widths as measuredrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintID[300/1365] Star identification in Platais (1991, I/177)meta.id;meta.mainintIon[6/62.1] Element and Ionization statephys.atmol.ionStagefloatlambda[4474.8/8567.7] Central wavelength of line0.1nmem.wl.central;spect.linedoubleEW[2.9/249.7] Measured Equivalent Width0.1pmspect.line.eqWidthfloatJ/ApJ/878/99/refsReferencesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRef[1/68] Reference codemeta.noteintAuthFirst author's name(s)meta.bib.authorcharBibCodeBibcode of the referencemeta.bib.bibcodecharCommCommentmeta.notechar