J/AJ/127/373ivo://CDS.VizieR/J/AJ/127/373doi:10.26093/cds/vizier.51270373CDSTautvaisiene G.Wallerstein G.Geisler D.Gonzalez G.Charbonnel C.2023-04-06T16:51:05Z2004-12-03T21:34:03ZCDS support team

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

cds-question@unistra.frglobular-star-clustersgiant-starschemically-peculiar-starsChemical abundances in three giants in Terzan 7, a globular cluster associated with the Sagittarius dwarf galaxy, have been determined using high-resolution spectra obtained with the UVES spectrograph on the ESO 8.2m Kueyen telescope. We find the overall metallicity of the stars to be [Fe/H]=-0.61+/-0.07, which is slightly higher than that previously evaluated from photometry and used for the age determination of this cluster. This metallicity yields an age of about 6Gyr, which is slightly lower than derived from previous estimates. The relative abundance ratios of various chemical elements to iron lie between those of its host galaxy's metal-poor and metal-rich stars and reveal an intriguing similarity to the pattern seen in the Large Magellanic Cloud.2004AJ....127..373Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/127/373CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/127/373https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/127/373http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/127/373https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/127/373https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/127/373http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/127/373GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/AJ/127/373/table1Equivalent Widths of Spectral Lines of Three Red Giants in Terzan 7recnoRecord number assigned by the VizieR team. Should Not be used for identification.intElementLine identification (1)floatLambdaWavelength in angstroms0.1nmfloatS16-EW? Cl* terzan 7 SL 16 equivalent width (2)pmfloatnullableS34-EW? Cl* terzan 7 SL 34 equivalent width (2)pmfloatnullableS35-EW? Cl* terzan 7 SL 35 equivalent width (2)pmfloatnullable