Integrated Spectroscopy of Galactic Globular Clusters: Near--IR Indexes as Metallicity Indicators

Details Integrated Spectroscopy of Galactic Globular Clusters: Near--IR Indexes as Metallicity Indicators Integrated Spectroscopy of Galactic Globular Clusters: Near--IR Indexes as Metallicity Indicators

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aspc...92..285o&link_type=abstract

Formation of the Galactic Halo...Inside and Out, ASP Conference Series, Vol. 92, 1996, Heather Morrison and Ata Sarajedini, eds.

Physics

Scientific paper

We present integrated spectroscopy of a sample of Galactic globular clusters, centered on SiI (1.59 microns ) and CO (1.62 and 2.29 microns ) near-IR stellar features. A good correlation between the selected indexes and the cluster metallicity was found. By means of synthetic stellar spectra we also derived some information on the Si and C abundances and their relation with the cluster metal content.

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