Ca II Triplet Abundances for a Sample of LMC Clusters

Details Ca II Triplet Abundances for a Sample of LMC Clusters Ca II Triplet Abundances for a Sample of LMC Clusters

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20713210g&link_type=abstract

American Astronomical Society Meeting 207, #132.10; Bulletin of the American Astronomical Society, Vol. 37, p.1381

Astronomy and Astrophysics

Astronomy

Scientific paper

Preliminary results from our spectroscopic survey of populous clusters in the LMC are presented. In an effort to update previous metallicity determinations, we have utilized FORS2 (in MOS mode) on the VLT to observe the Calcium II Triplet (CaT) for a sample of 850 stars in 29 LMC clusters and their surrounding fields. Summed equivalent widths of the CaT lines are then used to determine [Fe/H] for the target clusters. This work represents the first spectroscopic metallicity determination for a significant number of these clusters.
This work is supported by NSF CAREER grant AST-0094048 to Ata Sarajedini.

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