[132.10] Ca II Triplet Abundances for a Sample of LMC Clusters

AAS 207th Meeting, 8-12 January 2006
Session 132 Views of the Magellanic Clouds Across Wavelengths
Poster, Wednesday, 9:20am-6:30pm, January 11, 2006, Exhibit Hall

Previous | Session 132 | Next | Author Index | Block Schedule

[132.10] Ca II Triplet Abundances for a Sample of LMC Clusters

A.J. Grocholski (Univ of Florida), A.A. Cole (Univ of Minnesota), D. Geisler (Univ de Concepcion), A. Sarajedini (Univ of Florida), V.V. Smith (NOAO/Tucson)

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.

Previous | Session 132 | Next