Spectroscopic Study of the Globular Clusters in M31

Details Spectroscopic Study of the Globular Clusters in M31 Spectroscopic Study of the Globular Clusters in M31

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007rmxac..28..104k&link_type=abstract

The 3rd Mexico-Korea Conference on Astrophysics: Telescopes of the Future and San Pedro Mártir (Eds. Stan Kurtz, José Franco, Se

Astronomy and Astrophysics

Astrophysics

Galaxies: Individual (M31), Galaxies: Star Clusters, Globular Clusters: General

Scientific paper

We have performed a new systematic globular cluster (GC) survey of M31 for ˜ 3° × 3° area centered on M31. Using photometric data obtained from observations using the KPNO 0.9-m telescope + Washington CMT1 filters, and spectroscopic data obtained from observations using the KPNO/WIYN 3.5-m telescope + Hydra multifiber spectrograph, we have confirmed 544 previously known GCs and found over 600 new GCs and candidates, of which more than one hundred are believed to be genuine GCs. We present the metallicity distribution of the previously known and new GCs in M31, which is better fit with three components than with two components.

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