SDSS Globular Cluster Candidates Around M31

Details SDSS Globular Cluster Candidates Around M31 SDSS Globular Cluster Candidates Around M31

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.5213b&link_type=abstract

American Astronomical Society Meeting 203, #52.13; Bulletin of the American Astronomical Society, Vol. 35, p.1290

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Scientific paper

We identify globular cluster candidates around M31 using Sloan Digital Sky Survey photometric data. A catalog of existing globular clusters (Barmby 2001) is used to identify regions of photometric parameter space in which globulars are found; our criteria include magnitudes, ellipticities, colors, FWHMs, and petrosian radii. The distribution of GCs in multi-dimensional space allows us to differentiate, at some level, potential GCs from other objects. Unfortunately, the known globulars appear to occupy a fairly large region in the multi-dimensional space. Our goal is to identify high-likelihood candidates for follow-up spectroscopy. Increasing the number of known globular clusters in M31, especially at large radii, would have implications for understanding the mass distribution in M31 and the origin of the clusters.

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