Revised GALEX Ultraviolet Catalog of Globular Clusters in M31

Details Revised GALEX Ultraviolet Catalog of Globular Clusters in M31 Revised GALEX Ultraviolet Catalog of Globular Clusters in M31

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545507r&link_type=abstract

American Astronomical Society, AAS Meeting #215, #455.07; Bulletin of the American Astronomical Society, Vol. 42, p.474

Astronomy and Astrophysics

Astronomy

Scientific paper

We present near-ultraviolet (NUV) and far-ultraviolet (FUV) photometry of the globular clusters (GCs) and globular cluster candidates in M31 from 23 mosaic observations of Galaxy Evolution Explorer (GALEX). We construct revised UV-optical merged catalog of GCs and GC candidates in M31 by cross-matching between UV photometry and optical and near-IR photometry from Revised Bolobna Catalog and Caldwell et al. (2009). The UV catalog of M31 GCs includes 626 GCs and 529 GC candidates. We explored the general UV properties and age distribution of GCs comparing with the stellar population models. We suggest UV color-color diagram has advantage of separating GCs very effectively from background galaxies and foreground stars than the optical one.

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