Washington Photometry of New Globular Clusters in M31
Sang Chul Kim, Myung Gyoon Lee, Doug Geisler, Juan Seguel, Ata Sarajedini, William E. Harris
Abstract
We present a progress report on Washington photometry of several hundred new globular cluster (GC) candidates in M31 which were recently found from our new CCD survey of GCs. Washington CMT1 filters we used are very efficient to survey extragalactic GCs and to estimate the metallicity of GCs. Preliminary color-magnitude diagrams and color-color diagrams of the new GC candidates and known GCs in M31 are obtained.
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