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Star Cluster Population of the Interacting Galaxy System M51

Published online by Cambridge University Press:  01 December 2006

Narae Hwang  and
Myung Gyoon Lee
Narae Hwang
Affiliation:
Astronomy Program, Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea email: nhwang@astro.snu.ac.kr, mglee@astrog.snu.ac.kr
Myung Gyoon Lee
Affiliation:
Astronomy Program, Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea email: nhwang@astro.snu.ac.kr, mglee@astrog.snu.ac.kr
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Abstract

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We present a star cluster population study in the interacting galaxy system M51 based on HST ACS BV I mosaic images taken by the Hubble Heritage Team to commemorate the HST's 15th anniversary. We have found and classified star clusters in M51 using SExtractor and visual inspection. We have derived the photometry, size, and age of the clusters. It is found that the companion SB0 galaxy NGC 5195 harbors about 50 faint fuzzy clusters and that the age distribution of star clusters appears to be correlated with the epochs of dynamical events in M51 system.

Keywords

galaxies: individual (M51) — galaxies: spiral — galaxies: interaction — galaxies: evolution — galaxies: star clusters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S241: Stellar Populations as Building Blocks of Galaxies , December 2006 , pp. 451 - 452
Copyright
Copyright © International Astronomical Union 2007

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