Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-11-20
Astrophys.J. 603 (2004) 503-522
Astronomy and Astrophysics
Astrophysics
43 pages, 16 Figures; accepted for publication in ApJ. Postscript version with high-resolution figures and complete machine-re
Scientific paper
10.1086/381669
We present multicolor photometry of bright star cluster candidates in the nearby starburst galaxies NGC 3077 and NGC 5253, observed with the Hubble Space Telescope Wide Field and Planetary Camera 2 in both broadband (F300W, F547M and F814W) and narrowband (F487N and F656N) filters. By comparing the photometry with theoretical population synthesis models, we estimate the age and mass of each star cluster, which provides constraints on the recent star formation histories of the host galaxies. We compare the star cluster populations in these dwarf starburst galaxies to those of the nuclear starburst in the barred spiral M 83, and discuss implications for our understanding of the nature and evolution of starburst events.
Calzetti Daniela
Conselice Christopher J.
Gallagher III S. . J.
Harris Jason
Smith Alastair D.
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