Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005assl..329...45g&link_type=abstract
Starbursts: From 30 Doradus to Lyman Break Galaxies, Held in Cambridge, UK, 6-10 September 2004. Edited by R. de Grijs and R.M.
Astronomy and Astrophysics
Astrophysics
Scientific paper
Young massive star clusters return matter and energy to the ISM via cluster winds that ultimately combine to power superwinds in high-density starbursts. We present high-resolution near-IR spectroscopy of such clusters that dominate the current star formation in the nearby merger, the Antennae. By fitting outflow models to their broad hydrogen lines, we measure the mass-loss rates and mechanical luminosities of these cluster outflows. They are strongly mass-loaded with high thermalization efficiencies, two properties that also characterize superwinds. While the Antennae do emit large-scale diffuse X-rays, their present star cluster density may be too low to generate an M82-like superwind, but it is perfect for providing a resolved look at feedback mechanisms in a young merger.
Gilbert Andrea M.
Graham James R.
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