Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005assl..329p...8b&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
The natal environments of massive star clusters in starburst galaxies have not been studied well even though such information would be vital to explain the contribution (or lack thereof) of these systems to the feedback mechanisms of star formation in galaxies. Fourteen embedded star clusters in M33 were first detected in radio imagery and are thought to be extremely young (˜1 Myr) because of their non-optical nature. The radio provided a list of sources, but mid-infrared data provides the clues into their natal environment. We present the IRAC and MIPS imagery of these fourteen clusters and their associated spectral energy distributions from 3.6-160 μm. We discuss the various spectral energy distributions and what they tell us about their environments. From the imagery, we show that a surprising similarity exists between the morphology of these systems and those of Ultra-Compact H II regions. We find that these clusters have shell, cometary, core-halo, and irregular PAH/dust morphologies in the IRAC 8 μm imagery.
Ashby Matthew
Barmby Pauline
Brandl Berhard
Buckalew Brent
Devereux Nick
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