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Big fish in small ponds: Massive stars in the low-mass clusters of M83

Andrews, J E; Calzetti, Daniela; Chandar, Rupali; Elmegreen, B. G.; Kennicutt, Robert C; Kim, Hwihyun; Krumholz, Mark; Lee, J C; McElwee, S.; O'Connell, Robert W; Whitmore, Bradley

Description

We have used multi-wavelength Hubble Space Telescope WFC3 data of the starbursting spiral galaxy M83 in order to measure variations in the upper end of the stellar initial mass function (uIMF) using the production rate of ionizing photons in unresolved clusters with ages ≤ 8 Myr. As in earlier papers on M51 and NGC 4214, the uIMF in M83 is consistent with a universal IMF, and stochastic sampling of the stellar populations in the 103M clusters are responsible for any deviations in this...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/152106
Source: The Astrophysical Journal
DOI: 10.1088/0004-637X/793/1/4
Access Rights: Open Access

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