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ZFIRE: using H alpha equivalent widths to investigate the in situ initial mass function at z similar to 2

Nanayakkara, Themiya; Glazebrook, Karl; Kacprzak, Glenn; Yuan, Tiantian; Fisher, David B; Tran, Kim-Vy; Kewley, Lisa; Spitler, Lee R.; Alcorn, Leo Y.; Cowley, Michael; Labbe, Ivo; Straatman, Caroline; Tomczak, Adam


We use the ZFIRE ( survey to investigate the high-mass slope of the initial mass function (IMF) for a mass-complete (log(10)(M-*/M-circle dot) similar to 9.3) sample of 102 star-forming galaxies at z similar to 2 using their H alpha equivalent widths (H alpha EWs) and rest-frame optical colours. We compare dust-corrected H alpha EW distributions with predictions of star formation histories (SFHs) from PEGASE. 2 and STARBURST99 synthetic stellar population models....[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stx605
Access Rights: Open Access


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