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The Regulation of Galaxy Growth along the Size-Mass Relation by Star Formation, as Traced by H alpha in KMOS3D Galaxies at 0.7 less than or similar to z less than or similar to 2.7

Wilman, David J.; Fossati, Matteo; Mendel, Trevor; Saglia, R P; Wisnioski, Emily; Wuyts, Stijn; Forster Schreiber, Natasha; Beifiori, Alessandra; Bender, R; Belli, Sirio; Ubler, Hannah; Lang, Philipp


We present half-light sizes measured from H-alpha emission tracing star formation in 281 star-forming galaxies from the KMOS3D survey at 0.7 less than or similar to z less than or similar to 2.7. Sizes are derived by fitting 2D exponential disk models, with bootstrap errors averaging 20%. H-alpha sizes are a median (mean) of 1.19 (1.26) times larger than those of the stellar continuum-which, due to radial dust gradients, places an upper limit on the growth in stellar size via star...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/ab7914
Access Rights: Open Access


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