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Galaxy and Mass Assembly (GAMA): The stellar mass budget of galaxy spheroids and discs

Moffett, A.J.; Lange, Rebecca; Driver, Simon; Robotham, A. S. G.; Kelvin, Lee S.; Alpaslan, M.; Andrews, Stephen K; Bland-Hawthorn, J.; Brough, Sarah; Cluver, M.E.; Colless, Matthew


We build on a recent photometric decomposition analysis of 7506 Galaxy and Mass Assembly (GAMA) survey galaxies to derive stellar mass function fits to individual spheroid and disc component populations down to a lower mass limit of log(M*/M⊙) = 8. We find that the spheroid/disc mass distributions for individual galaxy morphological types are well described by single Schechter function forms. We derive estimates of the total stellar mass densities in spheroids (ρspheroid = 1.24 ± 0.49 × 108 M⊙...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw1861
Access Rights: Open Access


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