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The Sami Galaxy Survey: Toward a Unified Dynamical Scaling Relation for Galaxies of All Types

Cortese, L; Fogarty, Lisa M R; Ho, I-Ting; Bekki, Kenji; Bland-Hawthorn, Joss; Colless, Matthew; Couch, Warwick; Croom, Scott M; Glazebrook, Karl; Mould, Jeremy; Scott, Nicholas; Sharp, Robert; Tonini, C; Allen, James T; Kewley, Lisa; Medling, Anne; Sweet, Sarah


We take advantage of the first data from the Sydney-AAO Multi-object Integral field Galaxy Survey to investigate the relation between the kinematics of gas and stars, and stellar mass in a comprehensive sample of nearby galaxies. We find that all 235 objects in our sample, regardless of their morphology, lie on a tight relation linking stellar mass (M∗) to internal velocity quantified by the S<inf>0.5</inf> parameter, which combines the contribution of both dispersion (σ) and rotational...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society: Letters
DOI: 10.1088/2041-8205/795/2/L37
Access Rights: Open Access


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