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THE SAMI GALAXY SURVEY: TOWARD A UNIFIED DYNAMICAL SCALING RELATION FOR GALAXIES OF ALL TYPES
2014
Astrophysical Journal Letters
We take advantage of the first data from the Sydney-AAO Multi-object Integral field (SAMI) 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_0.5 parameter, which combines the contribution of both dispersion (σ) and rotational velocity
doi:10.1088/2041-8205/795/2/l37
fatcat:64jkcaojnrds7p3s47spw5m3qy