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The SAMI Pilot Survey: The fundamental and mass planes in three low-redshift clusters

Scott, Nicholas; Fogarty, Lisa M R; Owers, M S; Croom, S; Colless, Matthew; Davies, Roger L; Brough, Sarah; Pracy, Michael; Bland-Hawthorn, Jonathan; Heath Jones, D; Allen, James T; Bryant, J J; Cortese, L; Goodwin, Michael; Green, Andrew W; Konstantopoulos, I S; Lawrence, J S; Richards, Samuel; Sharp, Robert


Using new integral field observations of 106 galaxies in three nearby clusters, we investigate how the intrinsic scatter of the Fundamental Plane depends on the way in which the velocity dispersion and effective radius are measured. Our spatially resolved spectroscopy, combined with a cluster sample with negligible relative distance errors, allows us to derive a Fundamental Plane with minimal systematic uncertainties. From the apertures we tested, we find that velocity dispersions measured...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stv1127
Access Rights: Open Access


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