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The 6df galaxy survey: The near-infrared fundamental plane of early-type galaxies

Magoulas, Christine; Springbob, Christopher M; Colless, Matthew; Jones, D Heath; Campbell, Lachlan; Lucey, John; Mould, Jeremy; Jarrett, Thomas H; Merson, A.; Brough, Sarah


We determine the near-infrared Fundamental Plane (FP) for ~10 4 early-type galaxies in the 6-degree Field Galaxy Survey (6dFGS). We fit the distribution of central velocity dispersion, near-infrared surface brightness and half-light radius with a 3D Gaussian model using a maximum-likelihood method. The model provides an excellent empirical fit to the observed FP distribution and the method proves robust and unbiased. Tests using simulations show that it gives superior results to regression...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2012.21421.x
Access Rights: Open Access


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