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Scaling relations of early-type galaxies in the 6dF Galaxy Survey

Published online by Cambridge University Press:  21 October 2010

C. Magoulas
Affiliation:
School of Physics, University of Melbourne, Australia
M. Colless
Affiliation:
Anglo-Australian Observatory, Epping, Australia
H. Jones
Affiliation:
Anglo-Australian Observatory, Epping, Australia
J. Mould
Affiliation:
School of Physics, University of Melbourne, Australia
C. Springob
Affiliation:
Anglo-Australian Observatory, Epping, Australia
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Over 10,000 early-type galaxies from the 6dF Galaxy Survey (6dFGS) (Jones, D. H. et al. (2009), Jones et al. (2004)) have been used to determine the Fundamental Plane at optical and near-infrared wavelengths. We find that a maximum likelihood fit to an explicit three-dimensional Gaussian model for the distribution of galaxies in size, surface brightness and velocity dispersion can precisely account for selection effects, censoring and observational errors, leading to precise and unbiased parameters for the Fundamental Plane and its intrinsic scatter.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2010

References

Jones, D. H. et al. 2009, astro-ph/0903.5451CrossRefGoogle Scholar
Jones, D. H et al. 2004, MNRAS 791, 355Google Scholar