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Probing the 2-D kinematic structure of early-type galaxies out to 3 effective radii

Published online by Cambridge University Press:  21 October 2010

Robert N. Proctor
Affiliation:
Centre for Astrophysics & Supercomputing, Swinburne University, Hawthorn VIC 3122, Australia
Duncan A. Forbes
Affiliation:
Centre for Astrophysics & Supercomputing, Swinburne University, Hawthorn VIC 3122, Australia
Aaron J. Romanowsky
Affiliation:
UCO/Lick Observatory, University of California, Santa Cruz, CA 95064, USA
Jean P. Brodie
Affiliation:
UCO/Lick Observatory, University of California, Santa Cruz, CA 95064, USA
Jay Strader
Affiliation:
Harvard-Smithsonian Centre for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA email: rproctor@astro.iag.usp.br
Max Spolaor
Affiliation:
Centre for Astrophysics & Supercomputing, Swinburne University, Hawthorn VIC 3122, Australia
J. Trevor Mendel
Affiliation:
Centre for Astrophysics & Supercomputing, Swinburne University, Hawthorn VIC 3122, Australia
Lee Spitler
Affiliation:
Centre for Astrophysics & Supercomputing, Swinburne University, Hawthorn VIC 3122, Australia
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We detail an innovative new technique for measuring the 2-D velocity moments (rotation velocity, velocity dispersion and Gauss-Hermite coefficients h3 and h4) using spectra from Keck DEIMOS multi-object spectroscopic observations. The data are used to reconstruct 2-D rotation velocity maps.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2010