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Kinematic analysis of Sculptor Group galaxies

Published online by Cambridge University Press:  12 April 2016

R. H. M. Schoenmakers
R. H. M. Schoenmakers*
Affiliation:
Kapteyn Astronomical Institute, Rijksuniversiteit Groningen, The Netherlands

Abstract

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An analysis of the kinematics of the five major spiral galaxies in the Sculptor Group is presented. These galaxies are analyzed using the method of harmonic expansion of the velocity field as described in Schoenmakers, Franx and de Zeeuw (1997). Three different types of kinematic distortions were found: warps, lopsidedness and elongation. All the Sculptor galaxies show kinematic lopsidedness, two show signs of global elongation and two are kinematically warped. The detected kinematic distortions are well in excess of those typically found for isolated galaxies.

Type
Part 2. Properties of Small Groups
Information
International Astronomical Union Colloquium , Volume 174: Small Galaxy Groups , 2000 , pp. 54 - 59
Copyright
Copyright © Astronomical Society of the Pacific 2000

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