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Sticky-Particle Simulations of Barred Galaxies

Published online by Cambridge University Press:  01 August 2006

Heikki Salo ,
E. Laurikainen ,
P. Rautiainen  and
R. Buta
Heikki Salo
Affiliation:
Department of Physical Sciences, U. Oulu, Finland email: [email protected]
E. Laurikainen
Affiliation:
Department of Physical Sciences, U. Oulu, Finland email: [email protected]
P. Rautiainen
Affiliation:
Department of Physical Sciences, U. Oulu, Finland email: [email protected]
R. Buta
Affiliation:
Department of Physics and Astronomy, U. Alabama, USA
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Abstract

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We use sticky-particle simulations to estimate the bar pattern speeds in disk galaxies over a wide range of Hubble types. For early types our results agree with the fast rotation found in previous kinematical measurements, while for later types significantly slower bars are found. Slow bars tend to be small, and favor less luminous galaxies, for a given bulge-to-total ratio.

Keywords

galaxies: barsgalaxies: kinematics and dynamicsgalaxies: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 133
Copyright
Copyright © International Astronomical Union 2007