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High Resolution CO Observations of Barred Galaxies

Published online by Cambridge University Press:  03 August 2017

J. D. P. Kenney
J. D. P. Kenney*
Affiliation:
Owens Valley Radio Observatory Astronomy Department 105-24 California Institute of Technology Pasadena, CA 91125 USA

Abstract

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Several different gas dynamical phenomena in barred galaxies are examined with new high resolution CO observations from the OVRO millimeterwave interferometer. In M101, a gas bar is discovered which is offset in position angle by 24° from a weak stellar bar. In M83, the morphology and kinematics of a large molecular gas complex in a bar-spiral arm transition region suggest that it is formed by the combined action of orbit crowding and shocks. CO maps of 2 barred galaxies with nuclear Hα rings show bright CO emission near the ends of the rings, where shockfronts intersect the rings.

Type
VIII- Bars, Rings and Starbursts
Information
Symposium - International Astronomical Union , Volume 146: Dynamics of Galaxies and their Molecular Cloud Distributions , 1991 , pp. 265 - 267
Copyright
Copyright © Kluwer 1991 

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