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Molecular Gas in the Central Regions of Barred Galaxies

Published online by Cambridge University Press:  12 April 2016

Jeffrey Kenney
Jeffrey Kenney*
Affiliation:
Yale University, Astronomy Department, P.O. Box 208101, New Haven, CT 06520-8101 USA

Abstract

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The morphology and kinematics of molecular gas in the central regions of barred galaxies are described. The largest gas concentrations are often located near ILRs, although there is a range of morphologies. The gas motions associated with star-forming rings are predominantly circular, while motions just beyond the rings are often non-circular and in some cases show clear radial inflow. In barred galaxies with circumnuclear starbursts in early phases of evolution, the CO is centrally peaked, perhaps inside IILRs. The most intense star formation occurs where the gas motions are circular, and where the rotation curve rises steeply and is nearly solid body.

Type
Part III. Observations of Barred Galaxies: Gas Distributions, Kinematics
Information
International Astronomical Union Colloquium , Volume 157: Barred Galaxies , 1996 , pp. 150 - 156
Copyright
Copyright © Astronomical Society of the Pacific 1996

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