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Recent Results of CO Observations of IC342, NGC6946, Maffei2, and M51 with the NMA

Published online by Cambridge University Press:  03 August 2017

R. Kawabe ,
M. Ishiguro ,
S. Ishizuki ,
S.K. Okumura  and
T. Tosaki
R. Kawabe
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory
M. Ishiguro
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory
S. Ishizuki
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory Department of Astronomy, University of Tokyo
S.K. Okumura
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory Department of Earth and Astronomy, College of Arts and Science, University of Tokyo
T. Tosaki
Affiliation:
Department of Astronomy, University of Tohoku

Abstract

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We present our recent results of high spatial resolution(2″-6″) CO and 13CO(J=1−0) observations with the Nobeyama Millimeter Array(NMA). We observed the central (1-2 kpc) regions of nearby galaxies, IC342, Maffei2, and NGC6946 with 2″-4″ resolution (45-90 pc) in CO and 13CO, and the 3' region of M51 with 4″-6″ resolution (180-280 pc). We discuss the structures and kinematics of molecular gas in the central region of nearby late-type spiral galaxies, and in spiral arms, and discuss the trigger of star formation from viewpoints of galactic shock, gas fueling by bars.

Type
V- CO in Galactic Disks
Information
Symposium - International Astronomical Union , Volume 146: Dynamics of Galaxies and their Molecular Cloud Distributions , 1991 , pp. 160 - 163
Copyright
Copyright © Kluwer 1991 

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