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Aperture Synthesis CO Observations of M51 with the Nobeyama Millimeter Array (NMA)

Published online by Cambridge University Press:  03 August 2017

Tomoka Tosaki ,
Ryohei Kawabe ,
Masato Ishiguro ,
Sachiko K. Okumura ,
Koh-Ichiro Morita ,
Takashi Kasuga  and
Sumio Ishizuki
Tomoka Tosaki
Affiliation:
Department of Astronomy, Tohoku University, Japan
Ryohei Kawabe
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Masato Ishiguro
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Sachiko K. Okumura
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan IDepartment of Earth & Astronomy, College of Arts and Sciences, University of Tokyo, Japan
Koh-Ichiro Morita
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Takashi Kasuga
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Sumio Ishizuki
Affiliation:
Department of Astronomy, Faculty of Science, University of Tokyo, Japan

Extract

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We present 6″ (460 pc at a distance of 9.6 Mpc) resolution CO(J=1−0) map of the central region of the grand-design spiral galaxy M51 and very preliminary 4″ (180pc) resolution CO(J=1−0) map of the arm regions, using the Nobeyama Millimeter Array (NMA). The central 3kpc region (1') was mapped with a velocity resolution of 20km/s, and the rest with 10km/s.

Type
III- Observations of Spiral Structure
Information
Symposium - International Astronomical Union , Volume 146: Dynamics of Galaxies and their Molecular Cloud Distributions , 1991 , pp. 79 - 80
Copyright
Copyright © Kluwer 1991 

References

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