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3.26. Molecular gas in the nuclear region and the bar of NGC 253

Published online by Cambridge University Press:  25 May 2016

K. Sorai
Affiliation:
Department of Astronomy, University of Tokyo, Bunkyo-ku, Tokyo 113, JAPAN Nobeyama Radio Observatory, Minamimaki, Minami-Saku, Nagano 384-13, JAPAN
N. Nakai
Affiliation:
Nobeyama Radio Observatory, Minamimaki, Minami-Saku, Nagano 384-13, JAPAN
N. Kuno
Affiliation:
Nobeyama Radio Observatory, Minamimaki, Minami-Saku, Nagano 384-13, JAPAN
K. Nishiyama
Affiliation:
Nobeyama Radio Observatory, Minamimaki, Minami-Saku, Nagano 384-13, JAPAN

Extract

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In order to study relationship between molecular gas and star-forming activities, we have made observations of the barred spiral galaxy NGC 253 in 12CO(J = 1–0), 13CO(J = 1–0), and HCN(J = 1–0) emission lines with the Nobeyama 45-m radio telescope. NGC 253 is located in a distance of 2.5 M pc(Mauersbergeretal.(1996)) and has an inclination angle of 78°.5 (Pence 1980). This galaxy has a starburst nuclear region and is suggested in an early stage of a starburst (Rieke, Lebofsky, & Walker (1988)).

Type
Part I. Stellar Cluster, Star Formation
Copyright
Copyright © Kluwer 1998 

References

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