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Global Stability Analysis of an SO Galaxy NGC 3115

Published online by Cambridge University Press:  04 August 2017

Masanori Iye ,
Tatsuo Ueda ,
Masafumi Noguchi  and
Shinko Aoki
Masanori Iye
Affiliation:
Tokyo Astronomical Observatory, Mitaka 181 JAPAN
Tatsuo Ueda
Affiliation:
Department of Astronomy, University of Tokyo, Tokyo 113 JAPAN
Masafumi Noguchi
Affiliation:
Department of Astronomy, University of Tokyo, Tokyo 113 JAPAN
Shinko Aoki
Affiliation:
Tokyo Astronomical Observatory, Mitaka 181 JAPAN

Extract

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The global modal analysis is applied to a family of models which are consistent with recent dynamical data of NGC 3115. A halo component at least as massive as the disk component is required to explain the apparent lack of spiral structures in NGC 3115.

Type
II. Spiral Structure
Information
Symposium - International Astronomical Union , Volume 100: Internal Kinematics and Dynamics of Galaxies , 1983 , pp. 125 - 126
Copyright
Copyright © Reidel 1983 

References

Aoki, S., Noguchi, M., and Iye, M.: 1979, Publ. Astron. Soc. Japan 31, pp. 737–774.Google Scholar
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Rubin, V. C., Peterson, C. J., and Ford, W. K. Jr.: 1980, Astrophys. J. 239, pp. 50–53.Google Scholar