Hostname: page-component-cb9f654ff-d5ftd Total loading time: 0 Render date: 2025-08-29T18:55:02.576Z Has data issue: false hasContentIssue false
  • English
  • Français

On Heating, Ionization, and Star Formation in the Galactic Center Region

Published online by Cambridge University Press:  23 September 2016

Mark Morris
Mark Morris*
Affiliation:
Department of Astronomy, UCLA

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The ionization of interstellar gas and the heating of dust near the galactic center are usually assumed to be dominated overall by the radiation emanating from young, massive stars. This paper questions that assumption by pointing to the paucity of direct evidence for current star formation and by considering alternative sources of ionization and luminosity. It is suggested that star formation can be inhibited by the strong, poloidal magnetic fields observed in the galactic center. The presence of some red supergiants (e.g., IRS7) can be understood if massive star formation occurs episodically.

Information

Type
The Large - Scale Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 136: The Galactic Center , 1989 , pp. 171 - 177
Copyright
Copyright © Kluwer 1989 

References

Caswell, J.L. and Haynes, R.F. 1983, Aust. J. Phys. , 36, 361.Google Scholar
Caswell, J.L., Batchelor, R.A., Forster, J.R. and Wellington, K.J. 1983, Aust. J. Phys. , 36, 401.Google Scholar
Glass, I.S. 1988, Mon. Not. R. Astr. Soc. , 234, 115.Google Scholar
Güsten, R. and Downes, D. 1983, Astron. Ap. , 117, 343.Google Scholar
Knapp, G.R. and Morris, M. 1976, Ap.J. , 206, 713.CrossRefGoogle Scholar
Mezger, P.G. and Pauls, T. 1979, IAU Symp. #84: The Large-Scale Characteristics of the Galaxy, ed: Burton, W.B., p. 357.Google Scholar
Morris, M. 1976, Ap.J. , 210, 100.Google Scholar
Morris, M. and Yusef-Zadeh, F. 1989, submitted to Astrophys., J. Google Scholar
Morris, M., Yusef-Zadeh, F., and Chance, D. 1985, in Birth and Infancy of Stars, eds: Lucas, R., Omont, A., and Stora, R., Elsevier Science Publ., p209.Google Scholar
Reich, W., Sofue, Y. and Fürst, E. 1987, Publ. Astron. Soc. Jpn. , 39, 573.Google Scholar
Serabyn, E. and Güsten, R. 1987, Astron. Ap. , 184, 133.Google Scholar
Shu, F.H. 1987, in Star Formation in Galaxies, NASA Conf. Publ. 2466.Google Scholar
Shu, F. H., Adams, F. C., and Lizano, S. 1987, Ann. Rev. Astron. Astrophys. , 25, 23.Google Scholar
Sofue, Y., Handa, T., Nakai, N., Hirabayashi, H., Inoue, M., and Akabane, K. 1984, preprint.Google Scholar
Watson, M.G., Willingale, R., Grindlay, J.E., and Hertz, P. 1981, Ap.J. , 250, 142.CrossRefGoogle Scholar
Yusef-Zadeh, F. and Morris, M. 1987a, Astron. J. , 94, 1178.Google Scholar
Yusef-Zadeh, F. and Morris, M. 1987b, Astrophys. J. , 322, 721.Google Scholar