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5.2. Molecular gas and nuclear outflows

Published online by Cambridge University Press:  25 May 2016

Judith A. Irwin
Judith A. Irwin*
Affiliation:
Queen's University Dept. of Physics, Kingston, Ontario, Canada, K7L 3N6

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There is now overwhelming evidence that spiral galaxies can experience nuclear outflows, from radio lobes perpendicular to the disks of edge-on galaxies (Hummel et al. 1983), to optical ionization cones (see list in Wilson and Tsvetanov 1994), to spectacular X-ray emission extending many kpc beyond the disk (e.g. Dahlem et al. 1996). These observations indicate that hot and/or energetic components of the ISM can escape away from the plane of the galaxy from their origin in the nuclear vicinity.

Type
Part II. Nuclear Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 184: The Central Regions of the Galaxy and Galaxies , 1998 , pp. 213 - 214
Copyright
Copyright © Kluwer 1998 

References

Dahlem, M., Heckman, T. M., Fabbiano, G., Lehnert, M. D., and Gilmore, D. (1996) The Astrophysical Journal, 461, 724.Google Scholar
Hummel, E., van Gorkom, J. H., and Kotanyi, C. G. (1983) The Astrophysical Journal, 267, L5.Google Scholar
Irwin, J. A., and Sofue, Y. (1992) The Astrophysical Journal, 396, L75.Google Scholar
Irwin, J. A., and Sofue, Y. (1996) The Astrophysical Journal, 464, 738.Google Scholar
Koribalski, B., Dahlem, M., Mebold, U., and Brinks, E. (1993) Astronomy and Astrophysics, 268, 14.Google Scholar
Wilson, A. S., and Tsvetanov, Z. I. (1994) The Astronomical Journal, 107, 1227.Google Scholar