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Dust in Galaxies

Stein, Wayne A. and Soifer, B. T. (1983) Dust in Galaxies. Annual Review of Astronomy and Astrophysics, 21 . pp. 177-207. ISSN 0066-4146. doi:10.1146/annurev.aa.21.090183.001141.

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The subject of dust in galaxies, if covered comprehensively, is so vast that it would require an entire book for adequate discussion. In this review we concentrate on a few topics related primarily to dust as a constituent of systems in the Universe having masses comparable to galaxies. We have intentionally omitted discussing characteristics of dust as interstellar matter within galaxies or associated with stars. Several previous review articles have been devoted to the physical properties of dust within the Milky Way, and we will avoid repetition of material covered earlier. Our discussion focuses on observable characteristics and the physical importance of dust in galaxies. We have included active nuclei galaxies and quasars in this discussion, interpreting galaxies in the broadest sense. In the subjects we have covered, we have attempted to be up to date as of approximately June 1982. The observable characteristics of dust that generally lead to significant information about the solid grains are extinction, reddening (as deduced from continuum alteration or anomalous line ratios), scattering (such as in reflection nebulae), polarization produced by extinction and scattering, and thermal emission in the infrared. All of these processes may play a role in determining the characteristics of galaxies inferred from observations. From an understanding of the observational effects due to the presence of dust, we can better understand the important physical processes at work in galaxies. In the following sections we discuss the manifestations of dust, first in our Galaxy, then in normal galaxies, and finally in the active nuclei galaxies and quasars.

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Additional Information:© 1983 Annual Reviews. We wish to express our appreciation to our many colleagues for sending us preprints of work on this subject. In addition, we would particularly like to thank R. Cohen, K. Davidson, J. Felten, M. Jura, G. Neugebauer, A. Sargent, N. Scoville, M. L. Sitko, and H. E. Smith for informative discussions and comments on draft versions of this article. It is a pleasure to thank T. Thibault, P. Neill, L. Soha, and E. Eades for their assistance and patience in the preparation of the manuscript. Research in infrared astronomy at the University of Minnesota and Cal tech is supported by the NSF and NASA.
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Official Citation:Dust in Galaxies Wayne A. Stein and B. T. Soifer Annual Review of Astronomy and Astrophysics, Vol. 21: 177 -207 (Volume publication date September 1983)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71289
Deposited By: George Porter
Deposited On:19 Oct 2016 22:48
Last Modified:11 Nov 2021 04:42

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