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The Sizes of Infrared-emitting Regions in High luminosity Galaxies

Published online by Cambridge University Press:  03 August 2017

C. G. Wynn-Williams  and
E. E. Becklin
C. G. Wynn-Williams
Affiliation:
Institute for Astronomy University of Hawaii 2680 Woodlawn Drive Honolulu HI 96822 USA
E. E. Becklin
Affiliation:
Astronomy Department University of California Los Angeles CA 90024 USA

Abstract

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We have made measurements of the 12 − 25 μm sizes of 17 galaxies with high infrared luminosities. Most of the galaxies are extended on a scale of 0.6 to 1 kpc diameter. Deep silicate absorption features are common. We discuss some of the difficulties in explaining how an extended source can have a deep silicate feature.

Type
VII- Infrared Emission
Information
Symposium - International Astronomical Union , Volume 146: Dynamics of Galaxies and their Molecular Cloud Distributions , 1991 , pp. 227 - 229
Copyright
Copyright © Kluwer 1991 

References

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