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The Association of Dust and H I Gas

Published online by Cambridge University Press:  14 August 2015

E. Braunsfurth  and
K. Rohlfs
E. Braunsfurth
Affiliation:
MPI für Radioastronomie, Bonn, Germany
K. Rohlfs
Affiliation:
MPI für Radioastronomie, Bonn, Germany and Astronomy Program, University of Maryland, Md. 20742, U.S.A.

Abstract

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The hypothesis that interstellar dust is associated with cold gas is advanced. To test this, such observational features of the gas that depend predominantly on the cold gas have to be isolated. Two such features are discussed, the 21-cm line strength in absorption and the intensity of narrow emission line components in intermediate galactic latitudes. It is shown that both features have a good correlation with the dust extinction. Various measurements of the gas to dust ratio are collected and some implications for the interstellar medium are discussed.

Type
Part V Distribution of Dust and Gas
Information
Symposium - International Astronomical Union , Volume 52: Interstellar Dust and Related Topics , 1973 , pp. 231 - 235
Copyright
Copyright © Reidel 1973 

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