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An Elementary Model for the Dust Cycle in Galaxies

Edmunds, Michael Geoffrey, Dunne, Loretta and Eales, Stephen Anthony 2001. An Elementary Model for the Dust Cycle in Galaxies. Monthly Notices of the Royal Astronomical Society 328 (1) , pp. 223-236. 10.1046/j.1365-8711.2001.04859.x

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Abstract

We give an elementary model for the evolution of dust in galaxies, based on abundance arguments. The model takes account of grain core production in both supernovae and giant stars, and includes mantle growth in the interstellar medium. Destruction of grain cores does not appear to be a dominant effect. We show that a self-consistent picture can be made in which the interstellar dust mass is an approximately constant fraction of the heavy element mass in the interstellar medium. This result is demonstrated to be essentially independent of outflow or inflow of interstellar material

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Uncontrolled Keywords: ISM: abundances ; Dust, extinction ; Galaxies: evolution ; Galaxies: ISM
ISSN: 0035-8711
Last Modified: 19 Dec 2017 02:36
URI: http://orca-mwe.cf.ac.uk/id/eprint/1619

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