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Maximum dust masses in galaxies

Edmunds, Michael Geoffrey and Eales, Stephen Anthony 1998. Maximum dust masses in galaxies. Monthly Notices of the Royal Astronomical Society 299 (2) , L29-L31. 10.1046/j.1365-8711.1998.01971.x

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The large dust masses apparently present in some galaxies at high redshift prompt the question of just how much interstellar dust can be present per unit mass of a galaxy. Under very simple assumptions, we derive an upper limit to this mass — showing both what is possible for a galaxy of given total mass and various gas fractions, and what represents the ultimate upper limit for a given stellar or total mass, if we are free to choose the particular gas fraction. The results hold for a galaxy formed with arbitrary gas outflows, or arbitrary inflows of unenriched gas, and illustrate the difficulty of generating very high dust masses in galaxies.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: Oxford University Press
ISSN: 0035-8711
Last Modified: 04 Jun 2017 05:00

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