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The evolution of dwarf galaxies

Davies, Jonathan Ivor and Phillipps, S. 1988. The evolution of dwarf galaxies. Monthly Notices of the Royal Astronomical Society 233 , pp. 553-559.

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Abstract

The authors propose an evolutionary model for dwarf galaxies in which initially metal-poor gas-rich dwarf irregular galaxies evolve through bursting blue compact dwarf stages and eventually fade from the blue compact dwarf phase to become dwarf ellipticals. During the bursting phase the surface brightness of the galaxy increases rapidly due to enhanced OB star formation. The source of fuel for the intermittent bursts of star formation is assumed to be primordial gas which continues to collapse on the already-formed central structure. The dE galaxies form as a result of eventual gas depletion through star formation.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: b stars, dwarf galaxies, galactic evolution, o stars, stellar evolution, mass to light ratios, metallicity
Publisher: Wiley
ISSN: 0035-8711
Last Modified: 04 Jun 2017 04:27
URI: http://orca.cf.ac.uk/id/eprint/39260

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