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Circumgalactic gas absorption in extremely metal-poor dwarf dalaxies
Published online by Cambridge University Press: 21 March 2017
Abstract
Accretion of metal-poor gas via cold accretion flows has been recently proposed as a means to trigger/sustain star formation in extremely metal-poor dwarf galaxies (XMPs), a scenario in agreement with theoretical predictions. We report on the tentative detection of CaII absorption used to trace the conditions of the gas clouds in the halo of the XMP UGCA 20.
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- Copyright © International Astronomical Union 2017