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Dwarf spheroidal galaxies in the M81 group of galaxies

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<mark>Journal publication date</mark>2009
<mark>Journal</mark>Astronomical Notes / Astronomische Nachrichten
Issue number9-10
Volume330
Number of pages3
Pages (from-to)995-997
Publication StatusPublished
<mark>Original language</mark>English

Abstract

We study the properties of the dwarf galaxy population in the nearby interacting M81 group of galaxies. In particular, we are deriving the metallicity distribution functions, the ages and the star formation histories of these dwarf galaxies based on data from the Hubble Space Telescope's Advanced Camera for Surveys and the Sloan Digital Sky Survey. We are correlating this information with the dwarf galaxies' position in the group in order to derive the impact of interactions and environment on their evolution. Here we present preliminary results on the metallicity distribution functions of dwarf spheroidals in the M81 group.