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The Morphological Origin of Dwarf Galaxies

Published online by Cambridge University Press:  11 July 2011

M. Koleva ,
Ph. Prugniel ,
I. Vauglin  and
G. Hensler
G. Hensler*
Affiliation:
University of Vienna, Institute of Astronomy, Tuerkenschanzst. 17, 1180 Vienna, Austria
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Abstract

Dwarf galaxies (DGs) serve as extremely challenging objects in extragalactic astrophysics. Their origin is expected to be set as the first units in CDM cosmology. Nevertheless they are the galaxy type most sensitive to environmental influences and their division into multiple types with various properties have invoked the picture of their variant morphological transformations. Detailed observations reveal characteristics which allow to deduce the evolutionary paths and to witness how the environment has affected the evolution. Here we refer to general morphological DG types and review some general processes, most of which deplete gas-rich irregular DGs. Moreover, the variety of pecularities is briefly refered, but cannot be comprehensively analyzed because of limited paper space.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 48: CRAL-2010 A Universe of Dwarf Galaxies , 2011 , pp. 383 - 395
Copyright
© EAS, EDP Sciences, 2011

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