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Near-Infrared Properties of Irregular Dwarf Galaxies in Nearby GalaxyGroups

Published online by Cambridge University Press:  11 July 2011

M. Koleva ,
Ph. Prugniel ,
I. Vauglin ,
V.D. Ivanov ,
I. Saviane  and
E.V. Held
V.D. Ivanov
Affiliation:
European Southern Observatory, Ave. Alonso de Còrdova 3107, Casilla 19, Santiago 19001, Chile
I. Saviane
Affiliation:
European Southern Observatory, Ave. Alonso de Còrdova 3107, Casilla 19, Santiago 19001, Chile
E.V. Held
Affiliation:
INAF – Osservatorio Astronomico di Padova, vicolo dell’Osservatorio 5, 35122 Padova, Italy
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Abstract

The environmental effects on galaxy evolution have recently been disputed based on large SDSS galaxy samples but these effects are still expected to be strong for low-mass galaxies. We obtained deep near-infrared imaging of irregular dwarfs in Cen A, M 81 and Sculptor groups – spanning a range of galaxy density, – and we study the properties of these dwarfs, i.e. abundance, chemical evolution, and structural parameters. Here we give a preliminary assessment of the structural parameters for these galaxies.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 48: CRAL-2010 A Universe of Dwarf Galaxies , 2011 , pp. 309 - 310
Copyright
© EAS, EDP Sciences, 2011

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References

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