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Early Evolution of Tidal Dwarf Galaxies

Published online by Cambridge University Press:  21 April 2007

E. Emsellem ,
H. Wozniak ,
G. Massacrier ,
J.-F. Gonzalez ,
J. Devriendt ,
N. Champavert ,
S. Recchi ,
P. Kroupa ,
C. Theis  and
G. Hensler
S. Recchi
Affiliation:
Institute of Astronomy, Vienna University, Türkenschanzstrasse 17, 1180 Vienna, Austria INAF – Osservatorio Astronomico di Trieste, via G.B. Tiepolo 11, 34131 Trieste, Italy
P. Kroupa
Affiliation:
Argelander Institute for Astronomy, Bonn University, Auf dem Hügel 71, 53121 Bonn, Germany
C. Theis
Affiliation:
Institute of Astronomy, Vienna University, Türkenschanzstrasse 17, 1180 Vienna, Austria
G. Hensler
Affiliation:
Institute of Astronomy, Vienna University, Türkenschanzstrasse 17, 1180 Vienna, Austria
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Abstract

Our aim is to study the evolution of tidal dwarf galaxies. The first step is to understand whether a model galaxy without Dark Matter can sustain the feedback of the ongoing star formation. We present tests of the evolution of models in which star formation efficiency, temperature threshold, initial distribution of gas and infall are varied. We conclude that it is feasible to keep a fraction of gas bound for several hundreds of Myr and that the development of galactic winds does not necessarily stop continuous star formation.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 24: CRAL-2006. Chemodynamics: From First Stars to Local Galaxies , 2007 , pp. 297 - 298
Copyright
© EAS, EDP Sciences, 2007

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