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Clump Formation in Young Disk Galaxies

Published online by Cambridge University Press:  22 December 2003

C. Boily ,
P. Patsis ,
S. Portegies ,
R. Spurzem ,
C. Theis ,
A. Immeli ,
M. Samland  and
O. Gerhard
O. Gerhard
Affiliation:
Astronomisches Institut, Universität Basel
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Abstract

We investigate the nature of the clumpy structures seen at high redshift.For this we use a 3D chemodynamical simulationincluding dark matter, stars and a multiphase interstellar medium aswell as feedback processes from the stars. The infall of baryonicmatter leads to the formation of a disk which later fragments anddevelops starforming sub-galactic clumps. Calculating U, B, V, Kcolors of the model including absorption by interstellar material wefind similar morphology and colors as for multiple clump and chaingalaxies in the HDF.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 10: JENAM 2002, Galactic & Stellar Dynamics , 2003 , pp. 199
Copyright
© EAS, EDP Sciences, 2003

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