Issue |
A&A
Volume 431, Number 2, February IV 2005
|
|
---|---|---|
Page(s) | 517 - 521 | |
Section | Galactic structure, stellar clusters, and populations | |
DOI | https://doi.org/10.1051/0004-6361:20041122 | |
Published online | 04 February 2005 |
The great disk of Milky-Way satellites and cosmological sub-structures
1
Institut für Theoretische Physik und Astrophysik der Universität Kiel, 24098 Kiel, Germany e-mail: pavel@astro.uni-bonn.de
2
Sternwarte Bonn, Auf dem Hügel 71, 53121 Bonn, Germany
3
Institut für Astronomie der Univ. Wien, Türkenschanzstr. 17, 1180 Vienna, Austria e-mail: theis@astro.univie.ac.at
4
Observatoire Astronomique de Strasbourg, 11 rue de l'Université, 67000 Strasbourg, France e-mail: cmb@pleiades.u-strasbg.fr
Received:
20
April
2004
Accepted:
13
October
2004
We show that the shape of the observed distribution of Milky Way (MW) satellites is inconsistent with their being drawn from a cosmological sub-structure population with a confidence of 99.5 per cent. Most of the MW satellites therefore cannot be related to dark-matter dominated satellites.
Key words: Galaxy: evolution / Galaxy: halo / galaxies: dwarf / galaxies: kinematics and dynamics / galaxies: Local Group / Galaxy: formation
© ESO, 2005
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