Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-30880
D'Onghia, E; Lake, G (2009). The Magellanic group and the seven dwarfs. In: Van Loon, J T; Oliveira, J M. The Magellanic system: stars, gas, and galaxies. Cambridge, 473-478. ISBN 978-0-521-88987-2.
The Magellanic Clouds were the largest members of a group of dwarf galaxies that entered the Milky Way (MW) halo at late times. This group, dominated by the LMC, contained ~4% of the mass of the Milky Way prior to its accretion and tidal disruption, but ≈70% of the known dwarfs orbiting the MW. Our theory addresses many outstanding problems in galaxy formation associated with dwarf galaxies. First, it can explain the planar orbital configuration populated by some dSphs in the MW. Second, it provides a mechanism for lighting up a subset of dwarf galaxies to reproduce the cumulative circular velocity distribution of the satellites in the MW. Finally, our model predicts that most dwarfs will be found in association with other dwarfs. The recent discovery of Leo V (Belokurov et al. 2008), a dwarf spheroidal companion of Leo IV, and the nearby dwarf associations supports our hypothesis.
|Contributors:||International Astronomical Union|
|Item Type:||Book Section, not refereed, original work|
|Communities & Collections:||07 Faculty of Science > Institute for Computational Science|
|Uncontrolled Keywords:||Galaxy: halo; galaxies: clusters: general; galaxies: formation; galaxies: halos; Magellanic Clouds; cosmology: observations; dark matter|
|Deposited On:||27 Feb 2010 15:31|
|Last Modified:||14 Mar 2014 15:29|
|Publisher:||Cambridge University Press|
|Series Name:||IAU Symposium Proceedings Series|
|ISSN:||1743-9213 (P) 1743-9221 (E)|
|Additional Information:||Proceedings of the 256th symposium of the International Astronomical Union, held at Keele University, United Kingdom, July 28-August 1, 2008|
|Citations:||Web of Science®|
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