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Dwarf-spheroidal satellites: are they of tidal origin? | | M. Metz
; P. Kroupa
; | | Date: |
10 Jan 2007 | | Abstract: | The Milky Way and Andromeda must have formed through an initial epoch of sub-structure merging. As a result of fundamental physical conservation laws tidal-dwarf galaxies (TDGs) have likely been produced. Here we show that such TDGs appear, after a Hubble-time of dynamical evolution in the host dark-matter halo, as objects that resemble known dSph satellite galaxies. We discuss the possibility that some of the Milky Way’s satellites may be of tidal origin. | | Source: | arXiv, astro-ph/0701289 | | Services: | Forum | Review | PDF | Favorites | |
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