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Paper: The Relics of Structure Formation: Extra-Planar Gas and High-Velocity Clouds Around M31
Volume: 393, New Horizons in Astronomy: Frank N. Bash Symposium 2007
Page: 283
Authors: Westmeier, T.; Brü ns, C.; Kerp, J.
Abstract: We mapped a large region around M31 in HI with the 100-m radio telescope at Effelsberg to search for high-velocity clouds (HVCs) out to large projected distances in excess of 100 kpc. We argue that tidal stripping may have played an important role in forming several of the 17 detected HVCs, whereas other clouds could be primordial dark-matter satellites.
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