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Paper: Candidate Tidal Dwarf Galaxies Associated with Stephan's Quintet
Volume: 197, XVth IAP Meeting Dynamics of Galaxies: From the Early Universe to the Present
Page: 353
Authors: Mendes de Oliveira, C.; Plana, H.; Amram, P.; Balkowski, C.; Bolte, M.
Abstract: An analysis of Hα Fabry-Perot velocity maps of the Stephan's quintet obtained at the CFHT suggests the presence of at least five candidate tidal dwarf galaxies formed out of material thrown in the intergalactic medium during galactic collisions. The central regions of the two most probable parent galaxies, N7318A and N7318B, contain little or no gas. The intragroup medium, and particularly the optical tails that seem to be associated with N7318B, are rich in ionized gas and they contain a number of giant HII regions and possibly a few dwarf galaxies. The candidate tidal dwarf galaxies have magnitudes, sizes, colors and gas velocity gradients that are typical for similar objects found in other interacting and merging systems.
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