Formation of Gaseous Shells

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dc.creatorCombes, F.
dc.creatorCharmandaris, V.
dc.date1999-08-16
dc.date.accessioned2026-07-07T02:32:50Z
dc.date.available2026-07-07T02:32:50Z
dc.descriptionHI observations have revealed in several shell galaxies the presence of gaseous shells slightly displaced from the stellar shells radially, in the outward direction. We propose a mechanism to form this gaseous shells, based on the well-known phase-wrapping process of the companion matter in a merger, with nearly radial orbits. The mechanism relies on the existence of a clumpy interstellar matter, and on dynamical friction experienced by the companion core.
dc.description2 pages, 1 figure, in "Galaxy Dynamics: from the Early Universe to the Present", ASP Conf Series, ed. F. Combes, G. Mamon, V. Charmandaris
dc.identifierhttps://arxiv.org/abs/astro-ph/9908162
dc.identifierhttp://arxiv.org/abs/astro-ph/9908162
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/14603
dc.subjectAstrophysics
dc.titleFormation of Gaseous Shells
dc.typetext

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