On the degree of dust extinction in major mergers

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dc.creatorBekki, Kenji
dc.creatorShioya, Yasihiro
dc.date2000-08-18
dc.date.accessioned2026-07-07T01:54:59Z
dc.date.available2026-07-07T01:54:59Z
dc.descriptionWe numerically investigate how fundamental properties of the spectral energy distribution (SED) of a major gas-rich galaxy merger with dusty starburst are determined by the initial orbital configuration of the merger. We found that an infrared luminous galaxy with dusty starburst formed by a nearly retrograde-retrograde merger suffers the most remarkable dust extinction of stellar light and consequently shows very red colors. Considering that a retrograde-retrograde merger does not produce strong and long tidal tails, this result suggests that a luminous infrared galaxy without clear signs of interaction and merging shows very large internal dust extinction and redder colors.These numerical results furthermore imply that the morphology of a luminous infrared galaxy can correlate with the degree of internal dust extinction and thus with the shape of the SED, principally because the morphology of a merger also depends strongly on the initial orbital configuration of the merger.
dc.description11 pages 8 (2 jpg) figures accepted by A&A
dc.identifierhttps://arxiv.org/abs/astro-ph/0008289
dc.identifierhttp://arxiv.org/abs/astro-ph/0008289
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/1504
dc.subjectAstrophysics
dc.titleOn the degree of dust extinction in major mergers
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