Morphologies of the Nebulae around "born-again" Central Stars of Planetary Nebulae

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dc.creatorKimeswenger, S.
dc.creatorZijlstra, A. A.
dc.creatorvan Hoof, P. A. M.
dc.creatorHajduk, M.
dc.creatorHerwig, F.
dc.creatorLechner, M. F. M.
dc.creatorEyres, S. P. S.
dc.creatorVan de Steene, G. C.
dc.date2008-04-25
dc.date.accessioned2026-07-07T09:35:18Z
dc.date.available2026-07-07T09:35:18Z
dc.descriptionWhile in the past spherodicity was assumed, and still is used in modeling of most nebulae, we know now that only a small number of planetary nebulae (PNe) are really spherical or at least nearly round. Round planetary nebulae are the minority of objects. In the case of those objects that underwent a very late helium flash (called VLTP objects or ``born-again'' PNe) it seems to be different. The first, hydrogen-rich PN, is more or less round. The ejecta from the VLTP event, in contrast, are extremely asymmetrical.
dc.descriptionto appear in the proceedings of HYDEF07, Tuebingen 2007
dc.identifierhttps://arxiv.org/abs/0804.4069
dc.identifierhttp://arxiv.org/abs/0804.4069
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/159786
dc.subjectAstrophysics
dc.titleMorphologies of the Nebulae around "born-again" Central Stars of Planetary Nebulae
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