Formation of undermassive single white dwarfs and the influence of planets on late stellar evolution

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dc.creatorNelemans, G.
dc.creatorTauris, T. M.
dc.date1998-05-31
dc.date.accessioned2026-07-07T02:27:05Z
dc.date.available2026-07-07T02:27:05Z
dc.descriptionWe propose a scenario to form low-mass, single, slow rotating white dwarfs from a solar-like star accompanied by a massive planet, or a brown dwarf, in a relatively close orbit (e.g. HD 89707). Such white dwarfs were recently found by Maxted & Marsh (1998). When the solar-like star ascends the giant branch it captures the planet and the subsequent spiral-in phase expels the envelope of the giant leaving a low-mass helium white dwarf remnant. In case the planet evaporizes, or fills its own Roche-lobe, the outcome is a single undermassive white dwarf. The observed distribution of planetary systems supports the applicability of this scenario.
dc.description4 pages, accepted for publication in A&A letters
dc.identifierhttps://arxiv.org/abs/astro-ph/9806011
dc.identifierhttp://arxiv.org/abs/astro-ph/9806011
dc.identifierA&A 335 (1998) L85-L88
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/12542
dc.subjectAstrophysics
dc.titleFormation of undermassive single white dwarfs and the influence of planets on late stellar evolution
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