How do brown dwarves form?

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dc.creatorWhitworth, Anthony P.
dc.creatorGoodwin, Simon P.
dc.date2005-01-04
dc.date.accessioned2026-07-07T02:16:38Z
dc.date.available2026-07-07T02:16:38Z
dc.descriptionWe review and evaluate four mechanisms for forming brown dwarves: (i) dynamical ejection of a stellar embryo from its placental prestellar core; (ii) opacity-limited fragmentation of a shock-compressed layer; (iii) gravitational instabilities in discs, triggered by impulsive interactions with other discs or naked stars; and (iv) photo-erosion of pre-existing cores. All these mechanisms can produce free-floating brown dwarves, but only (ii) and (iii) are likely to produce brown dwarves in multiple systems, and (i) has difficulty delivering brown dwarves with discs.
dc.descriptionTo appear in the proceedings of "Low Mass Stars and Brown Dwarfs: IMF, Accretion and Activity" (Volterra, 2004). 6 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/astro-ph/0501049
dc.identifierhttp://arxiv.org/abs/astro-ph/0501049
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/8858
dc.subjectAstrophysics
dc.titleHow do brown dwarves form?
dc.typetext

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