Discovery of a faint Field Methane Brown Dwarf from ES0 NTT and VLT observations

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dc.creatorCuby, J. G.
dc.creatorSaracco, P.
dc.creatorMoorwood, A. F. M.
dc.creatorD'Odorico, S.
dc.creatorLidman, C.
dc.creatorComeron, F.
dc.creatorSpyromilio, J.
dc.date1999-07-02
dc.date1999-08-13
dc.date.accessioned2026-07-07T02:32:16Z
dc.date.available2026-07-07T02:32:16Z
dc.descriptionWe report the discovery of an isolated brown dwarf with similar properties to the binary object Gliese 229B and to the newly discovered field brown dwarf SDSS 1624+00. Although exhibiting similar colors, its magnitude of ~20.5 is about 6 and 5 magnitudes fainter than Gliese 229B and SDSS 1624+00 respectively. This is the third methane brown dwarf reported to date, the second isolated one in the field and by far the most distant at ~ 100 pc. Its IR spectrum, although at low S/N given the faintness of the object, is remarkably similar to those of the 2 other methane brown dwarfs.
dc.description4 pages, 2 figures, corrected version after referee's comments. Changes are in comments in the header of the tex file
dc.identifierhttps://arxiv.org/abs/astro-ph/9907028
dc.identifierhttp://arxiv.org/abs/astro-ph/9907028
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/14449
dc.subjectAstrophysics
dc.titleDiscovery of a faint Field Methane Brown Dwarf from ES0 NTT and VLT observations
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