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Oxford University Press, Monthly Notices of the Royal Astronomical Society, 1(304), p. 119-126, 1999

DOI: 10.1046/j.1365-8711.1999.02297.x

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Searching for Weather in Brown Dwarfs

Journal article published in 1998 by C. G. Tinney ORCID, A. J. Tolley
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We have used an innovative tuneable filter technique to carry out a search for the variability signatures of meterological processes in the atmospheres of two nearby brown dwarfs. We find no evidence for variability in the L-type brown dwarf DENIS-PJ1228-1547 in an observations spanning approximately half a rotation period (3 hours), and evidence for variability in the M-type brown dwarf LP 944-20 in multiple observations spanning approximately one third of a rotation period (1.5 hours). ; Comment: 8 pages, 7 figures. To appear in the Monthly Notices of the RAS. Replaced version contains paper as accepted