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Published 2003 | Published
Book Section - Chapter Open

Testing for Photometric Variability at the L/T Boundary


We construct K_s-band light curves for nine field L and T brown dwarfs using the Palomar 60 inch Telescope. Results of a robust statistical analysis indicate that about half the targets show significant evidence for variability. Two of these variable targets have marginally significant peaks in the Lomb-Scargle periodogram. The phased light curves show evidence for periodic behavior on timescales of about 1.5 and 3.0 hours.

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© 2003 Astronomical Society of the Pacific.

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August 23, 2023
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