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JHKs time-series observations of a few ultracool dwarfs
(Oxford University Press, 2005)
The M8.5 object SSSPM J0109−5101 has recently been shown to be both a periodic and a
flaring variable, based on optical observations in the extreme red. More than 16 h of monitoring
in the near-infrared (NIR) reported ...
Multicolour time series photometry of 2MASS 1207−3932
(Oxford University Press, 2008)
Time series photometry in VRI of the young brown dwarf Two-Micron All-Sky Survey
(2MASS) J1207334−393254 is presented. Variability in I is insignificant, but amplitudes
up to ∼0.2 mag in R, and ∼0.55 mag in V, are seen ...