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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 ...
IC and RC band time-series observations of some bright ultracool dwarfs
(Oxford University Press, 2005)
The results of more than 100 h of CCD photometric monitoring of 10 L dwarfs and two T dwarfs
are presented. Reasonable evidence is shown for IC band variability in DENIS 0255−4700,
DENIS 1705−0516 and 2M 2104−1037. ...