A search for J-band variability from late-L and T brown dwarfs

Details A search for J-band variability from late-L and T brown dwarfs A search for J-band variability from late-L and T brown dwarfs

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008mnras.386.2009c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 386, Issue 4, pp. 2009-2014.

Astronomy and Astrophysics

Astronomy

4

Techniques: Photometric, Stars: Low-Mass, Brown Dwarfs

Scientific paper

We present J-band photometric observations of eight late-L and T type brown dwarfs designed to search for variability. We detect small amplitude periodic variability from three of the objects on time-scales of several hours, probably indicating the rotation period of the objects. The other targets do not show any variability down to the level of 0.5-5 per cent
This work is based on observations obtained at the European Southern Observatory, La Silla, Chile (ESO Programme 72.C-0006).
E-mail: fclarke@astro.ox.ac.uk (FJC); sth@ast.cam.ac.uk (STH); bro@amnh.org (BRO); xavier.haubois@obspm.fr (XH)

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