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T Dwarf Photometric Variability

Published online by Cambridge University Press:  26 May 2016

Etienne Artigau ,
Daniel Nadeau  and
René Doyon
Etienne Artigau
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. A, Montréal, QC, Canada H3C 3J7
Daniel Nadeau
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. A, Montréal, QC, Canada H3C 3J7
René Doyon
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. A, Montréal, QC, Canada H3C 3J7

Abstract

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We report on a J and H photometric variability survey of 10 T dwarfs. Four brown dwarfs in the sample show significant J band variability at the 99% confidence level or higher. The amplitude of variation ranges from 2 to 17%. Our data show evidence of variability for late as well as early T dwarfs.

Type
Part 8. Activity and Weather
Information
Symposium - International Astronomical Union , Volume 211: Brown Dwarfs , 2003 , pp. 451 - 454
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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