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The Collinder 69 cluster in the context of the Lambda Orionis SFR
David Barrado y Navascues, J. R. Stauffer, J. Bouvier +1
The Lambda Orionis Star Forming Region is a complex structure which includes the Col 69 (Lambda Orionis) cluster and the B30 & B35 dark clouds. We have collected deep optical photo…
A possible third component in the L dwarf binary system DENIS-P J020529.0-115925 discovered with the Hubble Space Telescope
H. Bouy, E. L. Martin, W. Brandner +1
We present results showing that the multiple system DENIS-P J020529.0-115925 is likely to be a triple system of brown dwarfs. The secondary of this previously known binary system s…
Multiple protostellar systems. I. A deep near infrared survey of Taurus and Ophiuchus protostellar objects
G. Duchene, J. Bouvier, S. Bontemps +2
(Abridged) We performed a deep infrared imaging survey of 63 embedded young stellar objects (YSOs) located in the Taurus and Ophiuchus clouds to search for companions. The sample i…
Low-mass substellar candidates in NGC 2264
Tim Kendall, Jerome Bouvier, Estelle Moraux +1
NGC 2264 is a young (3 Myr), populous star forming region for which our optical studies have revealed a very high density of potential brown dwarf (BD) candidates - 236 in less tha…
The substellar population of the young cluster lambda Orionis
David Barrado y Navascues, J. R. Stauffer, J. Bouvier +2
By collecting optical and infrared photometry and low resolution spectroscopy, we have identified a large number of low mass stars and brown dwarf candidates belonging to the young…