Brown Dwarfs
After a discussion of the physical processes in brown dwarfs, we present a complete, precise definition of brown dwarfs and
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Brown Dwarfs as Ejected Stellar Embryos: Observational Perspectives
We discuss a scenario in which brown dwarfs are formed like stars, except that their full collapse phases are interrupted
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Brown Dwarfs from Turbulent Fragmentation
The origin of brown dwarfs (BDs) is an important component of the theory of star formation, because BDs are approximately
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Brown Dwarfs in the Pleiades, a deep IJK survey
An area large enough (180 sq arcmin) to put constraints on a possible low mass brown dwarf population in the
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Brown Dwarfs in the Pleiades Cluster: a CCD-based R,I survey
We have obtained deep CCD R and I mosaic imaging of 578 arcmin$^{2}$ within 1$^{\circ}$.5 of the Pleiades' center --
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Brown Dwarfs in the Pleiades Cluster. II. J, H and K photometry
We have obtained near-IR observations of some of the faintest objects so far known towards the Pleiades cluster, with the
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Brown Dwarfs in the Pleiades II. A deep optical and near-infrared survey
The brown dwarf population in the Pleiades cluster has been probed in a deep 850 arcmin2 RIJK survey. The survey
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AA Dor - An Eclipsing sdOB - Brown Dwarf Binary
AA Dor is an eclipsing, close, post common-envelope binary consisting of a sdOB primary star and an unseen secondary with
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A Brown Dwarf Microlens Candidate in the OGLE-II Database
We describe a unique mass determination for a microlensing event from the second phase of the Optical Gravitational Microlensing Experiment
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Advances in the Theory of Extrasolar Giant Planets and Brown Dwarfs
We have developed a new non-gray theory of the evolution, spectra, and colors of extrasolar giant planets (EGPs) and brown
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A Dynamical Origin for Brown Dwarfs
Brown dwarfs may have such low masses because they are prematurely ejected from small unstable multiple systems, while the members
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Alkali Metals and the Color of Brown Dwarfs
I summarize some of the consequences for the optical and very-near-infrared spectra of T dwarfs (in particular) and brown dwarfs
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Analysis of The Hipparcos Measurements of HD10697 - A Mass Determination of a Brown-Dwarf Secondary
HD10697 is a nearby main-sequence star around which a planet candidate has recently been discovered by means of radial-velocity measurements
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Analysis of the Hipparcos Observations of the Extrasolar Planets and the Brown-Dwarf Candidates
We analyzed the Hipparcos astrometric observations of 47 stars that were discovered to harbor giant planets and 14 stars with
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A Search for Disk Emission in Young Brown Dwarfs: L'-band Observations of sigma Orionis and TW Hydrae
Studies of disks around young brown dwarfs are of paramount importance to our understanding of the origin, diversity and early
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A Search for Low Mass Stars and Brown Dwarfs in the Upper Scorpius OB Association
We are conducting a U,B,R,I monitoring program to identify pre-main sequence stars and brown dwarfs in a 12.5x12.2 square degree
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A search for variability in brown dwarfs and L dwarfs
We have undertaken a differential photometric I band search for variability in three Pleiades brown dwarfs and three very low
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Astrometric and Spectroscopic Confirmation of a Brown Dwarf Companion to GSC 08047-00232
We report VLT/NACO imaging observations of the stars GSC 08047-00232 and HIP 6856, probable members of the large Tucana-Horologium association.
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Between Cool Stars and Hot Planets: Origins of Brown Dwarfs
Brown dwarfs, which straddle the mass range between stars and planets, appear to be common both in the solar neighborhood
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Binaries among Ultra-cool Dwarfs and Brown Dwarfs
Observations of brown dwarfs provide important feedback on theories of atmospheres and inner structure of substellar objects. Brown dwarf binary
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Can AB Dor C be a Tight Binary Brown Dwarf?
AB Dor C, a low-mass companion to the young star AB Dor A has recently been imaged. Direct detection and
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Detection of brown dwarfs by the micro-lensing of unresolved stars
The presence of brown dwarfs in the dark galactic halo could be detected through their gravitational lensing effect and experiments
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Discovery of a faint Field Methane Brown Dwarf from ES0 NTT and VLT observations
We report the discovery of an isolated brown dwarf with similar properties to the binary object Gliese 229B and to
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Discovery of Radio Emission from the Brown Dwarf LP944-20
Brown dwarfs are classified as objects which are not massive enough to sustain nuclear fusion of hydrogen, and are distinguished
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