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A deep survey of brown dwarfs in Orion with Gemini

Abstract:

We report the results of a deep near-infrared (JHK) survey of the outer parts of the Trapezium Cluster with Gemini South/Flamingos. 396 sources were detected in a 26 arcmin 2 area, including 138 brown dwarf candidates, defined as M < 0.075 M ⊙ for an assumed age of 1 Myr. Only 33 of the brown dwarf candidates are planetary mass candidates with estimated masses in the range 0.003 < M < 0.012 M ⊙. In an extinction-limited sample (A v < 5) complete to approximately 0. 005 M ⊙ (5 M Ju...

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Publication status:
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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
361
Issue:
1
Pages:
211-232
Publication date:
2005-07-21
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
11475
Language:
English
Keywords:
Pubs id:
pubs:11475
UUID:
uuid:75c62b1b-9906-443c-a54e-a3c64e382d06
Local pid:
pubs:11475
Deposit date:
2012-12-19

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