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The Search for Brown Dwarfs around White Dwarfs

Published online by Cambridge University Press:  26 May 2016

J. Farihi ,
E. E. Becklin  and
B. Zuckerman
J. Farihi
Affiliation:
University of California Los Angeles, 8371 Mathematical Sciences Building, Los Angeles CA 90095–1562
E. E. Becklin
Affiliation:
University of California Los Angeles, 8371 Mathematical Sciences Building, Los Angeles CA 90095–1562
B. Zuckerman
Affiliation:
University of California Los Angeles, 8371 Mathematical Sciences Building, Los Angeles CA 90095–1562

Abstract

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The infrared search for substellar companions to nearby white dwarfs has been going on for a little more than a decade. The most recent phase has been a wide field proper motion search carried out primarily at Steward Observatory, where we are complete down to J = 18. Earlier phases included near field searches at the IRTF and Keck Observatory. In the last year we have discovered ten previously unrecognized faint proper motion companions. Of the recent discoveries, most are white dwarfs and a few M dwarfs. GD165B, discovered in 1988 as part of our program, is still the only known companion to a white dwarf with spectral type later than M.

Type
Part 6. Searches for Substellar Companions
Information
Symposium - International Astronomical Union , Volume 211: Brown Dwarfs , 2003 , pp. 289 - 292
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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