The Search for Brown Dwarfs around White Dwarfs

Details The Search for Brown Dwarfs around White Dwarfs The Search for Brown Dwarfs around White Dwarfs

2002-08-16

arxiv.org/abs/astro-ph/0208310v2

Astronomy and Astrophysics

Astrophysics

4 pages, to appear in the proceedings of IAU symposium 211 on Brown Dwarfs

Scientific paper

The infrared search for substellar companions to nearby white dwarfs has been going 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.

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