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Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/306534
Description: We present new evidence for a problem with cooling rates predicted by substellar evolutionary models that implies that model-derived masses in the literature for brown dwarfs and directly imaged plane ... More
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Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/305702
Description: We report the discovery of three planetary-mass companions (M = 6-20 M Jup) in wide orbits (p ~ 150-300 AU) around the young stars FW Tau (Taurus-Auriga), ROXs 12 (Ophiuchus), and ROXs 42B (Ophiuchus) ... More
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Date: 2013
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/274968
Description: The white dwarf LHS 3236 (WD1639+153) is shown to be a double-degenerate binary, with each component having a high mass. Astrometry at the U.S. Naval Observatory gives a parallax and distance of 30.86 ... More
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Date: 2011
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/158396
Description: We present Keck OSIRIS 1.1-1.8 μm adaptive optics integral field spectroscopy of the planetary-mass companion to GSC 06214-00210, a member of the 5Myr Upper Scorpius OB association. We infer a spectra ... More
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Date: 2010
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1161093
Description: We present an analysis of ~5 years of Lick Observatory radial velocity measurements targeting a uniform sample of 31 intermediate-mass (IM) subgiants (1.5 ≲ M*/M⊙ ≲ 2.0) with the goal of measuring the ... More
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Date: 2009
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/137572
Description: 24 page(s)
Reviewed: Reviewed
Date: 2009
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/137394
Description: We present Keck laser guide star adaptive optics imaging and aperture masking observations of the M8+L7binary LHS2397aAB. Together with archival Hubble Space Telescope, Gemini-North, and Very Large Te ... More
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Date: 2008
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/137411
Description: We present multiepoch imaging of the T5.0+T5.5 binary 2MASS J15344984-2952274AB obtained with the Keck laser guide star adaptive optics system. Combined with archival HST imaging, our total data span ... More
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Date: 2008
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/136983
Description: Evidence is presented that 2MASS J03202839-0446358, a late-type dwarf with discrepant optical (M8:) and near-infrared (L1) spectral types, is an as-yet unresolved stellar/brown dwarf binary with late- ... More
Reviewed: Reviewed
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