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BANYAN. VII. A New Population of Young Substellar Candidate Members of Nearby Moving Groups from the BASS Survey
Jonathan Gagné, Jacqueline K. Faherty, Kelle L. Cruz +9
[Abbreviated] We present the results of a near-infrared (NIR) spectroscopic follow-up survey of 182 M4-L7 low-mass stars and brown dwarfs (BDs) from the BANYAN All-Sky Survey (BASS…
SDSS J111010.01+011613.1: A New Planetary-Mass T Dwarf Member of the AB Doradus Moving Group
Jonathan Gagné, Adam J. Burgasser, Jacqueline K. Faherty +5
We present a new radial velocity measurement that, together with a trigonometric parallax, proper motion and signs of low gravity from the literature, confirms that SDSS J111010.01…
BANYAN. VI. Discovery of a companion at the brown dwarf/planet-mass limit to a Tucana-Horologium M dwarf
Étienne Artigau, Jonathan Gagné, Jacqueline Faherty +5
We report the discovery of a substellar companion to 2MASS J02192210-3925225, a young M6 candidate member of the Tucana-Horologium association (30 - 40 Myr). This L4 compan…
Characterization of Low-mass, Wide-separation Substellar Companions to Stars in Upper Scorpius: Near-infrared Photometry and Spectroscopy
François-René Lachapelle, David Lafrenière, Jonathan Gagné +4
We present new 0.9-2.45 m spectroscopy (), and , , , , photometry, obtained at Gemini North, of three low-mass brown dwarf companions on wi…
Discovery And Characterization of Wide Binary Systems With a Very Low Mass Component
Frédérique Baron, David Lafrenière, Étienne Artigau +7
We report the discovery of 14 low-mass binary systems containing mid-M to mid-L dwarf companions with separations larger than 250 AU. We also report the independent discovery of 9…