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An ALMA Constraint on the GSC 6214-210 B Circum-substellar Accretion Disk Mass

Bowler, Brendan P.; Andrews, Sean M.; Kraus, A L; Herczeg, Gregory; Ricci, Luca; Carpenter, J M; Brown, Michael E; Ireland, Michael


We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of GSC 6214-210 A and B, a solar-mass member of the 5-10 Myr Upper Scorpius association with a 15 ± 2 M<inf>Jup</inf> companion orbiting at ≈330 AU (2.″2). Previous photometry and spectroscopy spanning 0.3-5 μm revealed optical and thermal excess as well as strong H and Pa β emission originating from a circum-substellar accretion disk around GSC 6214-210 B, making it the lowest-mass companion with unambiguous evidence...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Astrophysical Journal Letters
DOI: 10.1088/2041-8205/805/2/L17
Access Rights: Open Access


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