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An ALMA disk mass for the candidate protoplanetary companion to FW Tau

Kraus, Adam L; Andrews, Sean M; Bowler, Brendan P; Herczeg, Gregory; Ireland, Michael; Liu, Michael C.; Metchev, Stanimir; Cruz, Kelle L.


We present ALMA observations of the FW Tau system, a close binary pair of M5 stars with a wide-orbit (300AU projected separation) substellar companion. The companion is extremely faint and red in the optical and near-infrared, but boasts a weak far-infrared excess and optical/near-infrared emission lines indicative of a primordial accretion disk of gas and dust. The component-resolved 1.3 mm continuum emission is found to be associated only with the companion, with a flux (1.78 ± 0.03 mJy) that...[Show more]

CollectionsANU Research Publications
Date published: 2015-01-01
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.1088/2041-8205/798/1/L23


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