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A nearby young M dwarf with a wide, possibly planetary-mass companion

Deacon, Niall R; Schlieder, Joshua E; Murphy, Simon J

Description

We present the identification of two previously known young objects in the solar neighbourhood as a likely very wide binary. TYC 9486-927-1, an active, rapidly rotating early-M dwarf, and 2MASS J21265040-8140293, a low-gravity L3 dwarf previously identified as candidate members of the ~45 Myr old Tucana Horologium association (TucHor). An updated proper motion measurement of the L3 secondary, and a detailed analysis of the pair's kinematics in the context of known nearby, young stars,...[Show more]

CollectionsANU Research Publications
Date published: 2016-01-23
Type: Journal article
URI: http://hdl.handle.net/1885/111432
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw172

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