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DYNAMICAL MASSES of YOUNG STARS. I. DISCORDANT MODEL AGES of UPPER SCORPIUS

Rizzuto, Aaron C.; Dupuy, Trent; Kraus, A L; Ireland, Michael

Description

We present the results of a long-term orbit monitoring program, using sparse aperture masking observations taken with NIRC2 on the Keck-II telescope, of seven G- to M-type members of the Upper Scorpius subgroup of the Sco–Cen OB association. We present astrometry and derived orbital elements of the binary systems we have monitored, and also determine the age, component masses, distance, and reddening for each system using the orbital solutions and multi-band photometry, including Hubble Space...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152196
Source: The Astrophysical Journal
DOI: 10.3847/0004-637X/817/2/164
Access Rights: Open Access

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