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Wide Binaries in Tycho-Gaia II: Metallicities, Abundances, and Prospects for Chemical Tagging
Jeff J. Andrews, Julio Chanamé, Marcel A. Agüeros
From our recent catalog based on the first Gaia data release (TGAS), we select wide binaries in which both stars have been observed by the Radial Velocity Experiment (RAVE) or the…
dart_board: Binary Population Synthesis with Markov Chain Monte Carlo
Jeff J Andrews, Andreas Zezas, Tassos Fragos
By employing Monte Carlo random sampling, traditional binary population synthesis (BPS) offers a substantial improvement in efficiency over brute force, grid-based studies. Even so…
Wide Binaries in Tycho-{\it Gaia}: Search Method and the Distribution of Orbital Separations
Jeff J. Andrews, Julio Chanamé, Marcel A. Agüeros
We mine the Tycho-{\it Gaia} astrometric solution (TGAS) catalog for wide stellar binaries by matching positions, proper motions, and astrometric parallaxes. We separate genuine bi…