# Smoking Gun of the Dynamical Processing of the Solar-type Field Binary Stars

@article{Liu2019SmokingGO,
title={Smoking Gun of the Dynamical Processing of the Solar-type Field Binary Stars},
author={C. Liu},
journal={Monthly Notices of the Royal Astronomical Society},
year={2019},
volume={490},
pages={550-565}
}
• C. Liu
• Published 2019
• Physics
• Monthly Notices of the Royal Astronomical Society
• We investigate the binarity properties in field stars using more than 50\,000 main-sequence stars with stellar mass from 0.4 to 0.85\,$M_\odot$ observed by LAMOST and {\emph Gaia} in the solar neighborhood. By adopting a power-law shape of the mass-ratio distribution with power index of $\gamma$, we conduct a hierarchical Bayesian model to derive the binary fraction ($f_{b}$) and $\gamma$ for stellar populations with different metallicities and primary masses ($m_1$). We find that $f_b$ is… CONTINUE READING

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