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LAMOST medium-resolution spectroscopic survey of binarity and exotic star (LAMOST-MRS-B): Observation strategy and target selection

Tian, Hao; Liu, Chao; Zhang, Bo +15 more

LAMOST-MRS-B is one of the sub-surveys of LAMOST medium-resolution (R ~ 7500) spectroscopic survey. It aims at studying the statistical properties (e.g., binary fraction, orbital period distribution, mass ratio distribution) of binary stars and exotic stars. We intend to observe about 30000 stars (10 mag ≤ G < 14.5 mag) with at least 10 visits …