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LAMOST medium-resolution spectroscopic survey of binarity and exotic star (LAMOST-MRS-B): Observation strategy and target selection
Jiao Li, Jiang-Dan Li, Yan-Jun Guo +15
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 per…
New insights into the helium star formation channel of AM CVn systems with explanations of Gaia14aae and ZTFJ1637+49
Arnab Sarkar, Hongwei Ge, Christopher A. Tout
We model helium-rich stars with solar metallicity () progenitors that evolve to form AM Canum Venaticorum systems through a helium-star formation channel, with the…
Influence of a mass transfer stability criterion on double white dwarf populations
Zhenwei LI, Xuefei Chen, Hongwei Ge +2
Mass transfer stability is an essential issue in binary evolution. Ge et al. studied critical mass ratios for dynamically stable mass transfer by establishing adiabatic mass loss m…
The Common Envelope Evolution Outcome -- A Case Study on Hot Subdwarf B Stars
Hongwei Ge, Christopher A Tout, Xuefei Chen +6
Common envelope evolution (CEE) physics plays a fundamental role in the formation of binary systems, such as mergering stellar gravitational wave sources, pulsar binaries and type…