103 citations · 252 across the 9 of their papers we have counts for
10 papers
The complex kinematics of the young stars orbiting the supermassive black hole in the Galactic center can be explained by the presence of an intermediate mass companion of Sgr A
Xiaochen Zheng, Long Wang, Douglas N. C. Lin +2
The sub-parsec proximity around the Sgr A supermassive black hole (SMBH) in the center of the Milky Way contains an inner cluster of eccentric S-stars with randomly oriente…
A Robust Launching Mechanism for Freely-Floating Planets from Host Stars with Close-in Planets
Xiaochen Zheng, Zhuoya Cao, Shigeru Ida +2
Secular perturbations from binary stars and distant massive planets can drive cold planets onto nearly parabolic orbits with pericenter passages extremely close to their host stars…
The Orbital Structure and Selection Effects of the Galactic Center S-Star Cluster
Andreas Burkert, Stefan Gillessen, Douglas N. C. Lin +4
The orbital distribution of the S-star cluster surrounding the supermassive black hole in the center of the Milky Way is analyzed. A tight, roughly exponential dependence of the pe…
The influence of the secular perturbation of an intermediate-mass companion: II. Ejection of hypervelocity stars from the Galactic Center
Xiaochen Zheng, Douglas N. C. Lin, Shude Mao
There is a population of stars with velocities in excess of 500 km s relative to the Galactic center. Many, perhaps most, of these hyper-velocity stars (HVSs) are B stars, s…
Departure from the Exact Location of Mean Motion Resonances Induced by the Gas Disk in the Systems Observed by Kepler
Su Wang, D. N. C. Lin, Xiaochen Zheng +1
The statistical results of transiting planets show that there are two peaks around 1.5 and 2.0 in the distribution of orbital period ratios. A large number of planet pairs are foun…
The influence of the secular perturbation of an intermediate-mass companion: I. Eccentricity excitation of disk stars at the Galactic center
Xiaochen Zheng, Douglas N. C. Lin, Shude Mao
There is a dense group of OB and Wolf-Rayet stars within a fraction of a parsec from the super-massive black hole (SMBH) at the Galactic Center. These stars appear to be coeval and…