7 citations · 26 across the 9 of their papers we have counts for
10 papers
A universal brown dwarf desert formed between planets and stars
Kaiming Cui, Guang-Yao Xiao, Fabo Feng +10
Giant planets and brown dwarfs play a crucial role in star and planet formation, as they are situated at the boundary between planets and stars with uncertain formation mechanisms.…
Long-Term Evolution of Close-in Sub-Neptunes and Outer Planetary Embryos: Atmospheric Mass Loss and Origin of Planets Inside and Outside the Radius Gap
Yaxing He, Masahiro Ogihara, Kangrou Guo
As a byproduct of sub-Neptune formation, planetary embryos with high eccentricity can remain in outer orbits, near 1 au from the star. In this work, we investigate the long-term ev…
Formation of Free-Floating Planets via Ejection: Population Synthesis with a Realistic IMF and Comparison to Microlensing Observations
Kangrou Guo, Shigeru Ida, Masahiro Ogihara
Microlensing observations suggest that the mass distribution of free-floating planets (FFPs) follows a declining power-law with increasing mass. The origin of such distribution is…
A Population Synthesis Study on the Formation of Cold Jupiters from Truncated Planetesimal Disks
Kangrou Guo, Masahiro Ogihara, Shigeru Ida +3
The occurrence rate of giant planets increases with orbital period and turns over at a location that roughly corresponds to the snow line of solar-type stars. Further, the density…
Relative Occurrence Rate Between Hot and Cold Jupiters as an Indicator to Probe Planet Migration
Tianjun Gan, Kangrou Guo, Beibei Liu +4
We propose a second-order statistic parameter , the relative occurrence rate between hot and cold Jupiters (), to probe the migratio…
Tianyu: search for the second solar system and explore the dynamic universe
Fabo Feng, Yicheng Rui, Zhimao Du +32
Giant planets like Jupiter and Saturn, play important roles in the formation and habitability of Earth-like planets. The detection of solar system analogs that have multiple cold g…
The stability of unevenly spaced planetary systems
Sheng Yang, Liangyu Wu, Zekai Zheng +4
Studying the orbital stability of multi-planet systems is essential to understand planet formation, estimate the stable time of an observed planetary system, and advance population…
Formation of inner planets in the presence of a Cold Jupiter: orbital evolution and relative velocities of planetesimals
Kangrou Guo, Eiichiro Kokubo
We investigate the orbital evolution of planetesimals in the inner disk in the presence of nebula gas and a (proto-) cold Jupiter. By varying the mass, eccentricity, and semi-major…
Planetesimal Dynamics in the Presence of a Giant Planet II: Dependence on Planet Mass and Eccentricity
Kangrou Guo, Eiichiro Kokubo
The presence of an early-formed giant planet in the protoplanetary disk has mixed influence on the growth of other planetary embryos. Gravitational perturbation from the planet can…
Planetesimal Dynamics in the Presence of a Giant Planet
Kangrou Guo, Eiichiro Kokubo
Standard models of planet formation explain how planets form in axisymmetric, unperturbed disks in single star systems. However, it is possible that giant planets could have alread…