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ALMA View of the Infalling Envelope around a Massive Protostar in S255IR SMA1
Sheng-Yuan Liu, Yu-Nung Su, Igor Zinchenko +4
The massive young stellar object S255IR NIRS3 embedded in the star forming core SMA1 has been recently observed with a luminosity burst, which is conjectured as a disc-mediated var…
Spin-Orbit Misalignments in Tertiary-Induced Black-Hole Binary Mergers: Theoretical Analysis
Yubo Su, Dong Lai, Bin Liu
Black-hole (BH) binary mergers driven by gravitational perturbations of tertiary companions constitute an important class of dynamical formation channels for compact binaries detec…
Dynamics of Colombo's Top: Generating Exoplanet Obliquities from Planet-Disk Interactions
Yubo Su, Dong Lai
Large planetary spin-orbit misalignments (obliquities) may strongly influence atmospheric circulation and tidal heating in the planet. A promising avenue to generate obliquities is…
Physics of Tidal Dissipation in Early-Type Stars and White Dwarfs: Hydrodynamical Simulations of Internal Gravity Wave Breaking in Stellar Envelopes
Yubo Su, Daniel Lecoanet, Dong Lai
In binaries composed of either early-type stars or white dwarfs, the dominant tidal process involves the excitation of internal gravity waves (IGWs), which propagate towards the st…