Search Results for author: Fukun Liu

Found 2 papers, 0 papers with code

X-ray flares from the stellar tidal disruption by a candidate supermassive black hole binary

no code implementations22 Dec 2020 Xinwen Shu, Wenjie Zhang, Shuo Li, Ning Jiang, Liming Dou, Zhen Yan, Fu-Guo Xie, Rongfeng Shen, Luming Sun, Fukun Liu, Tinggui Wang

Optical transient surveys have led to the discovery of dozens of stellar tidal disruption events (TDEs) by massive black hole in the centers of galaxies.

High Energy Astrophysical Phenomena Astrophysics of Galaxies

Elliptical accretion disk as a model for tidal disruption events

no code implementations10 Dec 2020 Fukun Liu, Chunyang Cao, Marek A. Abramowicz, Maciek Wielgus, Rong Cao, Zhiqin Zhou

Elliptical accretion disks predict sub-Eddington luminosities and emit mainly at the photon-trapping radius of thousands of Schwarzschild radii with a blackbody spectrum of nearly single temperature of typically about 3X10^4 K. Because of the self-regulation, the photon-trapping radius expands and contracts following the rise and fall of accretion rate.

High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology

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