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22 papers · 2 filters
The launching condition of a jet driven by the magnetic field and radiation pressure of an accretion disc
Xinwu Cao
We find that the cold gas can be magnetically launched from the disc surface with the help of the radiation pressure if the angular velocity of the radiation pressure dominated acc…
Chandra Observation of a Weak Shock in the Galaxy Cluster A2556
Zhenzhen Qin, Haiguang Xu, Jingying Wang +3
Based on a 21.5 ks \chandra\ observation of A2556, we identify an edge on the surface brightness profile (SBP) at about 160 kpc northeast of the cluster center, and it…
Search for gamma-ray emission from four accreting millisecond pulsars with Fermi/LAT
Yi Xing, Zhongxiang Wang
We report our search for γ-ray emission in the energy range from 100 MeV to 300 GeV from four Accreting Millisecond Pulsars (AMPs), SAX J1808.4-3658, IGR J00291+5934, XTE J1814-338…
Outflow from Hot Accretion Flows
Feng Yuan, Defu Bu, Maochun Wu
Numerical simulations of hot accretion flows have shown that the mass accretion rate decreases with decreasing radius. Two models have been proposed to explain this result. In the…
Dynamics of neutrino-driven winds: inclusion of accurate weak interaction rates in strong magnetic fields
Men-Quan Liu, Zhong-Xiang Wang
Solving Newtonian steady-state wind equations with accurate weak interaction rates and magnetic fields (MFs) of young neutron stars considered, we study the dynamics and nucleosynt…
A general relativistic model of accretion disks with coronae surrounding Kerr black holes
Bei You, Xinwu Cao, Ye-Fei Yuan
We calculate the structure of a standard accretion disk with corona surrounding a massive Kerr black hole in general relativistic frame, in which the corona is assumed to be heated…