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- Chinese Academy of SciencesCN199 papers
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16 papers · 1 filter
Clues from the prompt emission of GRB 080319B
Y. C. Zou, T. Piran, R. Sari
The extremely bright optical flash that accompanied GRB 080319B suggested, at first glance, that the prompt -rays in this burst were produced by Synchrotron self Compton (SSC).…
Expected high energy emission from GRB 080319B and origins of the GeV emission of GRBs 080514B, 080916C and 081024B
Yuan-Chuan Zou, Yi-Zhong Fan, Tsvi Piran
We calculate the high energy (sub-GeV to TeV) prompt and afterglow emission of GRB 080319B that was distinguished by a naked-eye optical flash and by an unusual strong early X-ray…
Association of the 3:2 HFQPO Pairs with the Broad Fe K Line in XTE J1550-564 and GRO J1655-40
Ding-Xiong Wang, Zhao-Ming Gan, Chang-Yin Huang +1
Association of the high-frequency quasi-periodic oscillation (HFQPO) pairs with the broad Fe K line in XTE J1550-564 and GRO J1655-40 is discussed based on the magnetic coupling (M…
The non-ballistic superluminal motion in the plane of the sky
Biping Gong
Faster-than-light or superluminal motion was originally predicted as a relativistic illusion of ballistic moving ejecta, and confirmed in a few tens of sources observationally. How…
A simplified model of jet power from active galactic nuclei
Yang Li, Ding-Xiong Wang, Zhao-Ming Gan
Aims. A simplified model of jet power from active galactic nuclei is proposed in which the relationship between jet power and disk luminosity is discussed by combining disk accreti…
Hyperaccretion after the Blandford-Znajek Process: a New Model for GRBs with X-Ray Flares Observed in Early Afterglows
Wei-Hua Lei, Ding-Xiong Wang, Yuan-Chuan Zou +1
We propose a three-stage model with Blandford-Znajek (BZ) and hyperaccretion process to interpret the recent observations of early afterglows of Gamma-Ray Bursts (GRBs). In the fir…