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○ Date : Tuesday (Mar. 8), 18:00,

○ Place :  학술정보관 7층 Creative Learning Room

○ Speaker : Alexei Pozanenko (러시아 국립우주연구소: Space Research Institute (IKI), Moscow)

○ Topic :Unsolved puzzles of Gamma-Ray Bursts

○ Abstract: 

We are briefly review main features of GRB and  discuss some phenomenological properties of GRBs which are still not found explanations within current GRB models. In particular we discuss aperiodic properties of prompt gamma-ray emission, extended emission, search for periodicity in the prompt/extended emission, spectral lag and FRED time profile of individual pulses of the prompt emission.

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