AbstractWe analyze several recently detected gamma-ray bursts (GRBs) with late X-ray flares in the context of late internal shock and late external shock models. We find that the X-ray flares in GRB 050421 and GRB 050502B originate from late internal shocks, while the main X-ray flares in GRB 050406 and GRB 050607 may arise from late external shocks. We also constrain the lower limit on the Lorentz factor of X-ray flares in the context of the late internal shock model.


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    Title :

    X-ray flares from late internal and late external shocks


    Contributors:
    Wu, X.F. (author) / Dai, Z.G. (author) / Wang, X.Y. (author) / Huang, Y.F. (author) / Feng, L.L. (author) / Lu, T. (author)

    Published in:

    Advances in Space Research ; 40 , 8 ; 1208-1213


    Publication date :

    2007-04-10


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English






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