Ep‐EisoCorrelation in a Multiple Subjet Model of Gamma‐Ray Bursts | Zendy

Kenji Toma | Zendy; Ryo Yamazaki | Zendy; Takashi Nakamura | Zendy

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E_p‐E_isoCorrelation in a Multiple Subjet Model of Gamma‐Ray Bursts

Author(s) -

Kenji Toma,

Ryo Yamazaki,

Takashi Nakamura

Publication year - 2005

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/497388

Subject(s) - redshift , physics , astrophysics , gamma ray burst , context (archaeology) , luminosity , cosmic cancer database , correlation , jet (fluid) , monte carlo method , geometry , galaxy , thermodynamics , statistics , paleontology , mathematics , biology

We perform Monte Carlo simulations to study Ep-Eiso correlation in thecontext of a multiple subjet model (or inhomogeneous jet model) for gamma-raybursts (GRBs), X-ray--rich GRBs (XRRs), and X-ray flashes (XRFs). For a singlesubjet, we find that Ep prop. Eiso^0.4 for large viewing angles. For themultiple subjet model in which all the subjets have the same intrinsicproperties, off-axis events show Ep prop. Eiso^a with 0.4

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