Preliminary analysis of GRB060607A within the fireshell model

摘要：

GRB060607A is a very distant(Z=3.082)and energetic event(Eiso～10 53 erg)．Its main peculiarity is that the peaK of the near-infrared afterglow has been observed with the REM robotic telescope,allowing to infer the initial Lorentz gammafactor of the emitting system．We present a preliminary analysis of the spectra and light curves of GRB060607A prompt emission within the fireshell model．We show that the N(E)spectrum of the prompt emission,whose behavior is usuallydescribed as“simple power-law,can also be fitted in a satisfactory way by a convolution of thermal spectra as predicted bytbe model we applied．The theoretical time-integrated spectrum of the prompt emission as well as the light curves in the BATand XRT energy band are in good agreement with the observations,enforcing the plausibility of our approach．Furthermore,the initial value of Lorentz gamma factor we predict iS compatible with the one deduced from the REM observations．

关键词： gamma-rays bursts-black hole physics

作者: M.G.Bernardini C.L.Bianco L.Caito M.G.Dainotti R.Guida R.Ruffini

作者单位: Dipartimento di Fisica,Universita di Roma“La Sapienza,Roma,1-00185,Italy ICRANet and ICRA,Piazzale Dipartimento di Fisica,Universita di Roma“La Sapienza,Roma,1-00185,Italy ICRANet and ICRA,Piazzale Dipartimento di Fisica,Universita di Roma“La apienza,Roma,1-00185,Italy ICRANet and ICRA,Piazzale d

会议类型: 国际会议

会议名称: 2008 NanJing Gamma-Ray Burst Conference(2008年伽马暴国际研讨会)

会议地点: 南京

会议语种:英文

页码: 227-230

在线出版日期: 2008-06-23（万方平台首次上网日期，不代表论文的发表时间）