当前位置： 文档下载 > 所有分类 > Swift Discovery of Gamma-Ray Bursts without Jet Break Feature in their X-Ray Afterglows当前位置： 文档下载 > 所有分类 > Swift Discovery of Gamma-Ray Bursts without Jet Break Feature in their X-Ray AfterglowsWe analyze Swift gamma-ray bursts (GRBs) and X-ray afterglows for three GRBs with spectroscopic redshift determinations -- GRB 050401, XRF 050416a, and GRB 050525a. We find that the relation between spectral peak energy and isotropic energy of prompt emiss
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aAcceptedforpublicationinApJSwiftDiscoveryofGamma-rayBurstswithoutJetBreakFeatureintheirX-rayAfterglowsG.Sato1,2,R.Yamazaki3,K.Ioka4,T.Sakamoto1,5,T.Takahashi2,6,K.Nakazawa2,T.Nakamura4,K.Toma4,D.Hullinger1,7,8,M.Tashiro9,A.M.Parsons1,H.A.Krimm1,10,S.D.Barthelmy1,N.Gehrels1,D.N.Burrows11,P.T.O’Brien12,J.P.Osborne12,G.Chincarini13,14,andD.Q.Lamb15ABSTRACTWeanalyzeSwiftgamma-raybursts(GRBs)andX-rayafterglowsforthreeGRBswithspectroscopicredshiftdeterminations—GRB050401,XRF050416a,andGRB050525a.We ndthattherelationbetweenspectralpeakenergyandisotropicenergyofpromptemissions(theAmatirelation)isconsistentwiththatfortheburstsobservedinpre-Swiftera.However,we ndthattheX-rayafterglow
Efficiency Crisis of Swift Gamma-Ray Bursts with ...The most enigmatic feature in early X-ray ...jet surface on the line-of-sight is dim and ...
X-Ray-Rich Gamma-Ray Bursts Observed by Swift ...including the break feature in the light curves....jet (Yamazaki et al. 2002, 2004), the ...
afterglows and spectroscopy of Gamma-Ray Bursts ...the X-ray afterglow is a common feature in ...3. Implications on the ?reball model and jet ...
and X-ray Lines in Gamma Ray Bursts ...of the break energy of GRB spectra in the 50-...feature in GRB 970508 agrees with its previously ...
X-ray flares and the duration of engine activity...in Swift gamma-ray bursts has triggered ...jet break time (Chincarini 2006, O’Brien 2006)...
Swift-UVOT Observations of the X-Ray Flash 050406...are a softer class of gamma-ray bursts (GRBs)...The di?erentiating feature in the context of the...
SWIFT IDENTIFICATION OF DARK GAMMA-RAY BURSTS ¨ ...In a study of 36 BeppoSAX X-ray afterglows, ...break, νc , is located close to the X-ray ...
reballs in Gamma-Ray Bursts G. Ghisellini1 , A...Swift GRB X–ray light curves, derived an ...2 Γ0 the jet break time tj , but also a ...
ERRATUM: "Gamma-Ray Bursts in the Swift Era" (ChJAA, 7, 1, 2007)_专业资料。维普资讯 http://www.cqvip.com 维普资讯 http://www.cqvip.com ...
Discovery of the X-Ray A... 暂无评价 10页 免费...feature in GRB021004 is a common nature of GRB...2. Observation and Result Gamma-ray bursts (GRBs...
but even in their absence the core collapse process...of Cosmic Explosions: γ-Ray Bursts and Type Ib...the break is reasonably modeled by a jet with ...
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