On the origin of X-ray flashes

被引：34
|
作者：
Dadol, S [1 ]
Dar, A
De Rújula, A
机构：
[1] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel
[2] Technion Israel Inst Technol, Space Res Inst, IL-32000 Haifa, Israel
[3] CERN, Div Theory, CH-1211 Geneva 23, Switzerland
来源：
ASTRONOMY & ASTROPHYSICS | 2004年 / 422卷 / 02期
关键词：
X-rays : bursts; gamma-rays : bursts; stars : supernovae : general;
D O I：
10.1051/0004-6361:20034462
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We use the cannonball (CB) model of gamma ray bursts (GRBs) and their afterglows (AGs) to analyze the observational data on X-ray flashes (XRFs) and their AGs. We show that the observations support the CB-model interpretation that XRFs, like GRBs, are produced by the explosions of core-collapse supernovae (SNe) akin to SN1998bw, by jets of highly-relativistic CBs. The XRFs and GRBs are intrinsically identical objects, but the XRFs are viewed from angles (relative to the jet direction) which are typically a few times larger than the typical viewing angles of "classical", long-duration GRBs. There should be XRFs, not observed so far, with durations similar to those of short GRBs.
引用
收藏
页码：381 / 389
页数：9
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