Long-term flaring activity of XRF 011030 observed with BeppoSAX

被引：23

作者：

Galli, A. ^{[1
]}

Piro, L. ^{[1
]}

机构：

[1] INAF, Ist Astrofis Spaziale & Fis Cosm, Sez Roma, I-00133 Rome, Italy

来源：

ASTRONOMY & ASTROPHYSICS | 2006年 / 455卷 / 02期

关键词：

radiation mechanism : non-thermal; gamma rays : bursts;

D O I：

10.1051/0004-6361:20054448

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the spectral and temporal analysis of the X-ray flash XRF 011030 observed with BeppoSAX. This event is characterized by a very long X-ray bursting activity that lasts about 1500 s, one of the longest ever observed by BeppoSAX. In particular, a precursor and a late flare are present in the light curve. We connect the late X-ray flare observed at about 1300 s to the afterglow emission observed by Chandra and associate it with the onset of the afterglow emission in the framework of external shock by a long duration engine activity. We find that the late X-ray flare and the broadband afterglow data, including optical and radio measurements, are consistent either with a fireball expanding in a wind environment or with a jetted fireball in an ISM.

引用

页码：413 / 422

页数：10

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