Bursts of the Crab Nebula gamma-ray emission at high and ultra-high energies

被引：1
|
作者：
Lidvansky, A. S. [1 ]
机构：
[1] Russian Acad Sci, Inst Nucl Res, Moscow, Russia
来源：
ISVHECRI 2016 - XIX INTERNATIONAL SYMPOSIUM ON VERY HIGH ENERGY COSMIC RAY INTERACTIONS | 2017年 / 145卷
基金：
俄罗斯基础研究基金会;
关键词：
FLARES;
D O I：
10.1051/epjconf/201714504003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Characteristics of the flares of gamma rays detected from the Crab Nebula by the AGILE and Fermi-LAT satellite instruments are compared with those of a gamma ray burst recorded by several air shower arrays on February 23, 1989 and with one recent observation made by the ARGO-YBJ array. It is demonstrated that though pulsar-periodicity and energy spectra of emissions at 100MeV (satellite gamma ray telescopes) and 100 TeV (EAS arrays) are different, their time structures seem to be similar. Moreover, maybe the difference between "flares" and "waves" recently found in the Crab Nebula emission by the AGILE team also exists at ultra-high energies.
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页数：3
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