| Issue |
EPJ Web Conf.
Volume 145, 2017
ISVHECRI 2016 – XIX International Symposium on Very High Energy Cosmic Ray Interactions
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 3 | |
| Section | Astroparticle Physics of Very High Energies | |
| DOI | https://doi.org/10.1051/epjconf/201714504003 | |
| Published online | 26 June 2017 | |
https://doi.org/10.1051/epjconf/201714504003
Bursts of the Crab Nebula gamma-ray emission at high and ultra-high energies
Institute for Nuclear Research, Russian Academy of Sciences, Moscow, Russia
a e-mail: lidvansk@lebedev.ru
Published online: 26 June 2017
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 100 MeV (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.
© The Authors, published by EDP Sciences 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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