Analysis of the Arrival Directions of Ultrahigh Energy Cosmic Rays
A.A. Mikhailov
TL;DR
This paper analyzes the arrival directions of ultrahigh energy cosmic rays, revealing large-scale anisotropy and constructing celestial maps, which contribute to understanding their origins.
Contribution
It introduces the first celestial maps of equal exposition for AGASA and SUGAR data and detects large-scale anisotropy in cosmic ray arrival directions.
Findings
Detected large-scale anisotropy of cosmic rays from the Galaxy's Local Arm.
Constructed celestial maps of equal exposure for AGASA and SUGAR data.
Identified potential links between cosmic ray directions and galactic structures.
Abstract
The arrival directions of ultrahigh energy extensive air showers (EAS) by Yakutsk, AGASA and SUGAR array data are considered. For the first time, the maps of equal exposition of celestial sphere for the distribution of particles by AGASA and SUGAR array data have been constructed. The large-scale anisotropy of E>4.10^19 eV cosmic rays from the side of Input and Output of the Galaxy Local Arm by Yakutsk, AGASA and SUGAR array data has been detected. The problem of cosmic ray origin is discussed.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Radio Astronomy Observations and Technology · Dark Matter and Cosmic Phenomena