SIMBAD references

2023MNRAS.519L...5Z - Mon. Not. R. Astron. Soc., 519, L5-L9 (2023/February-2)

Ultra high energy cosmic rays from past activity of Andromeda galaxy.

ZIRAKASHVILI V.N., PTUSKIN V.S. and ROGOVAYA S.I.

Abstract (from CDS):

It is shown that the relativistic jets associated with the growth and past activity of the supermassive black hole in the Andromeda galaxy could be the main source of cosmic rays with energies above 1015 eV. Most of the cosmic ray energy is related to a bow shock of the jet that produces multi PeV cosmic rays with light composition. The highest energy cosmic rays with heavy composition are produced in the jet itself. The spectra of energetic particles produced in Andromeda galaxy and propagated to the Earth are calculated and compared with observations.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): acceleration of particles - cosmic rays - galaxies: jets

Simbad objects: 7

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