A model of pulsed gamma-radiation from the X-ray binary Hercules X-1/HZ Herculis View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

1991

AUTHORS

F. A. Aharonian , A. M. Atoyan

ABSTRACT

A model of pulsed VHE and UHE γ-radiation from X-ray binaries is proposed. The model implies that the γ-rays are due to the bombardment of a cloud ejected from the companion normal star by the relativistic proton beam stationarily accelerated by the pulsar. In the framework of this model, all the peculiarities of the γ-radiation observed Hercules X-1/HZ Herculis are naturally explained. Namely, a) the γ-ray pulsation frequency shift with the respect to the X-ray frequency; b) episodic nature of γ-ray events with typical burst duration Δt ≲ 1 hour; c) the absence of any correlation between the γ-ray events and the orbital phase of the binary; d) the observation of γ-ray events in the phase of the deep eclipse of the pulsar. The expected γ-ray spectra in a wide range of energy, 100 MeV < E < 1 PeV, as well as the possibilities of experimental verification of the model are discussed. More... »

PAGES

145-145

Book

TITLE

Relativistic Hadrons in Cosmic Compact Objects

ISBN

978-3-540-54789-1
978-3-540-46448-8

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/3-540-54789-4_66

DOI

http://dx.doi.org/10.1007/3-540-54789-4_66

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1025632405


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