Time delay of the PeV gamma ray burst after the October 1985 radio flare of Cygnus X-3

Details Time delay of the PeV gamma ray burst after the October 1985 radio flare of Cygnus X-3 Time delay of the PeV gamma ray burst after the October 1985 radio flare of Cygnus X-3

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.334..506b&link_type=abstract

Nature (ISSN 0028-0836), vol. 334, Aug. 11, 1988, p. 506, 507.

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Binary Stars, Flare Stars, Gamma Ray Bursts, Radio Sources (Astronomy), X Ray Sources, Absorption Spectra, Computational Astrophysics, Stellar Luminosity, Time Lag

Scientific paper

Cygnus X-3 remains a puzzling and controversial source of ultra-high-energy radiation, E ≥ 0.1 PeV. In existing data, TeV and sometimes PeV radiation has been seen episodically; such an episode is connected with the radio flare of Cyg X-3 in October 1985, when PeV radiation with no phase structure was seen. The PeV pulse was detected 3 - 5 days after the radio flare. The author proposes a natural explanation of this delay in which gamma-photons of PeV energy are absorbed by radio radiation inside the source. After a delay, the gamma radiation emerges as the radio flux diminishes and absorption decreases.

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