Self-absorption of high-energy Gamma-rays in Cygnus X-3

Self-absorption of high-energy Gamma-rays in Cygnus X-3

Absorption of high-energy gamma-rays from Cyg X-3 in its own photon field by the reaction gamma + gamma yields e(+) + e(-) is considered. It is found that gamma rays with an energy around 10 to the 12th eV are attenuated, and the observed flux has to be corrected. Gamma rays with energy greater than...

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Veröffentlicht in:The Astrophysical journal 1984-12, Vol.287 (1), p.338-340
1. Verfasser: Apparao, K. M. V.
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Astrophysics
Earth, ocean, space
Exact sciences and technology
Stellar systems. Galactic and extragalactic objects and systems. The universe
Unidentified sources and radiation outside the solar system
X-ray sources
x-ray bursts
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Zusammenfassung:Absorption of high-energy gamma-rays from Cyg X-3 in its own photon field by the reaction gamma + gamma yields e(+) + e(-) is considered. It is found that gamma rays with an energy around 10 to the 12th eV are attenuated, and the observed flux has to be corrected. Gamma rays with energy greater than 10 to the 15th eV which are observed are not affected by the photon field.
ISSN:0004-637X
1538-4357
DOI:10.1086/162693