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Constraining the PeV Gamma-Ray Emission Zone of Cygnus X-3 with Contemporaneous GeV Timing and Spectral Observations

Cygnus X-3 has recently been established as a variable ultra-high-energy gamma-ray source with photons detected up to 3.7 PeV. Its PeV activity is temporally correlated with Fermi-LAT GeV flares and may also be orbitally modulated, suggesting that the emission is produced within or close to the bina...

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Hlavní autoři: Xing-Fu Zhang, Ruo-Yu Liu, Dmitriy Khangulyan, Cui-Yuan Dai, Xiang-Yu Wang
Médium: Artigo
Jazyk:Inglês
Vydáno: IOP Publishing 2026-01-01
Edice:The Astrophysical Journal Letters
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On-line přístup:https://doi.org/10.3847/2041-8213/ae6a9d
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