FIELD NOTES TOPIC
pev energies
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Aug 17, 2026 LHAASO Identifies First Variable PeV Gamma-ray Source The Large High Altitude Air Shower Observatory (LHAASO) revealed that the peculiar binary system Cygnus X-3 in the constellation Cygnus is the highest energy gamma-ray source known to date. The temporal variability and spectral chara
The Large High Altitude Air Shower Observatory (LHAASO) identified Cygnus X-3 as the highest energy gamma-ray source known to date, with particle energies reaching at least 30 PeV.
