Ultrahigh-energy gamma-ray emission from the Geminga pulsar |
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| Authors: | Yu I Neshpor A A Stepanyan Yu L Zyskin O R Kalekin V P Fomin N N Chalenko V G Shitov |
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| Institution: | (1) Crimean Astrophysical Observatory, National Academy of Sciences of Ukraine, p/o Nauchnyi, Crimea, 334413, Ukraine |
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| Abstract: | In 1996–1997, the Geminga pulsar was observed at the Crimean Astrophysical Observatory with a ground-based gamma-ray telescope. An analysis of the observational data suggests that this object is a source of ultrahigh-energy gamma rays. An analysis of the temporal distribution of gamma-ray photons by an epoch-folding technique reveals a periodicity in the gamma-ray emission with a period of 0.237 s. |
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| Keywords: | pulsars ground-based gamma-ray astronomy gamma-ray photons |
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