The Identification of a Likely Source of High Energy Cosmic Rays Prompted by the Astrophysical Neutrino IceCube-170922A

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  • 宇宙ニュートリノIceCube-170922Aが拓いた高エネルギー宇宙線起源天体の同定への道
  • ウチュウ ニュートリノ IceCube-170922A ガ ヒライタ コウエネルギー ウチュウセン キゲン テンタイ ノ ドウテイ エ ノ ミチ

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Abstract

<p>IceCube Neutrino Observatory has launched the program of a realtime analysis framework to enable rapid follow-up observations. A～290 TeV neutrino event identified by this framework on September 22 2017 prompted various follow-up observations which revealed that this neutrino is suggested to originate in the flaring γ-ray blazar TXS0506+056 at the statistical significance of ～3σ level. This is a first identification of a likely source accelerating cosmic rays to at least several PeV. We describe how we have made these observations with IceCube Observatory in a multiwavelength follow-up campaign.</p>

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  • Butsuri

    Butsuri 74 (4), 215-221, 2019-04-05

    The Physical Society of Japan

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