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25 April 2024

» arxiv » 2006.4918

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Optical Observations Reveal Strong Evidence for High Energy Neutrino Progenitor
V. M. Lipunov ; V. G. Kornilov ; K. K. Zhirkov ; E. S. Gorbovskoy ; N.M. Budnev ; D.A.H. Buckley ; R. Rebolo ; M. Serra-Ricart ; R. Podesta ; N. Tyurina ; O. Gress ; Yu. Sergienko ; V. Yurkov ; A. Gabovich ; P. Balanutsa ; I. Gorbunov ; D. Vlasenko ; F. Balakin ; V. Topolev ; A. Pozdnyakov ; A. Kuznetsov ; V. Vladimirov ; A. Chasovnikov ; D. Kuvshinov ; V. Grinshpun ; E. Minkina ; V. B. Petkov ; S. I. Svertilov ; C. Lopez ; F. Podesta ; H. Levato ; A. Tlatov ; B. van Soelen ; S. Razzaque ; M. Böttcher ;
Date:	8 Jun 2020
Abstract:	We present the earliest astronomical observation of a high energy neutrino error box in which its variability was discovered after high-energy neutrinos detection. The one robotic telescope of the MASTER global international network (Lipunov et al. 2010) automatically imaged the error box of the very high-energy neutrino event IceCube-170922A. Observations were carried out in minute after the IceCube-170922A neutrino event was detected by the IceCube observatory at the South Pole. MASTER found the blazar TXS 0506+056 to be in the off-state after one minute and then switched to the on-state no later than two hours after the event. The effect is observed at a 50-sigma significance level. Also we present own unique 16-years light curve of blazar TXS 0506+056 (518 data set).
Source:	arXiv, 2006.4918
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