Growing evidence for high-energy neutrinos originating in radio blazars

被引：30

作者：

Plavin, A., V ^{[1
]}

Kovalev, Y. Y. ^{[1
,2
,3
]}

Kovalev, Yu A. ^{[1
]}

Troitsky, S., V ^{[4
,5
]}

机构：

[1] Russian Acad Sci, Lebedev Phys Inst, Leninsky Prospekt 53, Moscow 119991, Russia

[2] Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany

[3] Moscow Inst Phys & Technol, Inst Sky Per 9, Dolgoprudnyi 141700, Russia

[4] Russian Acad Sci, Inst Nucl Res, 60th October Anniversary Prospect 7a, Moscow 117312, Russia

[5] Lomonosov Moscow State Univ, Phys Dept, 1-2 Leninskie Gory, Moscow 119991, Russia

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2023年 / 523卷 / 02期

关键词：

neutrinos; galaxies: active; galaxies: jets; quasars: general; radio continuum: galaxies; VLBA CALIBRATOR SURVEY; ACTIVE GALACTIC NUCLEI; PLANE SURVEY; ASTROPHYSICAL NEUTRINOS; RELATIVISTIC JETS; TXS 0506+056; AGN; MULTIWAVELENGTH; ASSOCIATION; RATAN-600;

D O I：

10.1093/mnras/stad1467

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Evidence for bright-radio blazars being high-energy neutrino sources was found in recent years. However, specifics of how and where these particles get produced still need to be determined. In this paper, we add 14 new IceCube events from 2020-2022 to update our analysis of the neutrino-blazars connection. We test and refine earlier findings by utilizing the total of 71 track-like high-energy IceCube events from 2009-2022. We correlate them with the complete sample of 3412 extragalactic radio sources selected by their compact radio emission. We demonstrate that neutrinos are statistically associated with radio-bright blazars with a post-trial p-value of 3 center dot 10(-4). In addition to this statistical study, we confirm previous individual neutrino-blazar associations, find and discuss several new ones. Notably, PKS 1741 - 038 was selected earlier and had a second neutrino detected from its direction in 2022; PKS 0735 + 168 has experienced a major flare across the whole electromagnetic spectrum coincidently with a neutrino arrival from that direction in 2021.

引用

页码：1799 / 1808

页数：10

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