Probing Neutrino Production in Blazars by Millimeter VLBI

IF 3.2 Q2 ASTRONOMY & ASTROPHYSICS
Galaxies Pub Date : 2023-07-05 DOI:10.3390/galaxies11040084
Y. Kovalev, A. Plavin, A. Pushkarev, S. Troitsky
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引用次数: 1

Abstract

The advancement of neutrino observatories has sparked a surge in multi-messenger astronomy. Multiple neutrino associations among blazars are reported while neutrino production sites are located within their central (sub)parsecs. Yet, many questions remain on the nature of those processes. The next generation Event Horizon Telescope (ngEHT) is uniquely positioned for these studies, as its high frequency and resolution can probe both the accretion disk region and the parsec-scale jet. This opens up new opportunities for connecting the two regions and unraveling the proton acceleration and neutrino production in blazars. We outline observational strategies for ngEHT and highlight what it can contribute to the multi-messenger study of blazars.
用毫米VLBI探测Blazars中中微子的产生
中微子观测站的发展引发了多信使天文学的激增。据报道,blazars之间存在多个中微子关联,而中微子产生地点位于其中心(亚)秒差距内。然而,这些进程的性质仍然存在许多问题。下一代事件视界望远镜(ngEHT)在这些研究中处于独特的位置,因为它的高频率和高分辨率可以探测吸积盘区域和秒差距尺度的喷流。这为连接这两个区域以及解开blazars的质子加速和中微子产生开辟了新的机会。我们概述了ngEHT的观察策略,并强调了它对blazars多信使研究的贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Galaxies
Galaxies Physics and Astronomy-Astronomy and Astrophysics
CiteScore
4.90
自引率
12.00%
发文量
100
审稿时长
11 weeks
期刊介绍: Es una revista internacional de acceso abierto revisada por pares que proporciona un foro avanzado para estudios relacionados con astronomía, astrofísica y cosmología. Areas temáticas Astronomía Astrofísica Cosmología Astronomía observacional: radio, infrarrojo, óptico, rayos X, neutrino, etc. Ciencia planetaria Equipos y tecnologías de astronomía. Ingeniería Aeroespacial Análisis de datos astronómicos. Astroquímica y Astrobiología. Arqueoastronomía Historia de la astronomía y cosmología. Problemas filosóficos en cosmología.
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