Probing Neutrino Production in Blazars by Millimeter VLBI-Reference-Cited by-同舟云学术

Probing Neutrino Production in Blazars by Millimeter VLBI

Published:2023-07-10 Issue:4 Volume:11 Page:84
ISSN:2075-4434
Container-title:Galaxies
language:en
Short-container-title:Galaxies

Author:

Kovalev Yuri Y.¹²^ORCID,Plavin Alexander V.³^ORCID,Pushkarev Alexander B.³⁴^ORCID,Troitsky Sergey V.⁵⁶^ORCID

Affiliation:

1. Max–Planck–Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany

2. Black Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USA

3. Lebedev Physical Institute of the Russian Academy of Sciences, Leninsky Prospekt 53, 119991 Moscow, Russia

4. Crimean Astrophysical Observatory, Crimea, 298409 Nauchny, Russia

5. Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Anniversary Prospect 7a, 117312 Moscow, Russia

6. Faculty of Physics, M.V. Lomonosov Moscow State University, 1-2 Leninskie Gory, 119991 Moscow, Russia

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.

Funder

Gordon and Betty Moore Foundation

Publisher

MDPI AG

Subject

Astronomy and Astrophysics

Link

https://www.mdpi.com/2075-4434/11/4/84/pdf

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