Supernova Neutrino Neutrino Astronomy
Vedran Brdar, Manfred Lindner, Xun-Jie Xu (MPIK Heidelberg)

TL;DR
This paper assesses the potential of neutrino detection and triangulation methods to accurately locate a supernova in our galaxy, considering different core-collapse outcomes and detector configurations.
Contribution
It provides a detailed analysis of neutrino triangulation accuracy for supernova localization, incorporating current and future detector capabilities and different collapse scenarios.
Findings
Neutrino triangulation can localize supernovae within a few degrees.
Black hole formation scenarios allow for sub-degree localization precision.
Neutron star formation scenarios achieve about 1.5 to 3.5 degrees accuracy.
Abstract
Modern neutrino facilities will be able to detect a large number of neutrinos from the next Galactic supernova. We investigate the viability of the triangulation method to locate a core-collapse supernova by employing the neutrino arrival time differences at various detectors. We perform detailed numerical fits in order to determine the uncertainties of these time differences for the cases when the core collapses into a neutron star or a black hole. We provide a global picture by combining all the relevant current and future neutrino detectors. Our findings indicate that in the scenario of a neutron star formation, supernova can be located with precision of 1.5 and 3.5 degrees in declination and right ascension, respectively. For the black hole scenario, sub-degree precision can be reached.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Neutrino Physics Research · Particle physics theoretical and experimental studies
