Revisiting the Triangulation Method for Pointing to Supernova and Failed Supernova with Neutrinos

Abstract

In view of the advent of large-scale neutrino detectors such as IceCube, the future Hyper-Kamiokande and the ones proposed for the Laguna project in Europe, we re-examine the determination of the directional position of a Galactic supernova by means of its neutrinos using the triangulation method. We study the dependence of the pointing accuracy on the arrival time resolution of supernova neutrinos at different detectors. For a failed supernova, we expect better results due to the abrupt termination of the neutrino emission which allows one to measure the arrival time with higher precision. We found that for the time resolution of $\pm$ 2 (4) ms, the supernova can be located with a precision of $\sim$ 5 (10)${}^{\circ }$ on the declination and of $\sim$ 8 (15)${}^{\circ }$ on the right ascension angle, if we combine the observations from detectors at four different sites.

Version accepted for publication in Physical Review D with 7 pages and 5 figures

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• The Search for Failed Supernovae with The Large Binocular Telescope: First Candidates
• Observing Gravitational Waves from Core-Collapse Supernovae in the Advanced Detector Era
• SNEWS 2.0: A Next-Generation SuperNova Early Warning System for Multi-messenger Astronomy
• Supernova Neutrino Neutrino Astronomy
• Timing the Neutrino Signal of a Galactic Supernova
• Triangulation Pointing to Core-Collapse Supernovae with Next-Generation Neutrino Detectors
• Red Supergiant Candidates for Multimessenger Monitoring of the Next Galactic Supernova
• Improved Detection of Supernovae with the IceCube Observatory
• Combining neutrino experimental light-curves for pointing to the next Galactic Core-Collapse Supernova
• Exploiting stellar explosion induced by the QCD phase transition in large-scale neutrino detectors
• Neutrino Echos following Black Hole Formation in Core-Collapse Supernovae
• Timing and Multi-Channel: Novel Method for Determining the Neutrino Mass Ordering from Supernovae
• Triangulating Black Hole Forming Stellar Collapses through Neutrinos