High Energy Neutrinos from Novae

The recently discovered high energy emission from the recurrent nova RS Ophiuchi by Fermi-LAT ($>$ 100 MeV), H.E.S.S. and MAGIC ($>$ 100 GeV), hints towards a possible hadronic origin of this radiation component. From the observed high energy photon flux we derive the expected number of neutrino events that could be detected by present and future neutrino telescopes in the different energy ranges. Preliminary estimates indicate that with the ”next- generation” instrument IceCube-Gen2, the expected number of neutrino detections from Galactic novae, admittedly with large uncertainty, should not exceed 1 event per decade.

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Publication Details

Published
2024-11-20
DOI
https://doi.org/10.22323/1.460.0052
Primary Topic
Astrophysics and Cosmic Phenomena
Type
article
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article

High Energy Neutrinos from Novae

D. Guetta, Yael Hilman
Astrophysics and Cosmic Phenomena
article

High Energy Neutrinos from Novae

D. Guetta, Yael Hilman
article en

Abstract

The recently discovered high energy emission from the recurrent nova RS Ophiuchi by Fermi-LAT ($>$ 100 MeV), H.E.S.S. and MAGIC ($>$ 100 GeV), hints towards a possible hadronic origin of this radiation component. From the observed high energy photon flux we derive the expected number of neutrino events that could be detected by present and future neutrino telescopes in the different energy ranges. Preliminary estimates indicate that with the ”next- generation” instrument IceCube-Gen2, the expected number of neutrino detections from Galactic novae, admittedly with large uncertainty, should not exceed 1 event per decade.

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High Energy Neutrinos from Novae — D. Guetta, Yael Hilman · (2024) | TGRS Research Map | TGRS