Tidal disruption events are an excellent probe for supermassive black holes in distant inactive galaxies because they emit bright multi-wavelength flares that last several months to years. AT2019dsg represents the first potential association of neutrino emission with such an explosive event.
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Hayasaki, K. Neutrinos from tidal disruption events. Nat Astron 5, 436–437 (2021). https://doi.org/10.1038/s41550-021-01309-z
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DOI: https://doi.org/10.1038/s41550-021-01309-z
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