Supermassive black holes at the hearts of active galaxies may be churning out a lot of the universe’s high-energy neutrinos.
“I would say that they can be the major contributor,” says astronomer Andrii Neronov of the Astroparticle and Cosmology Laboratory in Paris, who is a coauthor of the study in. “I would put a reasonable bet on them now with the information that I know.” “It is exciting to see active galactic nuclei emerging as a class of neutrino sources, especially the ones obscured by a surrounding layer of dust and gas as a source of high-energy neutrinos,” says astrophysicist Sreetama Goswami of the University of Nevada at Las Vegas, and a coauthor on the new results in the June 10 arXiv.
“I think that dense cores, not jets, produce neutrinos,” says Francis Halzen, principal investigator of IceCube and a coauthor on the June 10 arXiv.org paper. “These can be in Seyferts, flat-spectrum radio quasars , or anything else with an obscured black hole.”
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