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dc.contributor.authorGiommi, P.
dc.contributor.authorPadovani, P.
dc.contributor.authorOikonomou, Foteini
dc.contributor.authorGlauch, T.
dc.contributor.authorPaiano, S.
dc.contributor.authorResconi, E.
dc.date.accessioned2021-09-09T08:15:13Z
dc.date.available2021-09-09T08:15:13Z
dc.date.created2021-01-04T16:55:52Z
dc.date.issued2020
dc.identifier.citationAstronomy and Astrophysics (A & A). 2020, 640 .en_US
dc.identifier.issn0004-6361
dc.identifier.urihttps://hdl.handle.net/11250/2774834
dc.description.abstractThe uncertainty region of the highly energetic neutrino IceCube200107A includes 3HSP J095507.9+355101 (z = 0.557), an extreme blazar, which was detected in a high, very hard, and variable X-ray state shortly after the neutrino arrival. Following a detailed multiwavelength investigation, we confirm that the source is a genuine BL Lac. This new detection differs from TXS 0506+056, which is thus far the first source associated with IceCube neutrinos, and is considered a “masquerading” BL Lac. As in the case of TXS 0506+056, 3HSP J095507.9+355101 is also way off the so-called blazar sequence. We consider 3HSP J095507.9+355101 a possible counterpart to the IceCube neutrino. Finally, we discuss some theoretical implications in terms of neutrino production.en_US
dc.language.isoengen_US
dc.publisherEDP Sciencesen_US
dc.title3HSP J095507.9+355101: A flaring extreme blazar coincident in space and time with IceCube-200107Aen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.source.pagenumber0en_US
dc.source.volume640en_US
dc.source.journalAstronomy and Astrophysics (A & A)en_US
dc.identifier.doi10.1051/0004-6361/202038423
dc.identifier.cristin1865131
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2


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