Preprint
Evidence for Neutrino Emission from X-ray Bright Active Galactic Nuclei with IceCube
ArXiv.org
15 Oct 2025
Abstract
Recently, IceCube reported neutrino emission from the Seyfert galaxy NGC 1068. Using 13.1 years of IceCube data, we present a follow-up search for neutrino sources in the northern sky. NGC 1068 remains the most significant neutrino source among 110 preselected gamma-ray emitters while also being spatially compatible with the most significant location in the northern sky. Its energy spectrum is characterized by an unbroken power-law with spectral index$γ= 3.4 \pm 0.2$ . Consistent with previous results, the observed neutrino flux exceeds its gamma-ray counterpart by at least two orders of magnitude. Motivated by this disparity and the high X-ray luminosity of the source, we selected 47 X-ray bright Seyfert galaxies from the Swift/BAT spectroscopic survey that were not included in the list of gamma-ray emitters. When testing this collection for neutrino emission, we observe a 3.3 $σ$excess from an ensemble of 11 sources, with NGC 1068 excluded from the sample. Our results strengthen the evidence that X-ray bright cores of active galactic nuclei are neutrino emitters.
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- Title
- Evidence for Neutrino Emission from X-ray Bright Active Galactic Nuclei with IceCube
- Creators
- R AbbasiM AckermannJ AdamsS. K AgarwallaJ. A AguilarM AhlersJ. M AlameddineS AliN. M AminK AndeenC ArgüellesY AshidaS AthanasiadouS. N AxaniR BabuX BaiJ Baines-HolmesA. Balagopal VS. W BarwickS BashV BasuR BayJ. J BeattyJ. Becker TjusP BehrensJ BeiseC BellenghiB BenkelS BenZviD BerleyE BernardiniD. Z BessonE BlaufussL BloomS BlotI BodoF BontempoJ. Y. Book MotzkinC. Boscolo MeneguoloS BöserO BotnerJ BöttcherJ BraunB BrinsonZ Brisson-TsavoussisR. T BurleyD ButterfieldM. A CampanaK CarloniJ CarpioS ChattopadhyayN ChauZ ChenD ChirkinS ChoiB. A ClarkA ColemanP ColemanG. H CollinD. A. Coloma BorjaA ConnollyJ. M ConradD. F CowenC De ClercqJ. J DeLaunayD DelgadoT DelmeulleS DengP DesiatiK. D de VriesG de WasseigeT DeYoungJ. C Díaz-VélezS DiKerbyT DingM DittmerA DomiL DraperL DueserD DurnfordK DuttaM. A DuVernoisT EhrhardtL EidenschinkA EimerP EllerE EllingerD ElsässerR EngelH ErpenbeckW EsmailS EuligJ EvansP. A EvensonK. L FanK FangK FarragA. R FazelyA FedynitchN FeiglC FinleyL FischerD FoxA FranckowiakS FukamiP FürstJ GallagherE GansterA GarciaM GarciaG GargE GentonL GerhardtA GhadimiT GlüsenkampJ. G GonzalezS GoswamiA GranadosD GrantS. J GrayS GriffinS GriswoldK. M GrothD GuevelC GüntherP GutjahrC HaC HaackA HallgrenL HalveF HalzenL HamacherM. Ha MinhM HandtK HansonJ HardinA. A HarnischP HatchA HaungsJ HäußlerK HelbingJ HellrungB HenkeL HennigF HenningsenL HeuermannR HewettN HeyerS HickfordA HidvegiC HillG. C HillR HmaidK. D HoffmanD HooperS HoriK HoshinaM HostertW HouM HrywniakT HuberK HultqvistK HymonA IshiharaW IwakiriM JacquartS JainO JanikM JanssonM JeongM JinN KampD KangW KangX KangA KappesL KardumT KargM KarlA KarleA KatilM KauerJ. L KelleyM KhanalA. Khatee ZathulA KheirandishH KimkuJ KirylukC KleinS. R KleinY KobayashiA KochockiR KoiralaH KolanoskiT KontrimasL KöpkeC KopperD. J KoskinenP KoundalM KowalskiT KozynetsA KravkaN KriegerJ KrishnamoorthiT KrishnanK KruiswijkE KrupczakA KumarE KunN KurahashiN LadC. Lagunas GualdaL. Lallement ArnaudM LamoureuxM. J LarsonF LauberJ. P LazarK. Leonard DeHoltonA LeszczyńskaJ LiaoC LinQ. R LiuY. T LiuM LiubarskaC LoveL LuF LucarelliW LuszczakY LyuM MacdonaldJ MadsenE MagnusY MakinoE ManaoS MancinaA MandI. C MarişS MarkaZ MarkaL MartenI Martinez-SolerR MaruyamaJ MauroF MayhewF McNallyJ. V MeadK MeagherS MechbalA MedinaM MeierY MerckxL MertenJ MitchellL MolchanyS MondalT MontaruliR. W MooreY MoriiA MosbruggerM MoulaiD MousadiE MoyauxT MukherjeeR NaabM NakosU NaumannJ NeckerL NesteM NeumannH NiederhausenM. U NisaK NodaA NoellA NovikovA ObertackeV O'DellA OlivasR OrsoeJ OsbornE O'SullivanV PalusovaH PandyaA ParentiN ParkV ParrishE. N PaudelL PaulC. Pérez de los HerosT PerniceT. C PetersenJ PetersonM PlumA PonténV PoojyamY PopovychM. Prado RodriguezB PriesR Procter-MurphyG. T PrzybylskiL PyrasC RaabJ Rack-HelleisN RadM RavnK RawlinsZ RechavA RehmanI ReistrofferE ResconiS ReuschC. D RhoW RhodeL RiccaB RiedelA RifaieE. J RobertsM RongenA RostedC RottT RuheL RuohanD RyckboschJ SafferD Salazar-GallegosP SampathkumarA SandrockG Sanger-JohnsonM SantanderS SarkarJ SavelbergM ScarneraP SchaileM SchaufelH SchielerS SchindlerL SchlickmannB SchlüterF SchlüterN SchmeisserT SchmidtF. G SchröderL SchumacherS SchwirnS SclafaniD SeckelL SeenM SeikhS SeunarineP. A. Sevle MyhrR ShahS ShefaliN ShimizuB SkrzypekR SnihurJ SoedingreksoA SøgaardD SoldinP SoldinG SommaniC SpannfellnerG. M SpiczakC SpieringJ StachurskaM StamatikosT StanevT StezelbergerT StürwaldT StuttardG. W SullivanI TaboadaS Ter-AntonyanA TerliukA ThakuriM ThiesmeyerW. G ThompsonJ ThwaitesS TilavK TollefsonS ToscanoD TosiA TrettinA. K UpadhyayK UpshawA VaidyanathanN Valtonen-MattilaJ ValverdeJ VandenbrouckeT Van EedenN van EijndhovenL Van RootselaarJ van SantenJ VaraF VarsiM VenugopalM VereeckenS. Vergara CarrascoS VerpoestD VeskeA VijaiJ VillarrealC WalckA WangE. H. S WarrickC WeaverP WeigelA WeindlJ WeldertA. Y WenC WendtJ WerthebachM WeyrauchN WhitehornC. H WiebuschD. R WilliamsL WitthausM WolfG WredeX. W XuJ. P YanezY YaoE YildizciS YoshidaR YoungF YuS YuT YuanA. Zander JurowitzkiA ZegarelliS ZhangZ ZhangP ZhelninP Zilberman
- Publication Details
- ArXiv.org
- Resource Type
- Preprint
- Language
- English
- Academic Unit
- Physics
- Other Identifier
- 991022123473204721