Journal article
IceCube Search for Neutrino Emission from X-Ray Bright Seyfert Galaxies
The Astrophysical journal, Vol.988(1), p.141
07/20/2025
DOI: 10.3847/1538-4357/addd05
Abstract
The recent IceCube detection of TeV neutrino emission from the nearby active galaxy NGC 1068 suggests that active galactic nuclei (AGNs) could make a sizable contribution to the diffuse flux of astrophysical neutrinos. The absence of TeV γ-rays from NGC 1068 indicates neutrino production in the vicinity of the supermassive black hole, where the high radiation density leads to γ-ray attenuation. Therefore, any potential neutrino emission from similar sources is not expected to correlate with high-energy γ-rays. Disk-corona models predict neutrino emission from Seyfert galaxies to correlate with keV X-rays because they are tracers of coronal activity. Using through-going track events from the Northern Sky recorded by IceCube between 2011 and 2021, we report results from a search for individual and aggregated neutrino signals from 27 additional Seyfert galaxies that are contained in the Swift's Burst Alert Telescope AGN Spectroscopic Survey. Besides the generic single power law, we evaluate the spectra predicted by the disk-corona model assuming stochastic acceleration parameters that match the measured flux from NGC 1068. Assuming all sources to be intrinsically similar to NGC 1068, our findings constrain the collective neutrino emission from X-ray bright Seyfert galaxies in the northern sky, but, at the same time, show excesses of neutrinos that could be associated with the objects NGC 4151 and CGCG 420-015. These excesses result in a 2.7σ significance with respect to background expectations.
Details
- Title: Subtitle
- IceCube Search for Neutrino Emission from X-Ray Bright Seyfert Galaxies
- Creators
- R. Abbasi - Loyola University ChicagoM. Ackermann - Deutsches Elektronen-Synchrotron DESYJ. Adams - University of CanterburyS. K. Agarwalla - University of Wisconsin–MadisonJ. A. Aguilar - Université Libre de BruxellesM. Ahlers - University of CopenhagenJ M Alameddine - TU Dortmund UniversityN. M. Amin - University of DelawareK. Andeen - Marquette UniversityM. Hostert - Harvard UniversityIceCube Collaboration
- Resource Type
- Journal article
- Publication Details
- The Astrophysical journal, Vol.988(1), p.141
- DOI
- 10.3847/1538-4357/addd05
- ISSN
- 0004-637X
- eISSN
- 1538-4357
- Publisher
- The American Astronomical Society; Bristol
- Number of pages
- 15
- Grant note
- USA-U.S. National Science Foundation-Office of Polar Programs, U.S. National Science Foundation-Physics Division, U.S. National Science Foundation-EPSCoR, U.S. National Science Foundation-Office of Advanced Cyberinfrastructure, Wisconsin Alumni Research FoCenter for High Throughput Computing (CHTC) at the University of Wisconsin-MadisonAdvanced Cyberinfrastructure Coordination Ecosystem: Services & Support (ACCESS)NVIDIA CorporationGoogle Cloud PlatformFWO Odysseus and Big Science programmesBelgian Federal Science Policy Office (Belspo)Germany-Bundesministerium fur Bildung und Forschung (BMBF)Deutsche Forschungsgemeinschaft (DFG)Helmholtz Alliance for Astroparticle Physics (HAP), Initiative and Networking Fund of the Helmholtz AssociationSweden-Swedish Research CouncilSwedish Polar Research SecretariatKnut and Alice Wallenberg FoundationEuropean Union-EGI Advanced Computing for ResearchAustralia-Australian Research CouncilDigital Research Alliance of CanadaDenmark-Villum FondenCarlsberg FoundationEuropean CommissionNew Zealand-Marsden FundSwitzerland-Swiss National Science Foundation (SNSF)
The authors gratefully acknowledge the support from the following agencies and institutions: USA-U.S. National Science Foundation-Office of Polar Programs, U.S. National Science Foundation-Physics Division, U.S. National Science Foundation-EPSCoR, U.S. National Science Foundation-Office of Advanced Cyberinfrastructure, Wisconsin Alumni Research Foundation, Center for High Throughput Computing (CHTC) at the University of Wisconsin-Madison, Open Science Grid (OSG), Partnership to Advance Throughput Computing (PATh), Advanced Cyberinfrastructure Coordination Ecosystem: Services & Support (ACCESS), Frontera Computing Project at the Texas Advanced Computing Center, U.S. Department of Energy-National Energy Research Scientific Computing Center, Particle Astrophysics Research Computing Center at the University of Maryland, Institute for Cyber-Enabled Research at Michigan State University, Astroparticle Physics Computational Facility at Marquette University, NVIDIA Corporation, and Google Cloud Platform; Belgium-Funds for Scientific Research (FRS-FNRS and FWO), FWO Odysseus and Big Science programmes, and Belgian Federal Science Policy Office (Belspo); Germany-Bundesministerium fur Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Helmholtz Alliance for Astroparticle Physics (HAP), Initiative and Networking Fund of the Helmholtz Association, Deutsches Elektronen Synchrotron (DESY), and High Performance Computing cluster of the RWTH Aachen; Sweden-Swedish Research Council, Swedish Polar Research Secretariat, Swedish National Infrastructure for Computing (SNIC), and Knut and Alice Wallenberg Foundation; European Union-EGI Advanced Computing for Research; Australia-Australian Research Council; Canada-Natural Sciences and Engineering Research Council of Canada, Calcul Quebec, Compute Ontario, Canada Foundation for Innovation, WestGrid, and Digital Research Alliance of Canada; Denmark-Villum Fonden, Carlsberg Foundation, and European Commission; New Zealand-Marsden Fund; Japan-Japan Society for Promotion of Science (JSPS) and Institute for Global Prominent Research (IGPR) of Chiba University; Korea-National Research Foundation of Korea (NRF); Switzerland-Swiss National Science Foundation (SNSF).
- Language
- English
- Date published
- 07/20/2025
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984946623602771
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