Journal
ASTROPHYSICAL JOURNAL
Volume 906, Issue 1, Pages -Publisher
IOP Publishing Ltd
DOI: 10.3847/1538-4357/abcaa4
Keywords
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Categories
Funding
- National Science Foundation [PHY-1708146, PHY-1806854]
- Institute for Gravitation and the Cosmos of the Pennsylvania State University
- Eberly College of Science at the Pennsylvania State University
- US National Science Foundation (NSF)
- US Department of Energy Office of High-Energy Physics
- Laboratory Directed Research and Development (LDRD) program of Los Alamos National Laboratory
- Consejo Nacional de Ciencia y Tecnologia (CONACyT), Mexico [271051, 232656, 260378, 179588, 254964, 258865, 243290, 132197, A1-S-46288, A1S-22784, catedras 873, 1563, 323]
- DGAPA-UNAM [IG101320, IN111315, IN111716-3, IN111419, IA102019, IN112218]
- VIEP-BUAP
- University of Wisconsin Alumni Research Foundation
- Red HAWC, Mexico
- PIFI 2012
- PIFI 2013
- PROFOCIE 2014
- PROFOCIE 2015
- Institute of Geophysics, Planetary Physics, and Signatures at Los Alamos National Laboratory
- Polish Science Centre [DEC-2017/27/B/ST9/02272]
- Coordinacion de la Investigacion Cientifica de la Universidad Michoacana
- Royal Society-Newton Advanced Fellowship [180385]
- Generalitat Valenciana [CIDEGENT/2018/034]
- Chulalongkorn University's CUniverse (CUAASC) grant
- USA-US National Science Foundation Office of Polar Programs
- US National Science Foundation Physics Division
- Wisconsin Alumni Research Foundation
- Center for High Throughput Computing (CHTC) at the University of Wisconsin-Madison
- Open Science Grid (OSG)
- Extreme Science and Engineering Discovery Environment (XSEDE)
- US 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
- Belgium-Funds for Scientific Research (FRS-FNRS)
- Belgium-Funds for Scientific Research (FWO)
- FWO Odysseus and Big Science programs
- Belgian Federal Science Policy Office (Belspo)
- Germany-Bundesministerium fur Bildung und Forschung (BMBF)
- Germany-Deutsche Forschungsgemeinschaft (DFG)
- Germany-Helmholtz Alliance for Astroparticle Physics (HAP)
- Germany-Initiative and Networking Fund of the Helmholtz Association
- Germany-Deutsches Elektronen Synchrotron (DESY)
- Germany-High Performance Computing Cluster of the RWTH Aachen
- Sweden-Swedish Research Council
- Sweden-Swedish Polar Research Secretariat
- Sweden-Swedish National Infrastructure for Computing (SNIC)
- Sweden-Knut and Alice Wallenberg Foundation
- Australia-Australian Research Council
- Canada -Natural Sciences and Engineering Research Council of Canada
- Canada -Calcul Quebec
- Canada -Compute Ontario
- Canada -Canada Foundation for Innovation
- Canada -WestGrid
- Canada -Compute Canada
- Denmark-Villum Fonden
- Denmark-Danish National Research Foundation (DNRF)
- Denmark-Carlsberg Foundation
- New Zealand-Marsden Fund
- Japan-Japan Society for Promotion of Science (JSPS)
- Japan-Institute for Global Prominent Research (IGPR) of Chiba University
- Korea-National Research Foundation of Korea (NRF)
- Switzerland-Swiss National Science Foundation (SNSF)
- United Kingdom-Department of Physics, University of Oxford
Ask authors/readers for more resources
The HAWC and IceCube observatories have developed a multimessenger joint search for extragalactic astrophysical sources through the AMON framework. Results from archival data collected between 2015 and 2018 show two coincident events with a false-alarm rate of <1 coincidence yr(-1). Real-time implementation of the analysis began in 2019 and issues alerts with an FAR threshold of <4 coincidences yr(-1) through the Gamma-ray Coordinates Network.
The High Altitude Water Cerenkov (HAWC) and IceCube observatories, through the Astrophysical Multimessenger Observatory Network (AMON) framework, have developed a multimessenger joint search for extragalactic astrophysical sources. This analysis looks for sources that emit both cosmic neutrinos and gamma rays that are produced in photohadronic or hadronic interactions. The AMON system is running continuously, receiving subthreshold data (i.e., data that are not suited on their own to do astrophysical searches) from HAWC and IceCube, and combining them in real time. Here we present the analysis algorithm, as well as results from archival data collected between 2015 June and 2018 August, with a total live time of 3.0 yr. During this period we found two coincident events that have a false-alarm rate (FAR) of <1 coincidence yr(-1), consistent with the background expectations. The real-time implementation of the analysis in the AMON system began on 2019 November 20 and issues alerts to the community through the Gamma-ray Coordinates Network with an FAR threshold of <4 coincidences yr(-1).
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