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H.E.S.S. realtime follow-ups of IceCube high-energy neutrino alerts
Federica Bradascio, Felix Aharonian, Faical Ait-Benkhali, Jann Aschersleben, Michael Backes, V. Barbosa Martins, Rowan William Batzofin, Yvonne Becherini, David Berge, Konrad Bernloehr, Markus Boettcher, C. Boisson, J. Bolmont, Mathieu Bony, Benedetta Bruno, T. Bulik, C. Burger-Scheidlin, S. Casanova, Rahul Cecil, Jelena Celic, M. Cerruti, Tej Bahadur Chand, S. Chandra, A. Chen, James O. Chibueze, Ogochukwu Chibueze, Garret Cotter, J. Damascene Mbarubucyeye, I. D. Davids, Anton Dmytriiev, Victor Doroshenko, K. Egberts, Jean-Pierre ERNENWEIN, S. Fegan, G. Fontaine, Matthias Fuessling, S. Funk, Stefano Gabici, Shahede Ghafourizadeh, Gianluca Giavitto, D. Glawion, J. F. Glicenstein, G. Grolleron, T. L. Holch, Markus Holler, M. Jamrozy, F. Jankowsky, Vikas Joshi, E. Kasai, K. Katarzyński, Rukaiya Khatoon, B. Khélifi, Nu. Komin, K. Kosack, D. Kostunin, Rodrigo Guedes Lang, S. Le Stum, Franziska Leitl, A. Lemière, J.-P. Lenain, Fabian Leuschner, Jonathan Mackey, D. Malyshev, V. Marandon, Peter David Marinos, R. Marx, Abhay Mehta, Alison Mitchell, R. Moderski, L. Mohrmann, Alessandro Montanari, T. Murach, M. de Naurois, J. Niemiec, Paul O'Brien, Stefan Ohm, Laura Olivera-Nieto, E. de Oña Wilhelmi, M. Ostrowski, Sebastian Panny, Michael Panter, G. Peron, Д. А. Прохоров, Gerd PUEHLHOFER, A. Quirrenbach, Maxime Regeard, Olaf Reimer, M. Renaud, Frank Rieger, B. Rudak, V. Sahakian, H. Salzmann, Manami Sasaki, J. N. S. Shapopi, Andreas Specovius, S. Spencer, S. Steinmassl, Constantin Steppa, Katrin Streil, Tadayuki Takahashi, Takaaki Tanaka, Charles Thorpe-Morgan, Christopher van Eldik, M. Vecchi, J. Veh, Tina Wach, R. White, D. Zargaryan, A. A. Zdziarski, Andreas Zech, Natalia Żywucka, Markus Ackermann, Jenni Adams, Sanjib Kumar Agarwalla, Juanan Aguilar, M. Ahlers, Jean-Marco Alameddine, Najia Moureen Binte Amin, K. Andeen, G. Anton, C. Argüelles, Yosuke Ashida, Sofia Athanasiadou, Spencer Axani, X. Bai, Aswathi Balagopal, Moreno Baricevic, S. W. Barwick, Vedant Basu, Ryan Bay, J. J. Beatty, J. Becker Tjus, Jakob Beise, Chiara Bellenghi, Charlotte Benning, S. BenZvi, David Berley, E. Bernardini, D. Besson, E. Blaufuss, Summer Blot, Federico Bontempo, Julia Book, Caterina Boscolo Meneguolo, Sebastian BOSER, O. Botner, J. Böttcher, Etienne Bourbeau, Jim Braun, Bennett Brinson, Jannes Brostean-Kaiser, R. T. Burley, Raffaela Busse, Delaney Butterfield, Michael G. Campana, Kiara Carloni, Erin Carnie-Bronca, Sharmistha Chattopadhyay, Thien Nhan Chau, Chujie Chen, Zheyang Chen, D. Chirkin, Seowon Choi, Brian Clark, Lew Classen, Alan Coleman, Gabriel Collin, A. Connolly, J. M. Conrad, Paul Coppin, Pablo Correa, D. F. Cowen, Pranav Dave, C. De Clercq, James DeLaunay, Diyaselis Delgado Lopez, Shuyang Deng, Kunal Deoskar, Abhishek Desai, P. Desiati, K. D. de Vries, G. de Wasseige, T. DeYoung, Alejandro Díaz, J. C. Díaz–Vélez, Markus Dittmer, Alba Domi, Hrvoje Dujmović, M. A. DuVernois, Thomas Ehrhardt, P. Eller, Enrico Ellinger, Sharif El Mentawi, Dominik Elsässer, Ralph Engel, Hannah Erpenbeck, John Evans, P. A. Evenson, Kwok Lung Fan, Ke Fang, Kareem Ramadan Farrag, A. R. Fazely, Anatoli Fedynitch, Nora Feigl, Sebastian Fiedlschuster, C. Finley, Leander Fischer, D. B. Fox, A. Franckowiak, Alexander Fritz, Philipp Fürst, Jay Gallagher, Erik Ganster, Alfonso Garcia, L. Gerhardt, Christian Gläser, Theo Glauch, Thorsten Glusenkamp, Noah Goehlke, J. G. González, Sreetama Goswami, Darren Grant, Shannon Gray, Oliver Gries, Sean Griffin, Spencer Griswold, Kathrine Mørch Groth, Christoph Günther, Pascal Gutjahr, Christian Haack, A. Hallgren, R. Halliday, L. Halve, F. Halzen, H. Hamdaoui, Martin Ha Minh, K. Hanson, John Hardin, Alexander Harnisch, Patrick Hatch, A. Haungs, K. Helbing, Jonas Hellrung, Felix Henningsen, Lars Philipp Heuermann, Nils Heyer, Stephanie Hickford, Attila Hidvégi, Colton Hill, G. C. Hill, Kara Hoffman, Sam Hori, Kotoyo Hoshina, Wenjie Hou, Thomas S. Huber, K. Hultqvist, Mirco Hünnefeld, Raamis Hussain, Karolin Hymon, Seongjin In, A. Ishihara, Marc Jacquart, Oliver Janik, Matti Jansson, G. S. Japaridze, Minjin Jeong, Miaochen Jin, Ben Jones, Woosik Kang, Xinyue Kang, A. Kappes, David Kappesser, Leonora Kardum, T. Karg, Martina Karl, A. Karle, U. Katz, M. Kauer, J. L. Kelley, Arifa Khatee Zathul, Ali Kheirandish, Joanna Kiryluk, Alina Kochocki, Ramesh Koirala, H. Kolanoski, Tomas Kontrimas, L. Köpke, Claudio Kopper, D. J. Koskinen, Paras Koundal, Michael Kovacevich, M. Kowalski, Tetiana Kozynets, Krishnamoorthi Jayakumar, Karlijn Kruiswijk, Emmett Krupczak, Anil Kumar, Emma Kun, Naoko Kurahashi Neilson, Neha Navnitkumar Lad, Cristina Lagunas Gualda, M. Lamoureux, M. J. Larson, Silvia Latseva, Frederik Hermann Lauber, Jeffrey Lazar, Jiwoong Lee, Kayla Leonard DeHolton, Agnieszka Leszczyńska, Massimiliano Lincetto, Qinrui Liu, Maria Liubarska, Elisa Lohfink, Christina Love, Cristian Jesús Lozano Mariscal, L. Lu, Francesco Lucarelli, William Luszczak, Yang Lyu, Jim Madsen, Kendall Mahn, Yuya Makino, Elena Manao, Sarah Mancina, Wenceslas Marie Sainte, Ioana Codrina Maris, Szabolcs Márka, Z. Márka, Matthew Marsee, Ivan Martínez-Soler, R. Maruyama, Finn Mayhew, Thomas McElroy, Frank McNally, J. V. Mead, K. Meagher, Sarah Mechbal, Andrés Medina, Maximilian Meier, Yarno Merckx, Lukas Merten, Jessie Micallef, Justin Mitchell, T. Montaruli, R. W. Moore, Yasutsugu Morii, Bob Morse, Marjon Moulai, Tista Mukherjee, Richard Naab, R. Nagai, Maxwell Nakos, Uwe Naumann, Jannis Necker, Akshima Negi, Miriam Neumann, Hans Niederhausen, M. U. Nisa, Alexander S. Novikov, Sarah Nowicki, A. Obertacke Pollmann, Vivian O'Dell, Marie Oehler, Bob Oeyen, Alex Olivas, Rasmus Ørsøe, Jesse Osborn, Erin O’Sullivan, Hershal Pandya, Nahee Park, Grant Parker, Ek Narayan Paudel, Larissa Paul, C. Pérez de los Heros, Josh Peterson, Saskia Philippen, A. Pizzuto, M. Plum, Axel Ponten, Yuriy Popovych, Maria Prado Rodriguez, Brandon Pries, Rachel Procter-Murphy, G. T. Przybylski, Christoph Raab, John Rack-Helleis, Katherine Rawlins, Zoë Rechav, Abdul Rehman, Patrick Reichherzer, Giovanni Renzi, E. Resconi, Simeon Reusch, W. Rhode, Benedikt Riedel, Adam Rifaie, Ella Roberts, Sally Robertson, Steven T. Rodan, Gerrit Roellinghoff, Martin Rongen, C. Rott, Tim Ruhe, Li Ruohan, D. Ryckbosch, I. Safa, Julian Saffer, Daniel Salazar-Gallegos, Pranav Sampathkumar, Sebastian Sanchez Herrera, Alexander Sandrock, M. Santander, Sourav Sarkar, S. Sarkar, Joelle Savelberg, Pierpaolo Savina, Merlin Schaufel, H. Schieler, Sebastian Schindler, Lea Schlickmann, Berit Schlüter, Felix Schlüter, Nick Schmeisser, Torsten Schmidt, Judith Schneider, Frank Schröder, L. Schumacher, Georg Schwefer, D. Seckel, Mohammad Ful Hossain Seikh, S. Seunarine, Riya Shah, Ankur Sharma, S. Shefali, Nobuhiro Shimizu, Manuel Silva, Barbara Skrzypek, Ben Smithers, Robert Snihur, Jan Soedingrekso, A. Søgaard, Dennis Soldin, Philipp Soldin, Giacomo Sommani, Christian Spannfellner, G. M. Spiczak, Christian Spiering, M. Stamatikos, Todor Stanev, T. Stezelberger, Timo Stürwald, Thomas Stuttard, G. W. Sullivan, I. Taboada, Samvel Ter-Antonyan, Matthias Thiesmeyer, Will Thompson, Jessie Thwaites, Serap Tilav, Kirsten Tollefson, Christoph Tönnis, S. Toscano, Delia Tosi, Alexander Trettin, C. F. Tung, Roxanne Turcotte, Jean Pierre Twagirayezu, Bunheng Ty, Martin Unland Elorrieta, Anuj Kumar Upadhyay, Karriem Upshaw, Nora Valtonen-Mattila, Justin Vandenbroucke, N. van Eijndhoven, D. Vannerom, Jakob van Santen, Javi Vara, Joshua Veitch-Michaelis, Megha Venugopal, Matthias Vereecken, Stef Verpoest, Doğa Veske, Aishwarya Vijai, C. Walck, Chris Weaver, Philip Weigel, Andreas Weindl, Jan Weldert, Chris Wendt, Johannes Werthebach, Mark Weyrauch, N. Whitehorn, C. H. Wiebusch, Nathan Willey, Dawn Williams, Lucas Witthaus, Annika Wolf, Martin Wolf, Gerrit Wrede, Xianwu Xu, Juan Pablo Yáñez, Emre Burak Yildizci, S. Yoshida, Robert Young, Felix J. Yu, Shiqi Yu, Zelong Zhang, Pavel Zhelnin, Melany Zimmerman, Halim Ashkar, Jowita Borowska, Enzo Oukacha, F. Schüßler, Hiromasa Suzuki, A. Wierzcholska
Bibliographic record
Venuenot available
Typearticle
Languageen
FieldPhysics and Astronomy
TopicAstrophysics and Cosmic Phenomena
Canadian institutionsQueen's UniversityUniversity of Alberta
FundersInstitut National de Physique Nucléaire et de Physique des ParticulesJapan Society for the Promotion of ScienceOffice of Experimental Program to Stimulate Competitive ResearchAustralian Research CouncilNational Commission on Research, Science and TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesCentre National de la Recherche ScientifiqueAustrian Science FundBundesministerium für Bildung und ForschungMax-Planck-GesellschaftScience and Technology Facilities CouncilNational Research FoundationBundesministerium für Bildung, Wissenschaft und ForschungUniversity of Wisconsin-MadisonIrish Research CouncilEGI FederationUniversity of NamibiaDepartment of Science and Innovation, South AfricaOffice of Polar ProgramsUniversiteit van AmsterdamScience Foundation IrelandNational Science Foundation
KeywordsNeutrinoPhysicsBlazarNeutrino detectorCoincidenceEvent (particle physics)Energy (signal processing)AstrophysicsParticle physicsGamma rayNeutrino oscillationMedicine
Abstract
The evidence for multi-messenger photon and neutrino emission from the blazar TXS 0506+056 has demonstrated the importance of realtime follow-up of neutrino events by various ground- and space-based facilities. The effort of H.E.S.S. and other experiments in coordinating observations to obtain quasi-simultaneous multiwavelength flux and spectrum measurements has been critical in measuring the chance coincidence with the high-energy neutrino event IC-170922A and constraining theoretical models. For about a decade, the H.E.S.S. transient program has included a search for gamma-ray emission associated with high-energy neutrino alerts, looking for gamma-ray activity from known sources and newly detected emitters consistent with the neutrino location. In this contribution, we present an overview of follow-up activities for realtime neutrino alerts with H.E.S.S. in 2021 and 2022. Our analysis includes both public IceCube neutrino alerts and alerts exchanged as part of a joint H.E.S.S.--IceCube program. We focus on interesting coincidences observed with gamma-ray sources, particularly highlighting the significant detection of PKS 0625-35, an AGN previously detected by H.E.S.S., and three IceCube neutrinos.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.007
Threshold uncertainty score0.015
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
Opus teacher head0.009
GPT teacher head0.209
Teacher spread0.200 · how far apart the two teachers sit on this one work
Validation status
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".
Quick stats
Citations1
Published2023
Admission routes1
Has abstractyes