Aller au contenu principal
Accès ouvert déclaré 2026 article

Chasing Gamma-Ray Signals from Binary Neutron Star Coalescences with the Cherenkov Telescope Array: Prospects and Observing Strategies

0Citations signalées — pas une note de qualité
169Institutions déclarées
32Pays d’affiliation déclarés

Résumé fourni par la source

Abstract The detection of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo (GW170817), together with its electromagnetic counterpart, the short gamma-ray burst GRB 170817A, heralded the birth of multimessenger astronomy. The detection of TeV emission from GRBs motivates follow-up observations with the Cherenkov Telescope Array Observatory (CTAO), which is ideal for detecting such signals due to its unprecedented sensitivity, rapid response, and wide-field survey capabilities. The aim of this work is to evaluate GeV–TeV GW follow-up strategies for CTAO using a multistep simulation pipeline and to estimate the expected rate of joint GW–GRB detections during observing run O5. Using a simulated sample of BNS systems with corresponding GW detections, gamma-ray emission is simulated through phenomenological prescriptions based on the observed population of short GRBs, including off-axis jet scenarios. CTAO observations are simulated to account for instrument response, sky tiling strategies, integration times, and varying observing conditions. Strategies with variable and constant integration times are investigated. We find that, via an optimized follow-up strategy, about 5% of simulated GW-associated short GRBs produce GeV–TeV radiation detectable by CTAO. Detectability is strongly influenced by the jet opening angle and viewing angle, suggesting that even rough estimates of the viewing angle in GW alerts could enhance targeting. This framework motivates future follow-ups of GW-detectable events, including neutron star–black hole mergers, and further supports the development of advanced strategies incorporating galaxy distributions and synergies with future detectors such as the Einstein Telescope.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.

Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Chasing Gamma-Ray Signals from Binary Neutron Star Coalescences with the Cherenkov Telescope Array: Prospects and Observing Strategies
Date Crossref
03/06/2026
Éditeur
American Astronomical Society
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude et ne compte pas comme une seconde source scientifique indépendante.

Institutions déclarées

The University of TokyoInstitute of Particle PhysicsUniversity of SienaUniversité Paris-SaclayIron Mountain (United States)University of AlabamaUniversité Côte d'AzurObservatoire de la Côte d’AzurInstitut Polytechnique de ParisUniversitat de BarcelonaInstituto de Astrofísica de AndalucíaIstituto Nazionale di Fisica Nucleare, Sezione di PadovaPontificia Universidad Católica de ChileSorbonne UniversitéLaboratoire MédiationsArcetri Astrophysical ObservatoryIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Naples Federico IIAstronomical Observatory of RomeNational Institute for AstrophysicsUniversidade Federal do Rio Grande do NorteMax Planck Institute for PhysicsUniversidad de La LagunaInstitute of Space SciencesSaha Institute of Nuclear PhysicsAustralian Regenerative Medicine InstituteMonash UniversityUniversidad Complutense de MadridUniversidad del AzuayRuhr University BochumUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of PotsdamUniversity of Nova GoricaConsejo Superior de Investigaciones CientíficasUniversidad Andrés BelloUniversity of the WitwatersrandCenter for Astrophysics Harvard & SmithsonianUniversité de MontpellierBrera Astronomical ObservatoryPidstryhach Institute for Applied Problems of Mechanics and MathematicsIstituto Nazionale di Fisica Nucleare, Roma Tor VergataPolytechnic University of BariInstitute for High Energy PhysicsFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicUniversité Paris Sciences et LettresIstituto Nazionale di Fisica Nucleare, Sezione di PisaUniversity of ZagrebNorth-West UniversityIstituto di Astrofisica Spaziale e Fisica Cosmica di BolognaUniversity of WarsawCTA ObservatoryUniversitat Autònoma de BarcelonaKasetsart UniversityNational Astronomical Research Institute of ThailandAstronomical Observatory of CapodimonteUniversidade Cidade de São PauloInstitute for Space Astrophysics and PlanetologyUniversité Savoie Mont BlancUniversidad Técnica Federico Santa MaríaMax Planck Institute for Nuclear PhysicsAix-Marseille UniversitéUniversité Paris CitéDurham UniversityUniversity of California SystemDublin City UniversityIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinIstituto Nazionale di Fisica Nucleare, Sezione di CataniaUniversity of PalermoUniversidade Federal do ParanáUniversity of OxfordValparaiso UniversityIstituto di Radioastronomia di BolognaDeutsches Elektronen-Synchrotron DESYIstituto di Astrofisica Spaziale e Fisica Cosmica di MilanoInstituto de Geofísica y AstronomíaIstituto Nazionale di Fisica Nucleare, Sezione di TriesteUniversidade de São PauloSpace Engineering UniversityTU Dortmund UniversityUniversity of RijekaUniversity of WürzburgUniversity of TübingenUniversity of ChicagoPontificia Universidad Católica de ValparaísoIstituto Universitario di Studi Superiori di PaviaTaras Shevchenko National University of KyivAstronomical ObservatoryUniversity of UtahRIKENFederal Research and Clinical Center of Physical-Chemical Medicine named after Y.M. LopukhinUniversity of ManitobaWestern Sydney UniversityHiroshima UniversityNagoya UniversityUniversidad San PabloCentro Brasileiro de Pesquisas FísicasOsservatorio Astronomico di PalermoCosmos Corporation (United States)George Washington UniversityARC Centre of Excellence for All-sky AstrophysicsKing's College LondonYamanashi Gakuin UniversityThe University of AdelaideYokohama National UniversityPalacký University OlomoucUniversity of OsijekUniversity of L'AquilaKyushu UniversityChiba UniversityJagiellonian UniversityHeidelberg UniversityUniversité Fédérale de Toulouse Midi-PyrénéesCzech Academy of Sciences, Astronomical InstituteIbaraki UniversityWaseda UniversityUniversität InnsbruckInstitute of Nuclear and Particle PhysicsNational Astronomical Observatory of JapanInstitute of Particle and Nuclear StudiesTokai UniversityUniversity of LeicesterUniversity of CataniaUniversity of TurkuUniversidad de JaénUniversity of GenevaUniversity of AmsterdamInstitute for Nuclear Research and Nuclear EnergyUniversity of CambridgeUniversity of Rome Tor VergataStanford UniversityIPCOS (Netherlands)Nicolaus Copernicus Astronomical CenterFraunhofer Institute for Chemical TechnologyKitasato UniversityYamagata University HospitalInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of BiałystokCharles UniversityGraduate School USAUniversity of PisaTrieste Astronomical ObservatoryOsservatorio Astronomico di PadovaMetropolitan University of Educational SciencesUniversidad Diego PortalesUniversity of ConcepciónUniversity of ŁódźUniversidad Autónoma de MadridGifu UniversityUniversidad de Santiago de ChileNational Academy of Sciences of UkraineMain Astronomical ObservatoryAGH University of KrakowAkademickie Centrum Komputerowe Cyfronet AGHInstitute of AstronomyWarsaw University of TechnologyAoyama Gakuin UniversityInstitute of Space and Astronautical ScienceSaitama UniversitySun Yat-sen UniversityCurtin UniversityPort d'Informació CientíficaUniversidad Nacional Autónoma de MéxicoOsservatorio Astronomico di CagliariFriedrich-Alexander-Universität Erlangen-NürnbergUniversity of GroningenKonan University

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Sujets associés

Gamma-ray bursts and supernovaePulsars and Gravitational Waves ResearchAstrophysics and Cosmic Phenomena

BNTIC News n’est pas le producteur de ces données. Recherche à la demande dans Crossref, OpenAIRE, DOAJ, Europe PMC, HAL, DataCite, ROR et la Banque mondiale, sans clé ; OpenAlex reste optionnel. Aucun service payant requis, aucune donnée externe enregistrée en base. Sources et limites.