Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array

Barbara Patricelli; Alessandro Carosi; Lara Nava; Monica Seglar-Arroyo; Fabian Schüssler; Antonio Stamerra; Andrea Adelfio; Halim Ashkar; Andrea Bulgarelli; Tristano Di Girolamo; Ambra Di Piano; Thomas Gasparetto; Jarred Green; Francesco Longo; Ivan Agudo; Alessio Berti; Elisabetta Bissaldi; Giancarlo Cella; Antonio Circiello; Stefano Covino; Giancarlo Ghirlanda; Brian Humensky; Susumu Inoue; Julien Lefaucheur; Miroslav Filipovic; Massimiliano Razzano; Deivid Ribeiro; Olga Sergijenko; Giulia Stratta; Susanna Vergani; The Cherenkov Telescope Array Consortium; S. Dai; N. Maxted; R. Norris; N. Tothill; et al.

doi:10.22323/1.395.0998

Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array

Barbara Patricelli
, Alessandro Carosi
, Lara Nava
, Monica Seglar-Arroyo
, Fabian Schüssler
, Antonio Stamerra
, Andrea Adelfio
, Halim Ashkar
, Andrea Bulgarelli
, Tristano Di Girolamo
, Ambra Di Piano
, Thomas Gasparetto
, Jarred Green
, Francesco Longo
, Ivan Agudo
, Alessio Berti
, Elisabetta Bissaldi
, Giancarlo Cella
, Antonio Circiello
, Stefano Covino

Giancarlo Ghirlanda, Brian Humensky, Susumu Inoue, Julien Lefaucheur, Miroslav Filipovic, Massimiliano Razzano, Deivid Ribeiro, Olga Sergijenko, Giulia Stratta, Susanna Vergani, The Cherenkov Telescope Array Consortium, S. Dai, N. Maxted, R. Norris, N. Tothill, et al.

School of Science

European Gravitational Observatory
Osservatorio Astronomico Roma
University of Geneva
Osservatorio Astronomico di Brera
Université Grenoble Alpes
Université Paris-Saclay
University of Trieste
Istituto di Astrofisica Spaziale e Fisica Cosmica di Bologna
University of Naples Federico II
CSIC - Institute of Astrophysics of Andalusia
National Institute for Nuclear Physics
Polytechnic University of Bari
Columbia University
RIKEN
Université Psl
University of Pisa
Kyiv National Taras Shevchenko University
University of New South Wales
Western Sydney University

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Abstract

The detection of electromagnetic (EM) emission following the gravitational wave (GW) event GW170817 opened the era of multi-messenger astronomy with GWs and provided the first direct evidence that at least a fraction of binary neutron star (BNS) mergers are progenitors of short Gamma-Ray Bursts (GRBs). GRBs are also expected to emit very-high energy (VHE, > 100 GeV) photons, as proven by the recent MAGIC and H.E.S.S. observations. One of the challenges for future multi-messenger observations will be the detection of such VHE emission from GRBs in association with GWs. In the next years, the Cherenkov Telescope Array (CTA) will be a key instrument for the EM follow-up of GW events in the VHE range, owing to its unprecedented sensitivity, rapid response, and capability to monitor a large sky area via scan-mode operation. We present the CTA GW follow-up program, with a focus on the searches for short GRBs possibly associated with BNS mergers. We investigate the possible observational strategies and we outline the prospects for the detection of VHE EM counterparts to transient GW events.

Original language	English
Article number	998
Journal	Proceedings of Science
Volume	395
DOIs	https://doi.org/10.22323/1.395.0998
Publication status	Published - 18 Mar 2022
Event	International Cosmic Ray Conference - Virtual, Berlin, Germany Duration: 12 Jul 2021 → 23 Jul 2021 Conference number: 37th

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Patricelli, B., Carosi, A., Nava, L., Seglar-Arroyo, M., Schüssler, F., Stamerra, A., Adelfio, A., Ashkar, H., Bulgarelli, A., Di Girolamo, T., Di Piano, A., Gasparetto, T., Green, J., Longo, F., Agudo, I., Berti, A., Bissaldi, E., Cella, G., Circiello, A., ... al., E. (2022). Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array. Proceedings of Science, 395, Article 998. https://doi.org/10.22323/1.395.0998

@article{21f5be3ad15b4b7a9f87c143f6a0c040,

title = "Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array",

abstract = "The detection of electromagnetic (EM) emission following the gravitational wave (GW) event GW170817 opened the era of multi-messenger astronomy with GWs and provided the first direct evidence that at least a fraction of binary neutron star (BNS) mergers are progenitors of short Gamma-Ray Bursts (GRBs). GRBs are also expected to emit very-high energy (VHE, > 100 GeV) photons, as proven by the recent MAGIC and H.E.S.S. observations. One of the challenges for future multi-messenger observations will be the detection of such VHE emission from GRBs in association with GWs. In the next years, the Cherenkov Telescope Array (CTA) will be a key instrument for the EM follow-up of GW events in the VHE range, owing to its unprecedented sensitivity, rapid response, and capability to monitor a large sky area via scan-mode operation. We present the CTA GW follow-up program, with a focus on the searches for short GRBs possibly associated with BNS mergers. We investigate the possible observational strategies and we outline the prospects for the detection of VHE EM counterparts to transient GW events.",

author = "Barbara Patricelli and Alessandro Carosi and Lara Nava and Monica Seglar-Arroyo and Fabian Sch{\"u}ssler and Antonio Stamerra and Andrea Adelfio and Halim Ashkar and Andrea Bulgarelli and \{Di Girolamo\}, Tristano and \{Di Piano\}, Ambra and Thomas Gasparetto and Jarred Green and Francesco Longo and Ivan Agudo and Alessio Berti and Elisabetta Bissaldi and Giancarlo Cella and Antonio Circiello and Stefano Covino and Giancarlo Ghirlanda and Brian Humensky and Susumu Inoue and Julien Lefaucheur and Miroslav Filipovic and Massimiliano Razzano and Deivid Ribeiro and Olga Sergijenko and Giulia Stratta and Susanna Vergani and \{The Cherenkov Telescope Array Consortium\} and S. Dai and N. Maxted and R. Norris and N. Tothill and et al.",

year = "2022",

month = mar,

day = "18",

doi = "10.22323/1.395.0998",

language = "English",

volume = "395",

journal = "Proceedings of Science",

issn = "1824-8039",

publisher = "Sissa Medialab Srl",

note = "International Cosmic Ray Conference, ICRC ; Conference date: 12-07-2021 Through 23-07-2021",

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Patricelli, B, Carosi, A, Nava, L, Seglar-Arroyo, M, Schüssler, F, Stamerra, A, Adelfio, A, Ashkar, H, Bulgarelli, A, Di Girolamo, T, Di Piano, A, Gasparetto, T, Green, J, Longo, F, Agudo, I, Berti, A, Bissaldi, E, Cella, G, Circiello, A, Covino, S, Ghirlanda, G, Humensky, B, Inoue, S, Lefaucheur, J, Filipovic, M, Razzano, M, Ribeiro, D, Sergijenko, O, Stratta, G, Vergani, S, The Cherenkov Telescope Array Consortium, Dai, S, Maxted, N, Norris, R, Tothill, N & al., E 2022, 'Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array', Proceedings of Science, vol. 395, 998. https://doi.org/10.22323/1.395.0998

TY - JOUR

T1 - Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array

AU - Patricelli, Barbara

AU - Carosi, Alessandro

AU - Nava, Lara

AU - Seglar-Arroyo, Monica

AU - Schüssler, Fabian

AU - Stamerra, Antonio

AU - Adelfio, Andrea

AU - Ashkar, Halim

AU - Bulgarelli, Andrea

AU - Di Girolamo, Tristano

AU - Di Piano, Ambra

AU - Gasparetto, Thomas

AU - Green, Jarred

AU - Longo, Francesco

AU - Agudo, Ivan

AU - Berti, Alessio

AU - Bissaldi, Elisabetta

AU - Cella, Giancarlo

AU - Circiello, Antonio

AU - Covino, Stefano

AU - Ghirlanda, Giancarlo

AU - Humensky, Brian

AU - Inoue, Susumu

AU - Lefaucheur, Julien

AU - Filipovic, Miroslav

AU - Razzano, Massimiliano

AU - Ribeiro, Deivid

AU - Sergijenko, Olga

AU - Stratta, Giulia

AU - Vergani, Susanna

AU - The Cherenkov Telescope Array Consortium,

AU - Dai, S.

AU - Maxted, N.

AU - Norris, R.

AU - Tothill, N.

AU - al., et

N1 - Conference code: 37th

PY - 2022/3/18

Y1 - 2022/3/18

N2 - The detection of electromagnetic (EM) emission following the gravitational wave (GW) event GW170817 opened the era of multi-messenger astronomy with GWs and provided the first direct evidence that at least a fraction of binary neutron star (BNS) mergers are progenitors of short Gamma-Ray Bursts (GRBs). GRBs are also expected to emit very-high energy (VHE, > 100 GeV) photons, as proven by the recent MAGIC and H.E.S.S. observations. One of the challenges for future multi-messenger observations will be the detection of such VHE emission from GRBs in association with GWs. In the next years, the Cherenkov Telescope Array (CTA) will be a key instrument for the EM follow-up of GW events in the VHE range, owing to its unprecedented sensitivity, rapid response, and capability to monitor a large sky area via scan-mode operation. We present the CTA GW follow-up program, with a focus on the searches for short GRBs possibly associated with BNS mergers. We investigate the possible observational strategies and we outline the prospects for the detection of VHE EM counterparts to transient GW events.

AB - The detection of electromagnetic (EM) emission following the gravitational wave (GW) event GW170817 opened the era of multi-messenger astronomy with GWs and provided the first direct evidence that at least a fraction of binary neutron star (BNS) mergers are progenitors of short Gamma-Ray Bursts (GRBs). GRBs are also expected to emit very-high energy (VHE, > 100 GeV) photons, as proven by the recent MAGIC and H.E.S.S. observations. One of the challenges for future multi-messenger observations will be the detection of such VHE emission from GRBs in association with GWs. In the next years, the Cherenkov Telescope Array (CTA) will be a key instrument for the EM follow-up of GW events in the VHE range, owing to its unprecedented sensitivity, rapid response, and capability to monitor a large sky area via scan-mode operation. We present the CTA GW follow-up program, with a focus on the searches for short GRBs possibly associated with BNS mergers. We investigate the possible observational strategies and we outline the prospects for the detection of VHE EM counterparts to transient GW events.

UR - https://www.scopus.com/pages/publications/85145575514

U2 - 10.22323/1.395.0998

DO - 10.22323/1.395.0998

M3 - Article

AN - SCOPUS:85145575514

SN - 1824-8039

VL - 395

JO - Proceedings of Science

JF - Proceedings of Science

M1 - 998

T2 - International Cosmic Ray Conference

Y2 - 12 July 2021 through 23 July 2021

ER -

Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array

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