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Chasing Gravitational Waves with the Cherenkov Telescope Array

Green, J.G. ; Carlile, C. LU and Dravins, D. LU orcid (2024)
Abstract
The detection of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo (GW170817), along with the discovery of the electromagnetic counterparts of this GW event, ushered in a new era of multimessenger astronomy, providing the first direct evidence that BNS mergers are progenitors of short gamma-ray bursts (GRBs). Such events may also produce very-high-energy (VHE, > 100GeV) photons which have yet to be detected in coincidence with a GW signal. The Cherenkov Telescope Array (CTA) is a next-generation VHE observatory which aims to be indispensable in this search, with an unparalleled sensitivity and ability to slew anywhere on the sky within a few tens of seconds. Achieving such a feat will... (More)
The detection of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo (GW170817), along with the discovery of the electromagnetic counterparts of this GW event, ushered in a new era of multimessenger astronomy, providing the first direct evidence that BNS mergers are progenitors of short gamma-ray bursts (GRBs). Such events may also produce very-high-energy (VHE, > 100GeV) photons which have yet to be detected in coincidence with a GW signal. The Cherenkov Telescope Array (CTA) is a next-generation VHE observatory which aims to be indispensable in this search, with an unparalleled sensitivity and ability to slew anywhere on the sky within a few tens of seconds. Achieving such a feat will require a comprehensive real-time strategy capable of coordinating searches over potentially very large regions of the sky. This work will evaluate and provide estimations on the number of GW-CTA events determined from simulated BNS systems and short GRBs, considering both on- and off-axis emission. In addition, we will present and discuss the prospects of potential follow-up strategies with CTA. © Copyright owned by the author(s) under the terms of the Creative Commons. (Less)
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keywords
Cerenkov counters, Cosmic ray detectors, Cosmology, Gravitational effects, Photons, Stars, Binary neutron stars, Cherenkov telescope arrays, Electromagnetics, Energy Observatory, Gamma rays bursts, Gravitational-wave signals, Gravitational-waves, Large regions, Real time strategies, Very high energies, Telescopes
external identifiers
  • scopus:85212266646
DOI
10.22323/1.444.1534
language
English
LU publication?
yes
id
b0e6e4c0-2f8a-40d4-bef3-968360c54126
date added to LUP
2025-12-01 11:56:56
date last changed
2025-12-01 11:57:53
@misc{b0e6e4c0-2f8a-40d4-bef3-968360c54126,
  abstract     = {{The detection of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo (GW170817), along with the discovery of the electromagnetic counterparts of this GW event, ushered in a new era of multimessenger astronomy, providing the first direct evidence that BNS mergers are progenitors of short gamma-ray bursts (GRBs). Such events may also produce very-high-energy (VHE, > 100GeV) photons which have yet to be detected in coincidence with a GW signal. The Cherenkov Telescope Array (CTA) is a next-generation VHE observatory which aims to be indispensable in this search, with an unparalleled sensitivity and ability to slew anywhere on the sky within a few tens of seconds. Achieving such a feat will require a comprehensive real-time strategy capable of coordinating searches over potentially very large regions of the sky. This work will evaluate and provide estimations on the number of GW-CTA events determined from simulated BNS systems and short GRBs, considering both on- and off-axis emission. In addition, we will present and discuss the prospects of potential follow-up strategies with CTA. © Copyright owned by the author(s) under the terms of the Creative Commons.}},
  author       = {{Green, J.G. and Carlile, C. and Dravins, D.}},
  keywords     = {{Cerenkov counters; Cosmic ray detectors; Cosmology; Gravitational effects; Photons; Stars; Binary neutron stars; Cherenkov telescope arrays; Electromagnetics; Energy Observatory; Gamma rays bursts; Gravitational-wave signals; Gravitational-waves; Large regions; Real time strategies; Very high energies; Telescopes}},
  language     = {{eng}},
  title        = {{Chasing Gravitational Waves with the Cherenkov Telescope Array}},
  url          = {{http://dx.doi.org/10.22323/1.444.1534}},
  doi          = {{10.22323/1.444.1534}},
  year         = {{2024}},
}