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GrailQuest & HERMES: Hunting for Gravitational Wave Electromagnetic Counterparts and Probing Space-Time Quantum Foam

Burderi, L; Di Salvo, T; Sannaa, A; Fiore, F; Riggio, A; Gambino, AF; Amarilli, F; ... Zanotti, G; + view all (2021) GrailQuest & HERMES: Hunting for Gravitational Wave Electromagnetic Counterparts and Probing Space-Time Quantum Foam. In: DenHerder, JWA and Nikzad, S and Nakazawa, K, (eds.) Proceedings of SPIE Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray. (pp. 114444Y-1-114444Y-19). Society of Photo-Optical Instrumentation Engineers (SPIE): Online. Green open access

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Abstract

Within Quantum Gravity theories, different models for space-time quantisation predict an energy dependent speed for photons. Although the predicted discrepancies are minuscule, GRB, occurring at cosmological distances, could be used to detect this signature of space-time granularity with a new concept of modular observatory of huge overall collecting area consisting in a fleet of small satellites in low orbits, with sub-microsecond time resolution and wide energy band (keV-MeV). The enormous number of collected photons will allow to effectively search these energy dependent delays. Moreover, GrailQuest will allow to perform temporal triangulation of high signal-to-noise impulsive events with arc-second positional accuracies: an extraordinary sensitive X-ray/Gamma all-sky monitor crucial for hunting the elusive electromagnetic counterparts of GW. A pathfinder of GrailQuest is already under development through the HERMES project: a fleet of six 3U cube-sats to be launched by 2021/22.

Type: Proceedings paper
Title: GrailQuest & HERMES: Hunting for Gravitational Wave Electromagnetic Counterparts and Probing Space-Time Quantum Foam
Event: SPIE Astronomical Telescopes + Instrumentation
Location: ELECTR NETWORK
Dates: 14 December 2020 - 18 December 2020
Open access status: An open access version is available from UCL Discovery
DOI: 10.1117/12.2561779
Publisher version: https://doi.org/10.1117/12.2561779
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Optics, Gamma-Ray Bursts, X-rays, CubeSats, nano-satellites, temporal triangulation, Quantum gravity, Gravitational Wave counterparts, all-sky monitor, Temporal triangulation, GAMMA-RAY BURSTS
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/10135212
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