On October 9th, 2022, the brightest gamma-ray burst (GRB) since the first GRB observation in the late sixties was detected by the Fermi-GBM and Swift-BAT telescopes (GRB 221009A). The outstanding characteristics of this GRB triggered extensive follow-up observations of the source across all wavebands, including at very-high-energy (VHE) gamma rays with the Large-Sized Telescope prototype (LST-1) of the upcoming Cherenkov Telescope Array Observatory (CTAO). In this contribution, we present the analysis and results of the LST-1 observation campaign in October 2022, focusing on the data taken under nominal observing conditions and above 200 GeV. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Abe, K., Abe, S., Abhishek, A., Acero, F., Aguasca-Cabot6, A., Agudo7, I., et al. (2024). GRB 221009A observations with LST-1 at VHE gamma rays. In Proceedings of Science. Trieste : SISSA Medialab [10.22323/1.461.0058].
GRB 221009A observations with LST-1 at VHE gamma rays
A. AbhishekMembro del Collaboration Group
;G. Bonnoli;L. NIKOLIĆMembro del Collaboration Group
;R. PaolettiMembro del Collaboration Group
;F. PodobnikMembro del Collaboration Group
;G. VernaMembro del Collaboration Group
;
2024-01-01
Abstract
On October 9th, 2022, the brightest gamma-ray burst (GRB) since the first GRB observation in the late sixties was detected by the Fermi-GBM and Swift-BAT telescopes (GRB 221009A). The outstanding characteristics of this GRB triggered extensive follow-up observations of the source across all wavebands, including at very-high-energy (VHE) gamma rays with the Large-Sized Telescope prototype (LST-1) of the upcoming Cherenkov Telescope Array Observatory (CTAO). In this contribution, we present the analysis and results of the LST-1 observation campaign in October 2022, focusing on the data taken under nominal observing conditions and above 200 GeV. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.File | Dimensione | Formato | |
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https://hdl.handle.net/11365/1283317