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25–29 Oct 2021
Wangjiang Hotel
Asia/Shanghai timezone

Temporal resolution of transient sources with LST-1: application to HESS J0632+057(poster)

26 Oct 2021, 18:00
10m
Wangjiang Hotel

Wangjiang Hotel

No.42 Xiashahepu Street, Jinjiang District, Chengdu City, Sichuan Province, China
poster Session 2

Speaker

Arnau Aguasca-Cabot (Universitat de Barcelona)

Description

The Cherenkov Telescope Array (CTA) prototype Large-Sized Telescope (LST-1) was inaugurated in 2018 and, after its commissioning, it is progressively entering the scientific data taking phase. In this contribution, we present a dedicated study on the capability of LST-1 to probe the very high energy (VHE) emission from galactic transient sources. Making use of numerical simulations of the VHE flux profiles for selected cases, we constrain the minimum time required to obtain a significant detection of the source, requiring a test statistics TS ≥ 4 for every flux point in the simulated source light curve. We apply our algorithm to the gamma-ray binary system HESS J0632+057. Our results suggest that the minimum time-bin in HESS J0632+057 obtained with the LST-1 would be a few minutes at the maximum flux phase (0.3-0.4 and 0.6-0.8), whereas at the minimum flux phase (0.4), it would be of a few hours. We briefly discuss the timing capabilities of LST-1 for galactic transient events.
Please choose the session this abstract belongs to Galactic sources

Primary author

Arnau Aguasca-Cabot (Universitat de Barcelona)

Co-authors

Marc Ribó (Universitat de Barcelona) Pol Bordas (Universitat de Barcelona)

Presentation materials