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Title: Performance study update of observations in divergent mode for the Cherenkov Telescope Array Authors: ID Donini, A. (Author) ID Bhattacharyya, Saptashwa (Author) ID Pérez Romero, Judit (Author) ID Stanič, Samo (Author) ID Vodeb, Veronika (Author) ID Vorobiov, Serguei (Author) ID Zavrtanik, Danilo (Author) ID Zavrtanik, Marko (Author) ID Živec, Miha (Author), et al. Files: ICRC2023_840.pdf (554,96 KB) MD5: 142A3F63F071F0E0D7DD36F67A11FC05   icrc38_authors_clean.pdf (498,02 KB) MD5: 9EBBC15CEC9C52C792E2BBC51515E953   https://pos.sissa.it/444   This document has even more files. Complete list of files is available below. Language: English Work type: Unknown Typology: 1.08 - Published Scientific Conference Contribution Organization: UNG - University of Nova Gorica Abstract: Due to the limited field of view (FoV) of Cherenkov telescopes, the time needed to achieve target sensitivity for surveys of the extragalactic and Galactic sky is large. To optimize the time spent to perform such surveys, a so-called “divergent mode” of the Cherenkov Telescope Array Observatory (CTAO) was proposed as an alternative observation strategy to the traditional parallel pointing. In the divergent mode, each telescope points to a position in the sky that is slightly offset, in the outward direction, from the original center of the field of view. This bring the advantage of increasing the total instantaneous arrays’ FoV. From an enlarged field of view also benefits the search for very-high-energy transient sources, making it possible to cover large sky regions in follow-up observations, or to quickly cover the probability sky map in case of Gamma Ray Bursts (GRB), Gravitational Waves (GW), and other transient events. In this contribution, we present the proposed implementation of the divergent pointing mode and its first preliminary performance estimation for the southern CTAO array. Keywords: Cherenkov Telescope Array, CTAO, divergent mode, very-high-energy transient sources Publication status: Published Publication version: Version of Record Publication date: 01.01.2023 Year of publishing: 2023 Number of pages: str. 1-7 PID: 20.500.12556/RUNG-8456-144c2d9b-f698-5c16-c1f5-5d06933ce33b  COBISS.SI-ID: 165841667  UDC: 539.1 ISSN on article: 1824-8039 NUK URN: URN:SI:UNG:REP:OQRQUDXR Publication date in RUNG: 26.09.2023 Views: 1526 Downloads: 7 Metadata:    Cite this work Plain text BibTeX EndNote XML EndNote/Refer RIS ABNT ACM Ref AMA APA Chicago 17th Author-Date Harvard IEEE ISO 690 MLA Vancouver : Copy citation

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Record is a part of a proceedings

Title:	38th International Cosmic Ray Conference [also] ICRC2023
COBISS.SI-ID:	162195971

Record is a part of a journal

Title:	Proceedings of science
Shortened title:	Pos proc. sci.
Publisher:	Sissa
ISSN:	1824-8039
COBISS.SI-ID:	20239655

Document is financed by a project

Funder:	ARRS - Slovenian Research Agency
Project number:	P1-0031
Name:	Večglasniška astrofizika

Licences

License:	CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:	http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:	The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

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