The optical calibration system for the CTAO-South Large-Sized Telescope camera

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F25%3A00646039" target="_blank" >RIV/67985815:_____/25:00646039 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/25:00646039 RIV/61989592:15310/25:73635271

Výsledek na webu

<a href="https://pos.sissa.it/501/792/pdf" target="_blank" >https://pos.sissa.it/501/792/pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.22323/1.501.0792" target="_blank" >10.22323/1.501.0792</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The optical calibration system for the CTAO-South Large-Sized Telescope camera

Popis výsledku v původním jazyce

The Cherenkov Telescope Array Observatory (CTAO) is the next-generation γ -ray observatory. CTAO foresees two observation sites, one located in the Northern Hemisphere (Canary Island of La Palma) and the other in the Southern Hemisphere (Atacama Desert in Chile), for observing γ -ray events coming from all over the celestial vault. Thanks to the CTA+ program, two Large-Sized Telescopes (LST) will be added to the baseline configuration of the CTAO Southern array of telescopes. The Cherenkov-imaging cameras of the LSTs are compounded of 1855 photomultiplier tubes (PMTs) covering a hexagonal area of around 4.5 m2. Each camera is calibrated by a system, dubbed Camera Calibration Box (CCB) and placed at the center of the telescope mirror’s dish surface. The CCB illuminates the PMTs also during the observation time (100 Hz, interleaved flat-field events) with a uniform, intensity-selectable, and diffuse UV (355 nm) light. The CCB is especially designed to withstand the extremely harsh environmental conditions of the CTAO Southern site and to provide high accessibility and maintainability. This contribution presents the CCB's key and peculiar design characteristics, in particular the optical and the software interface design choices including the internal stable and high sensitivity photon flux monitoring system.

Název v anglickém jazyce

The optical calibration system for the CTAO-South Large-Sized Telescope camera

Popis výsledku anglicky

The Cherenkov Telescope Array Observatory (CTAO) is the next-generation γ -ray observatory. CTAO foresees two observation sites, one located in the Northern Hemisphere (Canary Island of La Palma) and the other in the Southern Hemisphere (Atacama Desert in Chile), for observing γ -ray events coming from all over the celestial vault. Thanks to the CTA+ program, two Large-Sized Telescopes (LST) will be added to the baseline configuration of the CTAO Southern array of telescopes. The Cherenkov-imaging cameras of the LSTs are compounded of 1855 photomultiplier tubes (PMTs) covering a hexagonal area of around 4.5 m2. Each camera is calibrated by a system, dubbed Camera Calibration Box (CCB) and placed at the center of the telescope mirror’s dish surface. The CCB illuminates the PMTs also during the observation time (100 Hz, interleaved flat-field events) with a uniform, intensity-selectable, and diffuse UV (355 nm) light. The CCB is especially designed to withstand the extremely harsh environmental conditions of the CTAO Southern site and to provide high accessibility and maintainability. This contribution presents the CCB's key and peculiar design characteristics, in particular the optical and the software interface design choices including the internal stable and high sensitivity photon flux monitoring system.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of Science

ISBN

—

ISSN

1824-8039

e-ISSN

—

Počet stran výsledku

8

Strana od-do

792

Název nakladatele

Sissa Medilab srl

Místo vydání

Trieste

Místo konání akce

Ženeva

Datum konání akce

15. 7. 2025

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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