The SST-1M imaging atmospheric Cherenkov telescope for gamma-ray astrophysics

arXiv - PHYS - Instrumentation and Methods for Astrophysics Pub Date : 2024-09-17 DOI:arxiv-2409.11310

C. Alispach, A. Araudo, M. Balbo, V. Beshley, A. Biland, J. Blažek, J. Borkowski, T. Bulik, F. Cadoux, S. Casanova, A. Christov, J. Chudoba, L. Chytka, P. Dědič, D. della Volpe, Y. Favre, M. Garczarczyk, L. Gibaud, T. Gieras, P. Hamal, M. Heller, M. Hrabovský, P. Janeček, M. Jelínek, V. Jílek, J. Juryšek, V. Karas, B. Lacave, E. Lyard, E. Mach, D. Mandát, W. Marek, S. Michal, J. Michałowski, R. Moderski, T. Montaruli, A. Muraczewski, S. Muthyala, A. L. Müller, A. Nagai, K. Nalewajski, D. Neise, J. Niemiec, M. Nikołajuk, V. Novotný, M. Ostrowski, M. Palatka, M. Pech, M. Prouza, P. Rajda, P. Schovanek, K. Seweryn, V. Sliusar, Ł. Stawarz, R. Sternberger, M. Stodulska, J. Świerblewski, P. Świerk, J. Štrobl, T. Tavernier, P. Trávníček, I. Troyano Pujadas, J. Vícha, R. Walter, K. Zietara

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Abstract

The SST-1M is a Small-Sized Telescope (SST) designed to provide a cost-effective and high-performance solution for gamma-ray astrophysics, particularly for energies beyond a few TeV. The goal is to integrate this telescope into an array of similar instruments, leveraging its lightweight design, earthquake resistance, and established Davies-Cotton configuration. Additionally, its optical system is designed to function without a protective dome, allowing it to withstand the harsh atmospheric conditions typical of mountain environments above 2000 m. The SST-1M utilizes a fully digitizing camera system based on silicon photomultipliers (SiPMs). This camera is capable of digitizing all signals from the UV-optical light detectors, allowing for the implementation of various triggers and data analysis methods. We detail the process of designing, prototyping, and validating this system, ensuring that it meets the stringent requirements for gamma-ray detection and performance. An SST-1M stereo system is currently operational and collecting data at the Ond\v{r}ejov observatory in the Czech Republic, situated at 500 m. Preliminary results from this system are promising. A forthcoming paper will provide a comprehensive analysis of the performance of the telescopes in detecting gamma rays and operating under real-world conditions.

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用于伽马射线天体物理学的 SST-1M 成像大气切伦科夫望远镜

SST-1M 是一种小型望远镜（SST），旨在为伽马射线天体物理学，特别是为超过几 TeV 的能量提供低成本、高性能的解决方案。其目标是将该望远镜集成到一系列类似仪器中，充分利用其轻巧的设计、抗震性和成熟的戴维斯-棉花配置。此外，其光学系统的设计可以在没有保护罩的情况下工作，使其能够承受 2000 米以上山区环境中典型的恶劣大气条件。该相机能够将紫外光-光学探测器发出的所有信号数字化，从而可以使用各种触发器和数据分析方法。我们详细介绍了这一系统的设计、原型制作和验证过程，确保它符合伽马射线探测和性能方面的严格要求。目前，一个SST-1M立体系统正在捷克共和国的Ond\v{r}ejov天文台运行并收集数据，该天文台位于500米高空。即将发表的一篇论文将全面分析望远镜在探测伽马射线和在实际条件下工作的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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arXiv - PHYS - Instrumentation and Methods for Astrophysics

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