Observation of VER 2019+368 with the SST-1M stereoscopic system
The Single-Mirror Small Size Telescope (SST-1M) is a small Cherenkov telescope designed to detect gamma rays with energies more than about 1 TeV. The optical design of the SST-1M follows the Davies-Cotton concept to ensure good off-axis performance. In 2022, two SST-1M telescope prototypes were installed in Ondrejov, Czech Republic, and stereoscopic observations of astrophysical gamma-ray sources have been performed since then. VER J2019+368 is an unidentified very-high-energy (VHE) gamma-ray source, surrounded by several gamma-ray point-like and diffuse sources, together with their multi-wavelength counterparts. VHE emission was discovered by MILAGRO in 2012, followed by VERITAS observation, which revealed the complex morphology of the source. Recently, the LHAASO observatory detected photons with multi-TeV energies, opening up the possibility of particle acceleration up to PeV energies. In this contribution, we present preliminary results of the first observing campaign of the VER J2019+368 region, performed with SST-1M from April to November 2024. We present the data analysis, focusing on the morphological and spectroscopic study of the region. We also present the off-axis performance of SST-1M in the context of the prospects for detecting extended galactic gamma-ray sources. As one of the brightest and hardest sources in the LHAASO catalog, VER J2019+368 is an ideal candidate for testing the capabilities of the SST-1M, with its large field of view, to detect extended gamma-ray sources.
Authors
- F. Cadoux
- Anabella Araudo (ORCID: https://orcid.org/0000-0001-7605-5786)
- Matteo Balbo (ORCID: https://orcid.org/0000-0002-6556-3344)
- R. Walter (ORCID: https://orcid.org/0000-0003-2362-4433)
- J. Borkowski (ORCID: https://orcid.org/0000-0002-1460-496X)
- Jiří Blažek (ORCID: https://orcid.org/0000-0002-5870-8947)
- Vasyl Beshley (ORCID: https://orcid.org/0000-0002-2688-0224)
- S. Casanova (ORCID: https://orcid.org/0000-0002-6144-9122)
- Stella Boula (ORCID: https://orcid.org/0000-0001-7905-6928)
- M. Jelínek (ORCID: https://orcid.org/0000-0003-3922-7416)
- M. Ostrowski (ORCID: https://orcid.org/0000-0002-9199-7031)
- A. Christov (ORCID: https://orcid.org/0000-0001-8121-5860)
- Cyril Martin Alispach
- E. Mach (ORCID: https://orcid.org/0000-0002-9259-586X)
- Paweł Świerk
- M. Hrabovský (ORCID: https://orcid.org/0000-0003-4223-7316)
- A. Nagai (ORCID: https://orcid.org/0000-0002-7150-4527)
- P. Trávnı́ček (ORCID: https://orcid.org/0000-0002-1655-9584)
- Ł. Stawarz
- M. Nikołajuk (ORCID: https://orcid.org/0000-0003-4075-6745)
- P. Hamal (ORCID: https://orcid.org/0000-0003-3139-7234)
- I. Troyano Pujadas
- J. Vícha (ORCID: https://orcid.org/0000-0002-7945-3605)
- L. Chytka (ORCID: https://orcid.org/0000-0001-5741-259X)
- Vladimír Novotný (ORCID: https://orcid.org/0000-0002-4319-4541)
- V. Karas (ORCID: https://orcid.org/0000-0002-5760-0459)
- M. Palatka (ORCID: https://orcid.org/0000-0003-2061-6059)
- Vitalii Sliusar (ORCID: https://orcid.org/0000-0002-4387-9372)
- M. Stodulska (ORCID: https://orcid.org/0000-0002-4477-8143)
- J. Štrobl (ORCID: https://orcid.org/0000-0002-4147-2878)
- J. Niemiec (ORCID: https://orcid.org/0000-0001-6036-8569)
- Matthieu Heller (ORCID: https://orcid.org/0000-0003-1215-0148)
- R. Moderski (ORCID: https://orcid.org/0000-0002-8663-3882)
- R. Sternberger
- L. Gibaud (ORCID: https://orcid.org/0000-0001-7765-8271)
- D. della Volpe (ORCID: https://orcid.org/0000-0001-8530-7447)
- Patrik Čechvala
- M. Garczarczyk (ORCID: https://orcid.org/0000-0002-0445-4566)
- T. Montaruli (ORCID: https://orcid.org/0000-0001-5014-2152)
- Jakub Jurýšek (ORCID: https://orcid.org/0000-0002-3130-4168)
- Dominik Neise
- M. Prouza (ORCID: https://orcid.org/0000-0002-3238-9597)
- T. Bulik (ORCID: https://orcid.org/0000-0003-2045-4803)
- Krzysztof Ziȩtara
- Ana Laura Muller
- E. Lyard
- Tomasz Gieras
- Adam Muraczewski
- Srija Reddy Muthyala
- Krzysztof Nalewajski
- Jerzy Michalowksi
- J. Chudoba (ORCID: https://orcid.org/0000-0002-6425-2579)
- Wojciech Marek
- Stanislav Michal (ORCID: https://orcid.org/0000-0001-6563-1573)
- Yannick Favre
- Jacek Świerblewski (ORCID: https://orcid.org/0000-0003-4005-3863)
- Miroslav Pech
- Dusan Mandat
- Petr Janeček
- Vlastimil Jílek (ORCID: https://orcid.org/0000-0001-5774-7285)
- T. Tavernier
- Petr Schovánek (ORCID: https://orcid.org/0000-0002-5344-7645)
- Premysl Dedic (ORCID: https://orcid.org/0000-0001-7805-4373)
- Bastien Lacave
- Ernest Glowacki
- Michal Miron
Publication Details
- Published
- 2025-09-23
- DOI
- https://doi.org/10.22323/1.501.0703
- Primary Topic
- Geophysics and Gravity Measurements
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- European Commission
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
- Ministerstvo Školství, Mládeže a Tělovýchovy
- Grantová Agentura České Republiky
- Université de Genève