SST-1M observation of Markarian 421
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F25%3A00645055" target="_blank" >RIV/67985815:_____/25:00645055 - isvavai.cz</a>
Alternative codes found
RIV/68378271:_____/25:00645055 RIV/61989592:15310/25:73633795
Result on the web
<a href="https://pos.sissa.it/501/776/pdf" target="_blank" >https://pos.sissa.it/501/776/pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.22323/1.501.0776" target="_blank" >10.22323/1.501.0776</a>
Alternative languages
Result language
angličtina
Original language name
SST-1M observation of Markarian 421
Original language description
Markarian 421 (Mrk 421) is the closest and one of the brightest high-frequency peaked blazars, located at a redshift of z = 0.031. It is a strong source of gamma rays, and its broadband emission has been extensively studied over the years through multi-wavelength observations. Mrk 421 has been the target of an observational campaign from January to May 2024, with 23 nights of observation conducted by the SST-1M telescopes – two single-mirror, small-size Cherenkov telescopes at the Ondřejov Observatory, Czech Republic. These telescopes operate in mono and stereoscopic modes, utilizing the imaging atmospheric Cherenkov technique to detect very high-energy gamma rays in the 1–300 TeV energy range. Using about 32.92 hours of data collected by the telescopes in stereo mode, we find that the gamma-ray spectrum above 1 TeV is well described by a power-law function with an index of 3.24 ± 0.26. In this work, we present our recent SST-1M stereo observations, data analysis, and the results of preliminary physical modeling of Mrk 421’s emission mechanisms.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Proceedings of Science
ISBN
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ISSN
1824-8039
e-ISSN
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Number of pages
9
Pages from-to
776
Publisher name
Sissa Medilab srl
Place of publication
Trieste
Event location
Ženeva
Event date
Jul 15, 2025
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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