Performance of the joint LST-1 and MAGIC observations evaluated with Crab Nebula data

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F23%3A10475990" target="_blank" >RIV/00216208:11320/23:10475990 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=NilwPC7PNY" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=NilwPC7PNY</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/0004-6361/202346927" target="_blank" >10.1051/0004-6361/202346927</a>

Result language
angličtina
Original language name
Performance of the joint LST-1 and MAGIC observations evaluated with Crab Nebula data
Original language description
Aims. Large-Sized Telescope 1 (LST-1), the prototype for the Large-Sized Telescope at the upcoming Cherenkov Telescope ArrayObservatory, is concluding its commissioning phase at the Observatorio del Roque de los Muchachos on the island of La Palma. Theproximity of LST-1 to the two MAGIC (Major Atmospheric Gamma Imaging Cherenkov) telescopes makes it possible to carry outobservations of the same gamma-ray events with both systems.Methods. We describe the joint LST-1+MAGIC analysis pipeline and used simultaneous Crab Nebula observations and Monte Carlosimulations to assess the performance of the three-telescope system. The addition of the LST-1 telescope allows for the recovery ofevents in which one of the MAGIC images is too dim to survive analysis quality cuts.Results. Thanks to the resulting increase in the collection area and stronger background rejection, we found a significant improvementin sensitivity, allowing for the detection of 30% weaker fluxes in the energy range between 200 GeV and 3 TeV. The spectrum of theCrab Nebula, reconstructed in the energy range between TILDE OPERATOR+D9160 GeV and TILDE OPERATOR+D9110 TeV, is in agreement with previous measurements.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10300 - Physical sciences

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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