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description Publicationkeyboard_double_arrow_right Article , Preprint 2023Embargo end date: 01 Jan 2023 Czech Republic, France, Czech RepublicPublisher:American Astronomical Society Funded by:EC | ESCAPE, , MIUR +3 projectsEC| ESCAPE ,[no funder available] ,MIUR ,EC| INFIERI ,EC| CTA-PP ,EC| CTA-DEVProject, CTA-LST; Abe, H.; Abe, K.; Abe, S.; Aguasca-Cabot, A.; Agudo, I.; Crespo, N. Alvarez; Antonelli, L. A.; Aramo, C.; Arbet-Engels, A.; Arcaro, C.; Artero, M.; Asano, K.; Aubert, P.; Baktash, A.; Bamba, A.; Larriva, A. Baquero; Baroncelli, L.; de Almeida, U. Barres; Barrio, J. A.; Batkovic, I.; Baxter, J.; González, J. Becerra; Bernardini, E.; Bernardos, M. I.; Medrano, J. Bernete; Berti, A.; Bhattacharjee, P.; Biederbeck, N.; Bigongiari, C.; Bissaldi, E.; Blanch, O.; Bonnoli, G.; Bordas, P.; Borghese, A.; Bulgarelli, A.; Burelli, I.; Buscemi, M.; Cardillo, M.; Caroff, S.; Carosi, A.; Cassol, F.; Cauz, D.; Ceribella, G.; Chai, Y.; Cheng, K.; Chiavassa, A.; Chikawa, M.; Chytka, L.; Cifuentes, A.; Contreras, J. L.; Cortina, J.; Costantini, H.; D'Amico, G.; Dalchenko, M.; De Angelis, A.; de Lavergne, M. de Bony; De Lotto, B.; de Menezes, R.; Deleglise, G.; Delgado, C.; Mengual, J. Delgado; della Volpe, D.; Dellaiera, M.; Depaoli, D.; Di Piano, A.; Di Pierro, F.; Di Tria, R.; Di Venere, L.; Díaz, C.; Dominik, R. M.; Prester, D. Dominis; Donini, A.; Dorner, D.; Doro, M.; Elsässer, D.; Emery, G.; Escudero, J.; Ramazani, V. Fallah; Ferrara, G.; Ferrarotto, F.; Fiasson, A.; Coromina, L. Freixas; Fröse, S.; Fukami, S.; Fukazawa, Y.; Garcia, E.; López, R. Garcia; Gasbarra, C.; Gasparrini, D.; Geyer, F.; Paiva, J. Giesbrecht; Giglietto, N.; Giordano, F.; Giro, E.; Gliwny, P.; Godinovic, N.; Grau, R.; Green, D.; Green, J.; Gunji, S.; Hackfeld, J.; Hadasch, D.; Hahn, A.; Hashiyama, K.; Hassan, T.; Hayashi, K.; Heckmann, L.; Heller, M.; Llorente, J. Herrera; Hirotani, K.; Hoffmann, D.; Horns, D.; Houles, J.; Hrabovsky, M.; Hrupec, D.; Hui, D.; Hütten, M.; Iarlori, M.; Imazawa, R.; Inada, T.; Inome, Y.; Ioka, K.; Iori, M.; Ishio, K.; Iwamura, Y.; Jacquemont, M.; Martinez, I. Jimenez; Jurysek, J.; Kagaya, M.; Karas, V.; Katagiri, H.; Kataoka, J.; Kerszberg, D.; Kobayashi, Y.; Kong, A.; Kubo, H.; Kushida, J.; Lainez, M.; Lamanna, G.; Lamastra, A.; Flour, T. Le; Linhoff, M.; Longo, F.; López-Coto, R.; López-Moya, M.; López-Oramas, A.; Loporchio, S.; Lorini, A.; Luque-Escamilla, P. L.; Majumdar, P.; Makariev, M.; Mandat, D.; Manganaro, M.; Manicò, G.; Mannheim, K.; Mariotti, M.; Marquez, P.; Marsella, G.; Martí, J.; Martinez, O.; Martínez, G.; Martínez, M.; Marusevec, P.; Mas-Aguilar, A.; Maurin, G.; Mazin, D.; Guillen, E. Mestre; Micanovic, S.; Miceli, D.; Miener, T.; Miranda, J. M.; Mirzoyan, R.; Mizuno, T.; Gonzalez, M. Molero; Molina, E.; Montaruli, T.; Monteiro, I.; Moralejo, A.; Morcuende, D.; Morselli, A.; Mrakovcic, K.; Murase, K.; Nagai, A.; Nagataki, S.; Nakamori, T.; Nickel, L.; Nievas, M.; Nishijima, K.; Noda, K.; Nosek, D.; Nozaki, S.; Ohishi, M.; Ohtani, Y.; Oka, T.; Okazaki, N.; Okumura, A.; Orito, R.; Otero-Santos, J.; Palatiello, M.;arXiv: 2306.12960
Abstract The Cherenkov Telescope Array (CTA) is a next-generation ground-based observatory for gamma-ray astronomy at very high energies. The Large-Sized Telescope prototype (LST-1) is located at the CTA-North site, on the Canary Island of La Palma. LSTs are designed to provide optimal performance in the lowest part of the energy range covered by CTA, down to ≃20 GeV. LST-1 started performing astronomical observations in 2019 November, during its commissioning phase, and it has been taking data ever since. We present the first LST-1 observations of the Crab Nebula, the standard candle of very-high-energy gamma-ray astronomy, and use them, together with simulations, to assess the performance of the telescope. LST-1 has reached the expected performance during its commissioning period—only a minor adjustment of the preexisting simulations was needed to match the telescope’s behavior. The energy threshold at trigger level is around 20 GeV, rising to ≃30 GeV after data analysis. Performance parameters depend strongly on energy, and on the strength of the gamma-ray selection cuts in the analysis: angular resolution ranges from 0.°12–0.°40, and energy resolution from 15%–50%. Flux sensitivity is around 1.1% of the Crab Nebula flux above 250 GeV for a 50 hr observation (12% for 30 minutes). The spectral energy distribution (in the 0.03–30 TeV range) and the light curve obtained for the Crab Nebula agree with previous measurements, considering statistical and systematic uncertainties. A clear periodic signal is also detected from the pulsar at the center of the Nebula.
The Astrophysical Jo... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2023 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of Scienceshttps://dx.doi.org/10.48550/ar...Article . 2023License: arXiv Non-Exclusive DistributionData sources: DataciteUniversité Savoie Mont Blanc: HALArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3847/1538-4357/ace89d&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 12 citations 12 popularity Top 10% influence Top 10% impulse Top 10% 
Powered by BIP!more_vert The Astrophysical Jo... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2023 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of Scienceshttps://dx.doi.org/10.48550/ar...Article . 2023License: arXiv Non-Exclusive DistributionData sources: DataciteUniversité Savoie Mont Blanc: HALArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3847/1538-4357/ace89d&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
description Publicationkeyboard_double_arrow_right Article , Preprint 2023Embargo end date: 01 Jan 2023 Czech Republic, France, Czech RepublicPublisher:American Astronomical Society Funded by:EC | ESCAPE, , MIUR +3 projectsEC| ESCAPE ,[no funder available] ,MIUR ,EC| INFIERI ,EC| CTA-PP ,EC| CTA-DEVProject, CTA-LST; Abe, H.; Abe, K.; Abe, S.; Aguasca-Cabot, A.; Agudo, I.; Crespo, N. Alvarez; Antonelli, L. A.; Aramo, C.; Arbet-Engels, A.; Arcaro, C.; Artero, M.; Asano, K.; Aubert, P.; Baktash, A.; Bamba, A.; Larriva, A. Baquero; Baroncelli, L.; de Almeida, U. Barres; Barrio, J. A.; Batkovic, I.; Baxter, J.; González, J. Becerra; Bernardini, E.; Bernardos, M. I.; Medrano, J. Bernete; Berti, A.; Bhattacharjee, P.; Biederbeck, N.; Bigongiari, C.; Bissaldi, E.; Blanch, O.; Bonnoli, G.; Bordas, P.; Borghese, A.; Bulgarelli, A.; Burelli, I.; Buscemi, M.; Cardillo, M.; Caroff, S.; Carosi, A.; Cassol, F.; Cauz, D.; Ceribella, G.; Chai, Y.; Cheng, K.; Chiavassa, A.; Chikawa, M.; Chytka, L.; Cifuentes, A.; Contreras, J. L.; Cortina, J.; Costantini, H.; D'Amico, G.; Dalchenko, M.; De Angelis, A.; de Lavergne, M. de Bony; De Lotto, B.; de Menezes, R.; Deleglise, G.; Delgado, C.; Mengual, J. Delgado; della Volpe, D.; Dellaiera, M.; Depaoli, D.; Di Piano, A.; Di Pierro, F.; Di Tria, R.; Di Venere, L.; Díaz, C.; Dominik, R. M.; Prester, D. Dominis; Donini, A.; Dorner, D.; Doro, M.; Elsässer, D.; Emery, G.; Escudero, J.; Ramazani, V. Fallah; Ferrara, G.; Ferrarotto, F.; Fiasson, A.; Coromina, L. Freixas; Fröse, S.; Fukami, S.; Fukazawa, Y.; Garcia, E.; López, R. Garcia; Gasbarra, C.; Gasparrini, D.; Geyer, F.; Paiva, J. Giesbrecht; Giglietto, N.; Giordano, F.; Giro, E.; Gliwny, P.; Godinovic, N.; Grau, R.; Green, D.; Green, J.; Gunji, S.; Hackfeld, J.; Hadasch, D.; Hahn, A.; Hashiyama, K.; Hassan, T.; Hayashi, K.; Heckmann, L.; Heller, M.; Llorente, J. Herrera; Hirotani, K.; Hoffmann, D.; Horns, D.; Houles, J.; Hrabovsky, M.; Hrupec, D.; Hui, D.; Hütten, M.; Iarlori, M.; Imazawa, R.; Inada, T.; Inome, Y.; Ioka, K.; Iori, M.; Ishio, K.; Iwamura, Y.; Jacquemont, M.; Martinez, I. Jimenez; Jurysek, J.; Kagaya, M.; Karas, V.; Katagiri, H.; Kataoka, J.; Kerszberg, D.; Kobayashi, Y.; Kong, A.; Kubo, H.; Kushida, J.; Lainez, M.; Lamanna, G.; Lamastra, A.; Flour, T. Le; Linhoff, M.; Longo, F.; López-Coto, R.; López-Moya, M.; López-Oramas, A.; Loporchio, S.; Lorini, A.; Luque-Escamilla, P. L.; Majumdar, P.; Makariev, M.; Mandat, D.; Manganaro, M.; Manicò, G.; Mannheim, K.; Mariotti, M.; Marquez, P.; Marsella, G.; Martí, J.; Martinez, O.; Martínez, G.; Martínez, M.; Marusevec, P.; Mas-Aguilar, A.; Maurin, G.; Mazin, D.; Guillen, E. Mestre; Micanovic, S.; Miceli, D.; Miener, T.; Miranda, J. M.; Mirzoyan, R.; Mizuno, T.; Gonzalez, M. Molero; Molina, E.; Montaruli, T.; Monteiro, I.; Moralejo, A.; Morcuende, D.; Morselli, A.; Mrakovcic, K.; Murase, K.; Nagai, A.; Nagataki, S.; Nakamori, T.; Nickel, L.; Nievas, M.; Nishijima, K.; Noda, K.; Nosek, D.; Nozaki, S.; Ohishi, M.; Ohtani, Y.; Oka, T.; Okazaki, N.; Okumura, A.; Orito, R.; Otero-Santos, J.; Palatiello, M.;arXiv: 2306.12960
Abstract The Cherenkov Telescope Array (CTA) is a next-generation ground-based observatory for gamma-ray astronomy at very high energies. The Large-Sized Telescope prototype (LST-1) is located at the CTA-North site, on the Canary Island of La Palma. LSTs are designed to provide optimal performance in the lowest part of the energy range covered by CTA, down to ≃20 GeV. LST-1 started performing astronomical observations in 2019 November, during its commissioning phase, and it has been taking data ever since. We present the first LST-1 observations of the Crab Nebula, the standard candle of very-high-energy gamma-ray astronomy, and use them, together with simulations, to assess the performance of the telescope. LST-1 has reached the expected performance during its commissioning period—only a minor adjustment of the preexisting simulations was needed to match the telescope’s behavior. The energy threshold at trigger level is around 20 GeV, rising to ≃30 GeV after data analysis. Performance parameters depend strongly on energy, and on the strength of the gamma-ray selection cuts in the analysis: angular resolution ranges from 0.°12–0.°40, and energy resolution from 15%–50%. Flux sensitivity is around 1.1% of the Crab Nebula flux above 250 GeV for a 50 hr observation (12% for 30 minutes). The spectral energy distribution (in the 0.03–30 TeV range) and the light curve obtained for the Crab Nebula agree with previous measurements, considering statistical and systematic uncertainties. A clear periodic signal is also detected from the pulsar at the center of the Nebula.
The Astrophysical Jo... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2023 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of Scienceshttps://dx.doi.org/10.48550/ar...Article . 2023License: arXiv Non-Exclusive DistributionData sources: DataciteUniversité Savoie Mont Blanc: HALArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3847/1538-4357/ace89d&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 12 citations 12 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert The Astrophysical Jo... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2023 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of Scienceshttps://dx.doi.org/10.48550/ar...Article . 2023License: arXiv Non-Exclusive DistributionData sources: DataciteUniversité Savoie Mont Blanc: HALArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3847/1538-4357/ace89d&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu