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@ARTICLE{Abe:601430,
author = {Abe, H. and Abe, K. and Abe, S. and Aguasca-Cabot, A. and
Agudo, I. and Crespo, N. Alvarez and Antonelli, L. A. and
Aramo, C. and Arbet-Engels, A. and Arcaro, C. and Artero, M.
and Asano, K. and Aubert, P. and Baktash, A. and Bamba, A.
and Larriva, A. Baquero and Baroncelli, L. and de Almeida,
U. Barres and Barrio, J. A. and Batkovic, I. and Baxter, J.
and Becerra González, J. and Bernardini, E. and Bernardos,
M. I. and Medrano, J. Bernete and Berti, A. and
Bhattacharjee, P. and Biederbeck, N. and Bigongiari, C. and
Bissaldi, E. and Blanch, O. and Bonnoli, G. and Bordas, P.
and Borghese, A. and Bulgarelli, A. and Burelli, I. and
Buscemi, M. and Cardillo, M. and Caroff, S. and Carosi, A.
and Cassol, F. and Cauz, D. and Ceribella, G. and Chai, Y.
and Cheng, K. and Chiavassa, A. and Chikawa, M. and Chytka,
L. and Cifuentes, A. and Contreras, J. L. and Cortina, J.
and Costantini, H. and D'Amico, G. and Dalchenko, M. and De
Angelis, A. and de Bony de Lavergne, M. and De Lotto, B. and
de Menezes, R. and Deleglise, G. and Delgado, C. and Delgado
Mengual, J. and della Volpe, D. and Dellaiera, M. and
Depaoli, D. and Di Piano, A. and Di Pierro, F. and Di Tria,
R. and Di Venere, L. and Díaz, C. and Dominik, R. M. and
Dominis Prester, D. and Donini, A. and Dorner, D. and Doro,
M. and Elsässer, D. and Emery, G. and Escudero, J. and
Fallah Ramazani, V. and Ferrara, G. and Ferrarotto, F. and
Fiasson, A. and Coromina, L. Freixas and Fröse, S. and
Fukami, S. and Fukazawa, Y. and Garcia, E. and López, R.
Garcia and Gasbarra, C. and Gasparrini, D. and Geyer, F. and
Paiva, J. Giesbrecht and Giglietto, N. and Giordano, F. and
Giro, E. and Gliwny, P. and Godinovic, N. and Grau, R. and
Green, D. and Green, J. and Gunji, S. and Hackfeld, J. and
Hadasch, D. and Hahn, A. and Hashiyama, K. and Hassan, T.
and Hayashi, K. and Heckmann, L. and Heller, M. and Herrera
Llorente, J. and Hirotani, K. and Hoffmann, D. and Horns, D.
and Houles, J. and Hrabovsky, M. and Hrupec, D. and Hui, D.
and Hütten, M. and Iarlori, M. and Imazawa, R. and Inada,
T. and Inome, Y. and Ioka, K. and Iori, M. and Ishio, K. and
Iwamura, Y. and Jacquemont, M. and Martinez, I. Jimenez and
Jurysek, J. and Kagaya, M. and Karas, V. and Katagiri, H.
and Kataoka, J. and Kerszberg, D. and Kobayashi, Y. and
Kong, A. and Kubo, H. and Kushida, J. and Lainez, M. and
Lamanna, G. and Lamastra, A. and Le Flour, T. and Linhoff,
M. and Longo, F. and López-Coto, R. and López-Moya, M. and
López-Oramas, A. and Loporchio, S. and Lorini, A. and
Luque-Escamilla, P. L. and Majumdar, P. and Makariev, M. and
Mandat, D. and Manganaro, M. and Manicò, G. and Mannheim,
K. and Mariotti, M. and Marquez, P. and Marsella, G. and
Martí, J. and Martinez, O. and Martínez, G. and Martínez,
M. and Marusevec, P. and Mas-Aguilar, A. and Maurin, G. and
Mazin, D. and Guillen, E. Mestre and Micanovic, S. and
Miceli, D. and Miener, T. and Miranda, J. M. and Mirzoyan,
R. and Mizuno, T. and Gonzalez, M. Molero and Molina, E. and
Montaruli, T. and Monteiro, I. and Moralejo, A. and
Morcuende, D. and Morselli, A. and Mrakovcic, K. and Murase,
K. and Nagai, A. and Nagataki, S. and Nakamori, T. and
Nickel, L. and Nievas, M. and Nishijima, K. and Noda, K. and
Nosek, D. and Nozaki, S. and Ohishi, M. and Ohtani, Y. and
Oka, T. and Okazaki, N. and Okumura, A. and Orito, R. and
Otero-Santos, J. and Palatiello, M. and Paneque, D. and
Pantaleo, F. R. and Paoletti, R. and Paredes, J. M. and
Pech, M. and Pecimotika, M. and Peresano, M. and Pérez, A.
and Pietropaolo, E. and Pirola, G. and Plard, C. and
Podobnik, F. and Poireau, V. and Polo, M. and Pons, E. and
Prandini, E. and Prast, J. and Principe, G. and Priyadarshi,
C. and Prouza, M. and Rando, R. and Rhode, W. and Ribó, M.
and Rizi, V. and Fernandez, G. Rodriguez and Ruiz, J. E. and
Saito, T. and Sakurai, S. and Sanchez, D. A. and Šarić, T.
and Sato, Y. and Saturni, F. G. and Schleicher, B. and
Schmuckermaier, F. and Schubert, J. L. and Schussler, F. and
Schweizer, T. and Seglar Arroyo, M. and Silvia, R. and
Sitarek, J. and Sliusar, V. and Spolon, A. and Strišković,
J. and Strzys, M. and Suda, Y. and Sunada, Y. and Tajima, H.
and Takahashi, H. and Takahashi, M. and Takata, J. and
Takeishi, R. and Tam, P. H. T. and Tanaka, S. J. and
Tateishi, D. and Tejedor, L. A. and Temnikov, P. and Terada,
Y. and Terauchi, K. and Terzic, T. and Teshima, M. and
Tluczykont, M. and Tokanai, F. and Torres, D. F. and
Travnicek, P. and Truzzi, S. and Tutone, A. and Uhlrich, G.
and Vacula, M. and Vallania, P. and van Scherpenberg, J. and
Vázquez Acosta, M. and Verguilov, V. and Viale, I. and
Vigliano, A. and Vigorito, C. F. and Vitale, V. and
Voutsinas, G. and Vovk, I. and Vuillaume, T. and Walter, R.
and Will, M. and Yamamoto, T. and Yamazaki, R. and Yoshida,
T. and Yoshikoshi, T. and Zywucka, N. and Bernloehr, K. and
Gueta, Orel and Kosack, K. and Maier, G. and Watson, J. and
Kernphysik, Max-Planck-Institut für and Heidelberg and
Germany and Elektronen-Synchrotron, Deutsches and Zeuthen
and CEA/IRFU/SAp and Saclay, CEA and Merisiers, Orme des and
Gif-sur-Yvette and France)},
collaboration = {CTA-{LST Collaboration}},
title = {{O}bservations of the {C}rab {N}ebula and {P}ulsar with the
{L}arge-sized {T}elescope {P}rototype of the {C}herenkov
{T}elescope {A}rray},
journal = {The astrophysical journal / Part 1},
volume = {956},
number = {2},
issn = {0004-637X},
address = {London},
publisher = {Institute of Physics Publ.},
reportid = {PUBDB-2024-00184, arXiv:2306.12960},
pages = {80},
year = {2023},
note = {Accepted in ApJ. v3: updated author list and
acknowledgements, fixed typos and other minor issues},
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.},
keywords = {energy: threshold (INSPIRE) / gamma ray: VHE (INSPIRE) /
Cherenkov Telescope Array (INSPIRE) / GeV (INSPIRE) /
performance (INSPIRE) / flux (INSPIRE) / pulsar (INSPIRE) /
angular resolution (INSPIRE) / observatory (INSPIRE) /
sensitivity (INSPIRE) / gamma ray: energy spectrum (INSPIRE)
/ pulsar wind nebula (INSPIRE) / Monte Carlo (INSPIRE) /
numerical calculations (INSPIRE) / energy resolution
(INSPIRE) / site (INSPIRE) / spectral energy distribution
(INSPIRE) / trigger (INSPIRE) / statistical (INSPIRE) / p
(INSPIRE) / muon (INSPIRE) / optics (INSPIRE) / TeV
(INSPIRE)},
cin = {$Z_CTAS$},
ddc = {520},
cid = {$I:(DE-H253)Z_CTAS-20210408$},
pnm = {613 - Matter and Radiation from the Universe (POF4-613)},
pid = {G:(DE-HGF)POF4-613},
experiment = {EXP:(DE-H253)CTA-20150101},
typ = {PUB:(DE-HGF)16},
eprint = {2306.12960},
howpublished = {arXiv:2306.12960},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2306.12960;\%\%$},
UT = {WOS:001085099600001},
doi = {10.3847/1538-4357/ace89d},
url = {https://bib-pubdb1.desy.de/record/601430},
}
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