Dokumentdetails
ID
oai:arXiv.org:2407.02343
Thema
Astrophysics - High Energy Astroph...Autor
Project, CTA-LST : Abe, K. Abe, S. Abhishek, A. Acero, F. 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. Medrano, J. Bernete Berti, A. Bhattacharjee, P. Bigongiari, C. Bissaldi, E. Blanch, O. Bonnoli, G. Bordas, P. Brunelli, G. Bulgarelli, A. Burelli, I. Burmistrov, L. Buscemi, M. Cardillo, M. Caroff, S. Carosi, A. Carrasco, M. S. Cassol, F. Castrejón, N. Cauz, D. Cerasole, D. Ceribella, G. Chai, Y. Cheng, K. Chiavassa, A. Chikawa, M. Chon, G. Chytka, L. Cicciari, G. M. Cifuentes, A. Contreras, J. L. Cortina, J. Costantini, H. Da Vela, P. Dalchenko, M. Dazzi, F. De Angelis, A. de Lavergne, M. de Bony De Lotto, B. de Menezes, R. Del Peral, L. Delgado, C. Mengual, J. Delgado della Volpe, D. Dellaiera, M. 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. Eisenberger, L. Elsässer, D. Emery, G. Escudero, J. Ramazani, V. Fallah Ferrarotto, F. Fiasson, A. Foffano, L. Coromina, L. Freixas Fröse, S. Fukazawa, Y. López, R. Garcia Gasbarra, C. Gasparrini, D. Gavira, L. Geyer, D. Paiva, J. Giesbrecht Giglietto, N. Giordano, F. Gliwny, P. Godinovic, N. Grau, R. Green, D. Green, J. Gunji, S. Günther, P. Hackfeld, J. Hadasch, D. Hahn, A. 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. Iarlori, M. Imazawa, R. Inada, T. Inome, Y. Ioka, K. Iori, M. Martinez, I. Jimenez Quiles, J. Jiménez Jurysek, J. Kagaya, M. Karas, V. Katagiri, H. Kataoka, J. Kerszberg, D. Kobayashi, Y. Kohri, K. Kong, A. Kubo, H. Kushida, J. Lainez, M. Lamanna, G. Lamastra, A. Lemoigne, L. Linhoff, M. Longo, F. López-Coto, R. López-Moya, M. López-Oramas, A. Loporchio, S. Lorini, A. Bahilo, J. Lozano Luque-Escamilla, P. L. Majumdar, P. Makariev, M. Mallamaci, M. Mandat, D. Manganaro, M. Manicò, G. Mannheim, K. Marchesi, S. Mariotti, M. Marquez, P. Marsella, G. Martí, J. Martinez, O. Martínez, G. Martínez, M. 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. Moralejo, A. Morcuende, D. Morselli, A. Moya, V. Muraishi, H. Nagataki, S. Nakamori, T. Neronov, A. Nickel, L. Rosillo, M. Nievas Nikolic, L. Nishijima, K. Noda, K. Nosek, D. Novotny, V. Nozaki, S. Ohishi, M. Ohtani, Y. Oka, T. Okumura, A. Orito, R. Otero-Santos, J. Ottanelli, P. Owen, E. Palatiello, M. Paneque, D. Pantaleo, F. R. Paoletti, R. Paredes, J. M. Pech, M. Pecimotika, M. Peresano, M. Pfeiffle, F. Pietropaolo, E. Pihet, M. Pirola, G. Plard, C. Podobnik, F. Pons, E. Prandini, E. Priyadarshi, C. Prouza, M. Rando, R. Rhode, W. Ribó, M. Righi, C. Rizi, V. Fernandez, G. Rodriguez Frías, M. D. Rodríguez Saito, T. Sakurai, S. Sanchez, D. A. Sano, H. Šarić, T. Sato, Y. Saturni, F. G. Savchenko, V. Schiavone, F. Schleicher, B. Schmuckermaier, F. Schubert, J. L. Schussler, F. Schweizer, T. Arroyo, M. Seglar Siegert, T. Silvia, R. Sitarek, J. Sliusar, V. Strišković, J. Strzys, M. Suda, Y. Tajima, H. Takahashi, H. Takahashi, M. Takata, J. Takeishi, R. Tam, P. H. T. Tanaka, S. J. Tateishi, D. Tavernier, T. Temnikov, P. Terada, Y. Terauchi, K. Terzic, T. Teshima, M. Tluczykont, M. Tokanai, F. Torres, D. F. Travnicek, P. Truzzi, S. Tutone, A. Vacula, M. Vallania, P. van Scherpenberg, J. Acosta, M. Vázquez Verna, G. Viale, I. Vigliano, A. Vigorito, C. F. Visentin, E. Vitale, V. Voitsekhovskyi, V. Voutsinas, G. Vovk, I. Vuillaume, T. Walter, R. Wan, L. Will, M. Yamamoto, T. Yamazaki, R. Yeung, P. K. H. Yoshida, T. Yoshikoshi, T. Zhang, W. Zywucka, N.Kategorie
Wissenschaften: Astrophysik
Jahr
2024
Auflistungsdatum
10.07.2024
Schlüsselwörter
gev detected emission crab pulsarsZusammenfassung
Context: There are currently three pulsars firmly detected by imaging atmospheric Cherenkov telescopes (IACTs), two of them reaching TeV energies, challenging models of very-high-energy (VHE) emission in pulsars.
More precise observations are needed to better characterize pulsar emission at these energies.
The LST-1 is the prototype of the Large-Sized Telescope, that will be part of the Cherenkov Telescope Array Observatory (CTAO).
Its improved performance over previous IACTs makes it well suited for studying pulsars.
Aims: To study the Crab pulsar emission with the LST-1, improving and complementing the results from other telescopes.
These observations can also be used to characterize the potential of the LST-1 to study other pulsars and detect new ones.
Methods: We analyzed a total of $\sim$103 hours of gamma-ray observations of the Crab pulsar conducted with the LST-1 in the period from September 2020 to January 2023.
The observations were carried out at zenith angles less than 50 degrees.
A new analysis of the Fermi-LAT data was also performed, including $\sim$14 years of observations.
Results: The Crab pulsar phaseogram, long-term light-curve, and phase-resolved spectra are reconstructed with the LST-1 from 20 GeV to 450 GeV for P1 and up to 700 GeV for P2.
The pulsed emission is detected with a significance of 15.2$\sigma$.
The two characteristic emission peaks of the Crab pulsar are clearly detected (>10$\sigma$), as well as the so-called bridge emission (5.7$\sigma$).
We find that both peaks are well described by power laws, with spectral indices of $\sim$3.44 and $\sim$3.03 respectively.
The joint analysis of Fermi-LAT and LST-1 data shows a good agreement between both instruments in the overlapping energy range.
The detailed results obtained in the first observations of the Crab pulsar with LST-1 show the potential that CTAO will have to study this type of sources.
;Comment: Accepted by A&A
Project, CTA-LST,:,Abe, K.,Abe, S.,Abhishek, A.,Acero, F.,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.,Medrano, J. Bernete,Berti, A.,Bhattacharjee, P.,Bigongiari, C.,Bissaldi, E.,Blanch, O.,Bonnoli, G.,Bordas, P.,Brunelli, G.,Bulgarelli, A.,Burelli, I.,Burmistrov, L.,Buscemi, M.,Cardillo, M.,Caroff, S.,Carosi, A.,Carrasco, M. S.,Cassol, F.,Castrejón, N.,Cauz, D.,Cerasole, D.,Ceribella, G.,Chai, Y.,Cheng, K.,Chiavassa, A.,Chikawa, M.,Chon, G.,Chytka, L.,Cicciari, G. M.,Cifuentes, A.,Contreras, J. L.,Cortina, J.,Costantini, H.,Da Vela, P.,Dalchenko, M.,Dazzi, F.,De Angelis, A.,de Lavergne, M. de Bony,De Lotto, B.,de Menezes, R.,Del Peral, L.,Delgado, C.,Mengual, J. Delgado,della Volpe, D.,Dellaiera, M.,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.,Eisenberger, L.,Elsässer, D.,Emery, G.,Escudero, J.,Ramazani, V. Fallah,Ferrarotto, F.,Fiasson, A.,Foffano, L.,Coromina, L. Freixas,Fröse, S.,Fukazawa, Y.,López, R. Garcia,Gasbarra, C.,Gasparrini, D.,Gavira, L.,Geyer, D.,Paiva, J. Giesbrecht,Giglietto, N.,Giordano, F.,Gliwny, P.,Godinovic, N.,Grau, R.,Green, D.,Green, J.,Gunji, S.,Günther, P.,Hackfeld, J.,Hadasch, D.,Hahn, A.,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.,Iarlori, M.,Imazawa, R.,Inada, T.,Inome, Y.,Ioka, K.,Iori, M.,Martinez, I. Jimenez,Quiles, J. Jiménez,Jurysek, J.,Kagaya, M.,Karas, V.,Katagiri, H.,Kataoka, J.,Kerszberg, D.,Kobayashi, Y.,Kohri, K.,Kong, A.,Kubo, H.,Kushida, J.,Lainez, M.,Lamanna, G.,Lamastra, A.,Lemoigne, L.,Linhoff, M.,Longo, F.,López-Coto, R.,López-Moya, M.,López-Oramas, A.,Loporchio, S.,Lorini, A.,Bahilo, J. Lozano,Luque-Escamilla, P. L.,Majumdar, P.,Makariev, M.,Mallamaci, M.,Mandat, D.,Manganaro, M.,Manicò, G.,Mannheim, K.,Marchesi, S.,Mariotti, M.,Marquez, P.,Marsella, G.,Martí, J.,Martinez, O.,Martínez, G.,Martínez, M.,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.,Moralejo, A.,Morcuende, D.,Morselli, A.,Moya, V.,Muraishi, H.,Nagataki, S.,Nakamori, T.,Neronov, A.,Nickel, L.,Rosillo, M. Nievas,Nikolic, L.,Nishijima, K.,Noda, K.,Nosek, D.,Novotny, V.,Nozaki, S.,Ohishi, M.,Ohtani, Y.,Oka, T.,Okumura, A.,Orito, R.,Otero-Santos, J.,Ottanelli, P.,Owen, E.,Palatiello, M.,Paneque, D.,Pantaleo, F. R.,Paoletti, R.,Paredes, J. M.,Pech, M.,Pecimotika, M.,Peresano, M.,Pfeiffle, F.,Pietropaolo, E.,Pihet, M.,Pirola, G.,Plard, C.,Podobnik, F.,Pons, E.,Prandini, E.,Priyadarshi, C.,Prouza, M.,Rando, R.,Rhode, W.,Ribó, M.,Righi, C.,Rizi, V.,Fernandez, G. Rodriguez,Frías, M. D. Rodríguez,Saito, T.,Sakurai, S.,Sanchez, D. A.,Sano, H.,Šarić, T.,Sato, Y.,Saturni, F. G.,Savchenko, V.,Schiavone, F.,Schleicher, B.,Schmuckermaier, F.,Schubert, J. L.,Schussler, F.,Schweizer, T.,Arroyo, M. Seglar,Siegert, T.,Silvia, R.,Sitarek, J.,Sliusar, V.,Strišković, J.,Strzys, M.,Suda, Y.,Tajima, H.,Takahashi, H.,Takahashi, M.,Takata, J.,Takeishi, R.,Tam, P. H. T.,Tanaka, S. J.,Tateishi, D.,Tavernier, T.,Temnikov, P.,Terada, Y.,Terauchi, K.,Terzic, T.,Teshima, M.,Tluczykont, M.,Tokanai, F.,Torres, D. F.,Travnicek, P.,Truzzi, S.,Tutone, A.,Vacula, M.,Vallania, P.,van Scherpenberg, J.,Acosta, M. Vázquez,Verna, G.,Viale, I.,Vigliano, A.,Vigorito, C. F.,Visentin, E.,Vitale, V.,Voitsekhovskyi, V.,Voutsinas, G.,Vovk, I.,Vuillaume, T.,Walter, R.,Wan, L.,Will, M.,Yamamoto, T.,Yamazaki, R.,Yeung, P. K. H.,Yoshida, T.,Yoshikoshi, T.,Zhang, W.,Zywucka, N., 2024, A detailed study of the very-high-energy Crab pulsar emission with the LST-1
