| Title: |
Multiwavelength characterization of two flaring blazars: insight into the emission region of intermediate-synchrotron-peaked BL Lacs |
| Authors: |
Abe, H.; Abe, S.; Abhir, Jayant; Agudo, I.; Aniello, T.; Ansoldi, Stefano; Antonelli, Lucio Angelo; Arbet-Engels, Axel; Arcaro, Cornelia Hanna Esther; Artero, M.; Asano, Katsuaki; Baack, D.; Babić, A.; Baquero, A.; Barres de Almeida, Ulisses; Barrio, Juan; Batković, Ivana; Baxter, J.; Bednarek, Wlodek; Bernardini, Elisa; Bernardos, M.; Bernete Medrano, Juan; Berti, Alessio; Besenrieder, J.; Bigongiari, Ciro; Biland, Adrian; Blanch Bigas, Oscar; Bonnoli, Giacomo; Bošnjak, Ž.; Burelli, Irene; Busetto, Giovanni; Campoy Ordaz, Anna; Carosi, A.; Carosi, Roberto; Carretero-Castrillo, M.; Castro-Tirado, A. J.; Cerasole, Davide; Ceribella, G.; Chai, Yating; Chilingarian, Ashot; Cifuentes, A.; Cikota, S.; Colombo, Eduardo; Contreras González, Jose Luis; Cortina, Juan; Covino, Stefano; D'Amico, Giacomo; D'Elia, V.; Da Vela, P.; Dazzi, Francesco; De Angelis, Alessandro; De Lotto, Barbara; de Oliveira Fraga, B. Machado; Del Popolo, Antonino; Delfino, M.; Delgado, Jordi; Depaoli, D.; Di Pierro, F.; Di Venere, L.; Dominis Prester, D.; Donini, Andrea; Dorner, D.; Doro, Michele; Ekoume, T. Njoh; Elsaesser, Dominik; Emery, G.; Escudero Pedrosa, Juan; Fallah Ramazani, Vandad; Fariña, Luis; Fattorini, A.; Foffano, Luca; Font, Lluís; Fröse, S.; Fukami, S.; Fukazawa, Yasushi; Garczarczyk, Markus; Gasparyan, S.; Gaug, Markus; Giesbrecht Formiga Paiva, João Gabriel; Giglietto, Nicola; Giordano, F.; Gliwny, P.; Godinovic, Nikola; González, J. Becerra; González, María Magdalena; Grau Haro, Roger; Green, Daniel; Hadasch, D.; Hahn, A.; Hassan, Tarek; Heckmann, Lea; Herrera Llorente, Javier; Hrupec, Dario; Hütten, Moritz; Imazawa, R.; Inada, Tomohiro; Iotov, R.; Ishio, Kazuma; Jormanainen, J.; Kerszberg, Daniel; King, P.; Kluge, Gert; Kobayashi, Y.; Kouch, P.M.; Kubo, Hidetoshi; Kushida, Junko; Láinez, María; Lamastra, Alessandra; Lelas, Damir; Leone, Francesco; Lindfors, Elina; Linhoff, L.; Lombardi, Saverio; Longo, Francesco; López, R.J. García; López Moya, Marcos; López Oramas, Alicia; Lopez-Coto, Ruben; Loporchio, S.; Lorini, A.; Lyard, E.; Majumdar, Pratik; Makariev, M.; Maneva, G.; Mang, N.; Manganaro, Marina; Mangano, Salvatore; Mannheim, K.; Mariotti, Mose'; Martínez, I. Jiménez; Martinez, M.; Martínez-Chicharro, M.; Mas-Aguilar, A.; Mazin, Daniel; Menchiari, Stefano; Mender, S.; Mendez, C. Delgado; Mićanović, S.; Miceli, Davide; Miener, T.; Miranda, Jose Miguel; Mirzoyan, R.; Molina, Edgar; Mondal, H.A.; Moralejo Olaizola, Abelardo; Morcuende, D.; Nakamori, Takeshi; Nanci, C.; Nava, L.; Neustroev, Vitaly; Nickel, Lukas; Nievas Rosillo, Mireia; Nigro, Cosimo; Nikolić, L.; Nilsson, Kari; Nishijima, K.; Noda, Koji; Nozaki, S.; Ohtani, Y.; Oka, Tomohiko; Okumura, Akira; Otero Santos, Jorge; Paiano, Simona; Palatiello, M.; Paneque, David; Paoletti, Riccardo; Paredes, Josep M.; Pavletić, L.; Pavlović, D.; Persic, Massimo; Pihet, Marine; Pirola, G.; Podobnik, Franjo; Prada Moroni, Pier Giorgio; Prandini, Elisa; Principe, Giacomo; Priyadarshi, Chaitanya; Rhode, Wolfgang; Ribó, M.; Rico, Javier; Righi, Chiara; Sahakyan, N.; Saito, Takayuki; Sakurai, S.; Satalecka, Konstancja; Saturni, F.G.; Schleicher, B.; Schmidt, Katarzyna; Schmuckermaier, F.; Schubert, J.L.; Schweizer, T.; Sciaccaluga, A.; Sitarek, Julian; Sliusar, V.; Sobczynska, Dorota; Spolon, A.; Stamerra, Antonio; Strišković, Jelena; Strom, D.; Strzys, M.; Suda, Yusuke; Surić, T.; Suutarinen, S.; Tajima, Hiroyasu; Takahashi, Mitsunari; Takeishi, Ryuji; Tavecchio, Fabrizio; Temnikov, Petar; Terauchi, K.; Terzić, Tomislav; Teshima, M.; Tosti, L.; Truzzi, S.; Tutone, Antonio; Ubach, S.; van Scherpenberg, Juliane; Vazquez Acosta, Monica; Ventura, Sandro; Verguilov, V.; Viale, Ilaria; Vigorito, Carlo Francesco; Vitale, Vincenzo; Vovk, Ievgen; Walter, Roland; Will, Martin; Wunderlich, C.; Yamamoto, T. |
| Source: |
PoS, ICRC2023(2023), 725, (2023-07-25) ; ICRC, 38th International Cosmic Ray Conference, Nagoya, Japan, 2023-07-26 |
| Publisher Information: |
SISSA |
| Publication Year: |
2023 |
| Collection: |
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository |
| Subject Terms: |
energy: high; detector: optical; gamma ray: emission; radio wave; synchrotron; ultraviolet; GeV; blazar; GLAST; TeV; gamma ray: VHE; gamma ray: energy spectrum; X-ray; spectral; variability; satellite; MAGIC |
| Description: |
The blazars B2 1811+31 and GB6 J1058+2817 were found to be in flaring state during 2020 and2021, respectively. The high states of the sources were registered by the Fermi-LAT at energiesbelow 100 GeV, triggering observations at higher energies with the MAGIC telescopes, in theUV/X rays with the Swift satellite and with ground-based radio and optical telescopes. Theobservations in the very-high-energy (VHE, 100 GeV < E < 100 TeV) gamma-ray band led tothe first detection of both sources in this energy range. A long-term gamma-ray lightcurve wasderived using Fermi-LAT data, identifying the time intervals in which the two sources persistedin a quiet state. Archival data collected in the radio to X-ray wavelengths showed that the twosources exhibited intermediate-synchrotron-peaked BL Lac behaviors in their low states, ratherrare sources in the TeV sky. The high state of the two sources was deeply investigated thanks to thecoverage provided by multi-wavelength (MWL) observational campaigns. In this contribution,we present the results of the gamma-ray observations which are included in a MWL observationalcampaign organized on these sources during their high-states. We discuss the flare spectralproperties and temporal variability. In the high-energy gamma band, sub-daily-scale variabilityand strong spectral hardening give evidence for compact emission regions responsible for theradiative output at high energies during the flare. |
| Document Type: |
conference object |
| Language: |
English |
| Relation: |
https://www.openaccessrepository.it/communities/inspire-hep; https://doi.org/10.22323/1.444.0725; https://inspirehep.net/literature/2682081 |
| DOI: |
10.22323/1.444.0725 |
| Availability: |
https://doi.org/10.22323/1.444.0725; https://inspirehep.net/literature/2682081 |
| Rights: |
info:eu-repo/semantics/openAccess ; Creative Commons Attribution Non Commercial No Derivatives 4.0 International ; https://creativecommons.org/licenses/by-nc-nd/4.0/ |
| Accession Number: |
edsbas.E39FE056 |
| Database: |
BASE |