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CERN Accelerating science

Article
Report number arXiv:1909.11621
Title Testing emission models on the extreme blazar 2WHSP J073326.7+515354 detected at very high energies with the MAGIC telescopes
Author(s)

Acciari, V.A. (IAC, La Laguna) ; Ansoldi, S. (INFN, Trieste ; Udine U. ; Tokyo U., ICRR) ; Antonelli, L.A. (INAF, Rome) ; Engels, A. Arbet (Zurich, ETH) ; Baack, D. (Dortmund U.) ; Babić, A. (Boskovic Inst., Zagreb) ; Banerjee, B. (Saha Inst.) ; Barres de Almeida, U. (Rio de Janeiro, CBPF) ; Barrio, J.A. (HIAST ; Madrid U.) ; Becerra González, J. (IAC, La Laguna) ; Bednarek, W. (Lodz U.) ; Bellizzi, L. (INFN, Pisa ; Pisa U.) ; Bernardini, E. (DESY ; INFN, Padua) ; Berti, A. ; Besenrieder, J. (Munich, Max Planck Inst.) ; Bhattacharyya, W. (DESY) ; Bigongiari, C. (INAF, Rome) ; Biland, A. (Zurich, ETH) ; Blanch, O. (Barcelona, IFAE) ; Bonnoli, G. (INFN, Pisa ; Pisa U.) ; Bošnjak, Ž. (Boskovic Inst., Zagreb) ; Busetto, G. (INFN, Padua) ; Carosi, R. (INFN, Pisa ; Pisa U.) ; Ceribella, G. (Munich, Max Planck Inst.) ; Cerruti, M. (Barcelona, IEEC) ; Chai, Y. (Munich, Max Planck Inst.) ; Chilingaryan, A. ; Cikota, S. (Boskovic Inst., Zagreb) ; Colak, S.M. (Barcelona, IFAE) ; Colin, U. (Munich, Max Planck Inst.) ; Colombo, E. (IAC, La Laguna) ; Contreras, J.L. (HIAST ; Madrid U.) ; Cortina, J. (Madrid, CIEMAT) ; Covino, S. (INAF, Rome) ; D'Elia, V. (INAF, Rome) ; Da Vela, P. (INFN, Pisa ; Pisa U.) ; Dazzi, F. (INAF, Rome) ; De Angelis, A. (INFN, Padua) ; De Lotto, B. (INFN, Trieste ; Udine U.) ; Delfino, M. (Barcelona, IFAE ; Madrid, CIEMAT) ; Delgado, J. (Barcelona, IFAE ; Madrid, CIEMAT) ; Depaoli, D. ; Di Pierro, F. ; Di Venere, L. ; Espiñeira, E. Souto, Do. (Barcelona, IFAE) ; Dominis Prester, D. (Boskovic Inst., Zagreb) ; Donini, A. (INFN, Trieste ; Udine U.) ; Dorner, D. (Ruhr U., Astron. Inst.) ; Doro, M. (INFN, Padua) ; Elsaesser, D. (Dortmund U.) ; Fallah Ramazani, V. ; Fattorini, A. (Dortmund U.) ; Ferrara, G. (INAF, Rome) ; Fidalgo, D. (HIAST ; Madrid U.) ; Foffano, L. (INFN, Padua) ; Fonseca, M.V. (HIAST ; Madrid U.) ; Font, L. (Barcelona, Autonoma U.) ; Fruck, C. (Munich, Max Planck Inst.) ; Fukami, S. (Tokyo U., ICRR) ; López, R.J. García (IAC, La Laguna) ; Garczarczyk, M. (DESY) ; Gasparyan, S. ; Gaug, M. (Barcelona, Autonoma U.) ; Giglietto, N. ; Giordano, F. ; Godinović, N. (Boskovic Inst., Zagreb) ; Green, D. (Munich, Max Planck Inst.) ; Guberman, D. (Barcelona, IFAE) ; Hadasch, D. (Tokyo U., ICRR) ; Hahn, A. (Munich, Max Planck Inst.) ; Herrera, J. (IAC, La Laguna) ; Hoang, J. (HIAST ; Madrid U.) ; Hrupec, D. (Boskovic Inst., Zagreb) ; Hütten, M. (Munich, Max Planck Inst.) ; Inada, T. (Tokyo U., ICRR) ; Inoue, S. (Tokyo U., ICRR) ; Ishio, K. (Munich, Max Planck Inst.) ; Iwamura, Y. (Tokyo U., ICRR) ; Jouvin, L. (Barcelona, IFAE) ; Kerszberg, D. (Barcelona, IFAE) ; Kubo, H. (Tokyo U., ICRR) ; Kushida, J. (Tokyo U., ICRR) ; Lamastra, A. (INAF, Rome) ; Lelas, D. (Boskovic Inst., Zagreb) ; Leone, F. (INAF, Rome) ; Lindfors, E. ; Lombardi, S. (INAF, Rome) ; Longo, F. (INFN, Trieste ; Udine U. ; Trieste U.) ; López, M. (HIAST ; Madrid U.) ; López-Coto, R. (INFN, Padua) ; López-Oramas, A. (IAC, La Laguna) ; Loporchio, S. ; de Oliveira Fraga, B. Machado (Rio de Janeiro, CBPF) ; Maggio, C. (Barcelona, Autonoma U.) ; Majumdar, P. (Saha Inst.) ; Makariev, M. (Sofiya, Inst. Nucl. Res.) ; Mallamaci, M. (INFN, Padua) ; Maneva, G. (Sofiya, Inst. Nucl. Res.) ; Manganaro, M. (Boskovic Inst., Zagreb) ; Mannheim, K. (Ruhr U., Astron. Inst.) ; Maraschi, L. (INAF, Rome) ; Mariotti, M. (INFN, Padua) ; Martínez, M. (Barcelona, IFAE) ; Mazin, D. (Munich, Max Planck Inst. ; Tokyo U., ICRR) ; Mićanović, S. (Boskovic Inst., Zagreb) ; Miceli, D. (INFN, Trieste ; Udine U.) ; Minev, M. (Sofiya, Inst. Nucl. Res.) ; Miranda, J.M. (INFN, Pisa ; Pisa U.) ; Mirzoyan, R. (Munich, Max Planck Inst.) ; Molina, E. (Barcelona U.) ; Moralejo, A. (Barcelona, IFAE) ; Morcuende, D. (HIAST ; Madrid U.) ; Moreno, V. (Barcelona, Autonoma U.) ; Moretti, E. (Barcelona, IFAE) ; Munar-Adrover, P. (Barcelona, Autonoma U.) ; Neustroev, V. ; Nigro, C. (DESY) ; Nilsson, K. ; Ninci, D. (Barcelona, IFAE) ; Nishijima, K. (Tokyo U., ICRR) ; Noda, K. (Tokyo U., ICRR) ; Nogués, L. (Barcelona, IFAE) ; Nozaki, S. (Tokyo U., ICRR) ; Paiano, S. (INFN, Padua) ; Palacio, J. (Barcelona, IFAE) ; Palatiello, M. (INFN, Trieste ; Udine U.) ; Paneque, D. (Munich, Max Planck Inst.) ; Paoletti, R. (INFN, Pisa ; Pisa U.) ; Paredes, J.M. (Barcelona U.) ; Peñil, P. (HIAST ; Madrid U.) ; Peresano, M. (INFN, Trieste ; Udine U.) ; Persic, M. (INFN, Trieste ; Udine U. ; U. Bologna, DIFA ; Trieste Observ.) ; Prada Moroni, P.G. (INFN, Pisa ; Pisa U.) ; Prandini, E. (INFN, Padua) ; Puljak, I. (Boskovic Inst., Zagreb) ; Rhode, W. (Dortmund U.) ; Ribó, M. (Barcelona U.) ; Rico, J. (Barcelona, IFAE) ; Righi, C. (INAF, Rome) ; Rugliancich, A. (INFN, Pisa ; Pisa U.) ; Saha, L. (HIAST ; Madrid U.) ; Sahakyan, N. ; Saito, T. (Tokyo U., ICRR) ; Sakurai, S. (Tokyo U., ICRR) ; Satalecka, K. (DESY) ; Schmidt, K. (Dortmund U.) ; Schweizer, T. (Munich, Max Planck Inst.) ; Sitarek, J. (Lodz U.) ; Šnidarić, I. (Boskovic Inst., Zagreb) ; Sobczynska, D. (Lodz U.) ; Somero, A. (IAC, La Laguna) ; Stamerra, A. (INAF, Rome) ; Strom, D. (Munich, Max Planck Inst.) ; Strzys, M. (Munich, Max Planck Inst.) ; Suda, Y. (Munich, Max Planck Inst.) ; Surić, T. (Boskovic Inst., Zagreb) ; Takahashi, M. (Tokyo U., ICRR) ; Tavecchio, F. (INAF, Rome) ; Temnikov, P. (Sofiya, Inst. Nucl. Res.) ; Terzić, T. (Boskovic Inst., Zagreb) ; Teshima, M. (Munich, Max Planck Inst. ; Tokyo U., ICRR) ; Torres-Albà, N. (Barcelona U.) ; Tosti, L. ; Vagelli, V. ; van Scherpenberg, J. (Munich, Max Planck Inst.) ; Vanzo, G. (IAC, La Laguna) ; Vazquez Acosta, M. (IAC, La Laguna) ; Vigorito, C.F. ; Vitale, V. ; Vovk, I. (Munich, Max Planck Inst.) ; Will, M. (Munich, Max Planck Inst.) ; Zarić, D. (Boskovic Inst., Zagreb) ; Asano, K. (Tokyo U., ICRR) ; D'Ammando, F. (U. Bologna, DIFA ; Trieste Observ.) ; Clavero, R. (IAC, La Laguna)

Publication 2019
Imprint 2019-09-25
Number of pages 16
In: Mon. Not. R. Astron. Soc.
DOI 10.1093/mnras/stz2725 (publication)
Subject category astro-ph.HE ; Astrophysics and Astronomy
Accelerator/Facility, Experiment MAGIC
Abstract Extreme high-energy peaked BL Lac objects (EHBLs) are an emerging class of blazars. Their typical two-hump structured spectral energy distribution (SED) peaks at higher energies with respect to conventional blazars. Multi-wavelength (MWL) observations constrain their synchrotron peak in the medium to hard X-ray band. Their gamma-ray SED peaks above the GeV band, and in some objects it extends up to several TeV. Up to now, only a few EHBLs have been detected in the TeV gamma-ray range. In this paper, we report the detection of the EHBL 2WHSP J073326.7+515354, observed and detected during 2018 in TeV gamma rays with the MAGIC telescopes. The broad-band SED is studied within a MWL context, including an analysis of the Fermi-LAT data over ten years of observation and with simultaneous Swift-XRT, Swift-UVOT, and KVA data. Our analysis results in a set of spectral parameters that confirms the classification of the source as an EHBL. In order to investigate the physical nature of this extreme emission, different theoretical frameworks were tested to model the broad-band SED. The hard TeV spectrum of 2WHSP J073326.7+515354 sets the SED far from the energy equipartition regime in the standard one-zone leptonic scenario of blazar emission. Conversely, more complex models of the jet, represented by either a two-zone spine-layer model or a hadronic emission model, better represent the broad-band SED.
Copyright/License preprint: (License: arXiv nonexclusive-distrib 1.0)
publication: © 2019-2024 Authors (License: OUP Standard Journals Publication Model)



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