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@ARTICLE{Acciari:483410,
      author       = {Acciari, V. A. and Agudo, I. and Aniello, T. and Ansoldi,
                      S. and Antonelli, L. A. and Engels, A. Arbet and Artero, M.
                      and Asano, K. and Baack, D. and Babic, A. and Baquero, A.
                      and de Almeida, U. Barres and Barrio, J. A. and Batkovic, I.
                      and González, J. Becerra and Bednarek, W. and Bernardini,
                      E. and Bernardos, M. and Berti, A. and Besenrieder, J. and
                      Bigongiari, C. and Biland, A. and Blanch, O. and Bökenkamp,
                      H. and Bonnoli, G. and Bošnjak, Ž. and Burelli, I. and
                      Busetto, G. and Carosi, R. and Ceribella, G. and Cerruti, M.
                      and Chai, Y. and Chilingarian, A. and Cikota, S. and
                      Colombo, E. and Contreras, J. L. and Cortina, J. and Covino,
                      S. and D'Amico, G. and D'Elia, V. and Da Vela, P. and Dazzi,
                      F. and De Lotto, B. and Del Popolo, A. and Delfino, M. and
                      Delgado, J. and Mendez, C. Delgado and Depaoli, D. and Di
                      Pierro, F. and Di Venere, L. and Do Souto Espiñeira, E. and
                      Dominis Prester, D. and Donini, A. and Dorner, D. and Doro,
                      M. and Elsaesser, D. and Fallah Ramazani, V. and Fariña, L.
                      and Fattorini, A. and Font, L. and Fruck, C. and Fukami, S.
                      and Fukazawa, Y. and López, R. J. García and Garczarczyk,
                      M. and Gasparyan, S. and Gaug, M. and Giglietto, N. and
                      Giordano, F. and Gliwny, P. and Godinovic, N. and Green, J.
                      G. and Green, D. and Hadasch, D. and Hahn, A. and Hassan, T.
                      and Heckmann, L. and Herrera, J. and Hrupec, D. and Hütten,
                      M. and Inada, T. and Iotov, R. and Ishio, K. and Iwamura, Y.
                      and Martínez, I. Jiménez and Jormanainen, J. and Jouvin,
                      L. and Kerszberg, D. and Kobayashi, Y. and Kubo, H. and
                      Kushida, J. and Lamastra, A. and Lelas, D. and Leone, F. and
                      Lindfors, E. and Linhoff, L. and Liodakis, I. and Lombardi,
                      S. and Longo, F. and López-Coto, R. and López-Moya, M. and
                      López-Oramas, A. and Loporchio, S. and Lorini, A. and de
                      Oliveira Fraga, B. Machado and Maggio, C. and Majumdar, P.
                      and Makariev, M. and Mallamaci, M. and Maneva, G. and
                      Manganaro, M. and Mannheim, K. and Mariotti, M. and
                      Martínez, M. and Aguilar, A. Mas and Mazin, D. and
                      Menchiari, S. and Mender, S. and Micanovic, S. and Miceli,
                      D. and Miener, T. and Miranda, J. M. and Mirzoyan, R. and
                      Molina, E. and Mondal, H. A. and Moralejo, A. and Morcuende,
                      D. and Moreno, V. and Moretti, E. and Nakamori, T. and
                      Nanci, C. and Nava, L. and Neustroev, V. and Nievas Rosillo,
                      M. and Nigro, C. and Nilsson, K. and Nishijima, K. and Noda,
                      K. and Nozaki, S. and Ohtani, Y. and Oka, T. and
                      Otero-Santos, J. and Paiano, S. and Palatiello, M. and
                      Paneque, D. and Paoletti, R. and Paredes, J. M. and
                      Pavletic, L. and Peñil, P. and Persic, M. and Pihet, M. and
                      Prada Moroni, P. G. and Prandini, E. and Priyadarshi, C. and
                      Puljak, I. and Rhode, W. and Ribó, M. and Rico, J. and
                      Rugliancich, A. and Sahakyan, N. and Saito, T. and Sakurai,
                      S. and Satalecka, Konstancja and Saturni, F. G. and
                      Schleicher, B. and Schmuckermaier, F. and Schweizer, T. and
                      Sitarek, J. and Šnidaric, I. and Sobczynska, D. and Spolon,
                      A. and Stamerra, A. and Striškovic, J. and Strom, D. and
                      Strzys, M. and Suda, Y. and Suric, T. and Takahashi, M. and
                      Takeishi, R. and Tavecchio, F. and Temnikov, P. and Terzic,
                      T. and Teshima, M. and Tosti, L. and Truzzi, S. and Tutone,
                      A. and Ubach, S. and van Scherpenberg, J. and Vanzo, G. and
                      Vazquez Acosta, M. and Ventura, S. and Verguilov, V. and
                      Viale, I. and Vigorito, C. F. and Vitale, V. and Vovk, I.
                      and Will, M. and Wunderlich, C. and Yamamoto, T. and Zaric,
                      D. and Neronov, A. and Semikoz, D. and Korochkin, A.},
      collaboration = {{MAGIC Collaboration}},
      title        = {{A} lower bound on intergalactic magnetic fields from time
                      variability of 1{ES} 0229+200 from {MAGIC} and {F}ermi/{LAT}
                      observations},
      reportid     = {PUBDB-2022-05298, arXiv:2210.03321},
      year         = {2022},
      note         = {10 pages, 5 figures, accepted to $A\&A.$ Corresponding
                      authors: Ievgen Vovk, Paolo Da Vela
                      (mailto:contact.magic@mpp.mpg.de) and Andrii Neronov
                      (mailto:Andrii.Neronov@unige.ch)},
      abstract     = {Extended and delayed emission around distant TeV sources
                      induced by the effects of propagation of gamma rays through
                      the intergalactic medium can be used for the measurement of
                      the intergalactic magnetic field (IGMF). We search for
                      delayed GeV emission from the hard-spectrum TeV blazar 1ES
                      0229+200 with the goal to detect or constrain the
                      IGMF-dependent secondary flux generated during the
                      propagation of TeV gamma rays through the intergalactic
                      medium. We analyze the most recent MAGIC observations over a
                      5 year time span and complement them with historic data of
                      the H.E.S.S. and VERITAS telescopes along with a 12-year
                      long exposure of the Fermi/LAT telescope. We use them to
                      trace source evolution in the GeV-TeV band over
                      one-and-a-half decade in time. We use Monte Carlo
                      simulations to predict the delayed secondary gamma-ray flux,
                      modulated by the source variability, as revealed by TeV-band
                      observations. We then compare these predictions for various
                      assumed IGMF strengths to all available measurements of the
                      gamma-ray flux evolution. We find that the source flux in
                      the energy range above 200 GeV experiences variations around
                      its average on the 14 years time span of observations. No
                      evidence for the flux variability is found in 1-100 GeV
                      energy range accessible to Fermi/LAT. Non-detection of
                      variability due to delayed emission from electromagnetic
                      cascade developing in the intergalactic medium imposes a
                      lower bound of B>1.8e-17 G for long correlation length IGMF
                      and B>1e-14 G for an IGMF of the cosmological origin. Though
                      weaker than the one previously derived from the analysis of
                      Fermi/LAT data, this bound is more robust, being based on a
                      conservative intrinsic source spectrum estimate and
                      accounting for the details of source variability in the TeV
                      energy band. We discuss implications of this bound for
                      cosmological magnetic fields which might explain the baryon
                      asymmetry of the Universe.},
      cin          = {$Z_CTA$},
      cid          = {$I:(DE-H253)Z_CTA-20210408$},
      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)25},
      eprint       = {2210.03321},
      howpublished = {arXiv:2210.03321},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2210.03321;\%\%$},
      url          = {https://bib-pubdb1.desy.de/record/483410},
}