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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},
}