Constraints on the intergalactic magnetic field using Fermi-LAT and H.E.S.S. blazar observations

Magnetic fields in galaxies and galaxy clusters are believed to be the result of the amplification of intergalactic seed fields during the formation of large-scale structures in the universe. However, the origin, strength, and morphology of this intergalactic magnetic field (IGMF) remain unknown. Lo...

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Hauptverfasser: Aharonian, Felix A. (VerfasserIn) , Aschersleben, J. (VerfasserIn) , Backes, M. (VerfasserIn) , Martins, V. Barbosa (VerfasserIn) , Batzofin, R. (VerfasserIn) , Becherini, Y. (VerfasserIn) , Berge, D. (VerfasserIn) , Bi, B. (VerfasserIn) , Bouyahiaoui, B. (VerfasserIn) , Breuhaus, Mischa (VerfasserIn) , Brose, R. (VerfasserIn) , Brun, F. (VerfasserIn) , Bruno, B. (VerfasserIn) , Bulik, T. (VerfasserIn) , Burger-Scheidlin, C. (VerfasserIn) , Bylund, T. (VerfasserIn) , Caroff, S. (VerfasserIn) , Casanova, S. (VerfasserIn) , Celic, J. (VerfasserIn) , Cerruti, M. (VerfasserIn) , Chand, T. (VerfasserIn) , Chandra, S. (VerfasserIn) , Chen, A. (VerfasserIn) , Chibueze, J. (VerfasserIn) , Chibueze, O. (VerfasserIn) , Cotter, G. (VerfasserIn) , Bony, M. de (VerfasserIn) , Egberts, K. (VerfasserIn) , Ernenwein, J.-P. (VerfasserIn) , Clairfontaine, G. Fichet de (VerfasserIn) , Filipovic, M. (VerfasserIn) , Fontaine, G. (VerfasserIn) , Füssling, M. (VerfasserIn) , Funk, S. (VerfasserIn) , Gabici, S. (VerfasserIn) , Ghafourizadeh, Zahra (VerfasserIn) , Giavitto, G. (VerfasserIn) , Glawion, D. (VerfasserIn) , Glicenstein, J. F. (VerfasserIn) , Goswami, P. (VerfasserIn) , Grondin, M.-H. (VerfasserIn) , Haerer, L. (VerfasserIn) , Holch, T. L. (VerfasserIn) , Holler, M. (VerfasserIn) , Horns, D. (VerfasserIn) , Jamrozy, M. (VerfasserIn) , Jankowsky, Felix (VerfasserIn) , Joshi, V. (VerfasserIn) , Jung-Richardt, I. (VerfasserIn) , Kasai, E. (VerfasserIn) , Katarzyński, K. (VerfasserIn) , Khatoon, R. (VerfasserIn) , Khélifi, B. (VerfasserIn) , Kluźniak, W. (VerfasserIn) , Komin, Nu (VerfasserIn) , Kosack, K. (VerfasserIn) , Kostunin, D. (VerfasserIn) , Lang, R. G. (VerfasserIn) , Stum, S. Le (VerfasserIn) , Leitl, F. (VerfasserIn) , Lemière, A. (VerfasserIn) , Lenain, J.-P. (VerfasserIn) , Leuschner, F. (VerfasserIn) , Lohse, T. (VerfasserIn) , Luashvili, A. (VerfasserIn) , Lypova, Iryna (VerfasserIn) , Mackey, J. (VerfasserIn) , Malyshev, D. (VerfasserIn) , Marandon, V. (VerfasserIn) , Marchegiani, P. (VerfasserIn) , Marcowith, A. (VerfasserIn) , Martí-Devesa, G. (VerfasserIn) , Marx, Ramin (VerfasserIn) , Meyer, M. (VerfasserIn) , Mitchell, A. (VerfasserIn) , Moderski, R. (VerfasserIn) , Mohrmann, L. (VerfasserIn) , Montanari, Alessandro (VerfasserIn) , Moulin, E. (VerfasserIn) , Muller, J. (VerfasserIn) , Murach, T. (VerfasserIn) , Nakashima, K. (VerfasserIn) , Niemiec, J. (VerfasserIn) , Ohm, S. (VerfasserIn) , Olivera-Nieto, Laura (VerfasserIn) , Wilhelmi, E. de Ona (VerfasserIn) , Panny, S. (VerfasserIn) , Panter, M. (VerfasserIn) , Parsons, R. D. (VerfasserIn) , Peron, G. (VerfasserIn) , Prokhorov, D. A. (VerfasserIn) , Prokoph, H. (VerfasserIn) , Pühlhofer, G. (VerfasserIn) , Punch, M. (VerfasserIn) , Quirrenbach, Andreas (VerfasserIn) , Reichherzer, P. (VerfasserIn) , Reimer, A. (VerfasserIn) , Reimer, O. (VerfasserIn) , Reville, Brian (VerfasserIn) , Rieger, Frank M. (VerfasserIn) , Rowell, G. (VerfasserIn) , Rudak, B. (VerfasserIn) , Ruiz Velasco, Edna Loredana (VerfasserIn) , Sahakian, V. (VerfasserIn) , Sanchez, D. A. (VerfasserIn) , Sasaki, M. (VerfasserIn) , Schüssler, F. (VerfasserIn) , Schutte, H. M. (VerfasserIn) , Schwanke, U. (VerfasserIn) , Shapopi, J. N. S. (VerfasserIn) , Sol, H. (VerfasserIn) , Spencer, S. (VerfasserIn) , Steinmaßl, Simon (VerfasserIn) , Suzuki, H. (VerfasserIn) , Takahashi, T. (VerfasserIn) , Tanaka, T. (VerfasserIn) , Taylor, A. M. (VerfasserIn) , Terrier, R. (VerfasserIn) , Thorpe-Morgan, C. (VerfasserIn) , Tsirou, M. (VerfasserIn) , Tsuji, N. (VerfasserIn) , Uchiyama, Y. (VerfasserIn) , Eldik, C. van (VerfasserIn) , Veh, J. (VerfasserIn) , Venter, C. (VerfasserIn) , Wagner, Stefan (VerfasserIn) , White, R. (VerfasserIn) , Wierzcholska, A. (VerfasserIn) , Wong, Yu Wun (VerfasserIn) , Zacharias, Michael (VerfasserIn) , Zargaryan, D. (VerfasserIn) , Zdziarski, A. A. (VerfasserIn) , Zouari, S. (VerfasserIn) , Żywucka, N. (VerfasserIn) , Collaboration, H. E. S. S. (VerfasserIn) , Collaboration, Fermi-LAT (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 21 June 2023
In: The astrophysical journal. Part 2, Letters
Year: 2023, Jahrgang: 950, Heft: 2, Pages: 1-16
ISSN:2041-8213
DOI:10.3847/2041-8213/acd777
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3847/2041-8213/acd777
Verlag, lizenzpflichtig, Volltext: https://dx.doi.org/10.3847/2041-8213/acd777
Volltext
Verfasserangaben:F. Aharonian, J. Aschersleben, M. Backes, V. Barbosa Martins, R. Batzofin, Y. Becherini, D. Berge, B.Bi, M. Bouyahiaoui, M. Breuhaus, R. Brose, F. Brun, B. Bruno, T. Bulik, C. Burger-Scheidlin, T. Bylund, S. Caroff, S. Casanova, J. Celic, M. Cerruti, T. Chand, S. Chandra, A. Chen, J. Chibueze, O. Chibueze, G. Cotter, M. de Bony, K. Egberts, J.-P. Ernenwein, G. Fichet de Clairfontaine, M. Filipovic, G. Fontaine, M. Füssling, S. Funk, S. Gabici, S. Ghafourizadeh, G. Giavitto, D. Glawion, J. F. Glicenstein, P. Goswami, M.-H. Grondin, L. Haerer, T.L. Holch, M. Holler, D. Horns, M. Jamrozy, F. Jankowsky, V. Joshi, I. Jung-Richardt, E. Kasai, K. Katarzyński, R. Khatoon, B. Khélifi, W. Kluźniak, Nu Komin, K. Kosack, D. Kostunin, R.G. Lang, S. Le Stum, F. Leitl, A. Lemière, J.-P. Lenain, F. Leuschner, T. Lohse, A. Luashvili, I. Lypova, J. Mackey, D. Malyshev, D. Malyshev, V. Marandon, P. Marchegiani, A. Marcowith, G. Martí-Devesa, R. Marx, M. Meyer, A. Mitchell, R. Moderski, L. Mohrmann, A. Montanari, E. Moulin, J. Muller, T. Murach, K. Nakashima, J. Niemiec, S. Ohm, L. Olivera-Nieto, E. de Ona Wilhelmi, S. Panny, M. Panter, R.D. Parsons, G. Peron, D.A. Prokhorov, H. Prokoph, G. Pühlhofer, M. Punch, A. Quirrenbach, P. Reichherzer, A. Reimer, O. Reimer, B. Reville, F. Rieger, G. Rowell, B. Rudak, E. Ruiz-Velasco, V. Sahakian, D.A. Sanchez, M. Sasaki, F. Schüssler, H.M. Schutte, U. Schwanke, J.N.S. Shapopi, H. Sol, S. Spencer, S. Steinmassl, H. Suzuki, T. Takahashi, T. Tanaka, A. M. Taylor, R. Terrier, C. Thorpe-Morgan, M. Tsirou, N. Tsuji, Y. Uchiyama, C. van Eldik, J. Veh, C. Venter, S.J. Wagner, R. White, A. Wierzcholska, Yu Wun Wong, M. Zacharias, D. Zargaryan, A.A. Zdziarski, S. Zouari, N. Żywucka, H. E. S. S. Collaboration, and M. Meyer, Fermi-LAT Collaboration

MARC

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100 1 |a Aharonian, Felix A.  |d 1952-  |e VerfasserIn  |0 (DE-588)1156023866  |0 (DE-627)1018583882  |0 (DE-576)187029512  |4 aut 
245 1 0 |a Constraints on the intergalactic magnetic field using Fermi-LAT and H.E.S.S. blazar observations  |c F. Aharonian, J. Aschersleben, M. Backes, V. Barbosa Martins, R. Batzofin, Y. Becherini, D. Berge, B.Bi, M. Bouyahiaoui, M. Breuhaus, R. Brose, F. Brun, B. Bruno, T. Bulik, C. Burger-Scheidlin, T. Bylund, S. Caroff, S. Casanova, J. Celic, M. Cerruti, T. Chand, S. Chandra, A. Chen, J. Chibueze, O. Chibueze, G. Cotter, M. de Bony, K. Egberts, J.-P. Ernenwein, G. Fichet de Clairfontaine, M. Filipovic, G. Fontaine, M. Füssling, S. Funk, S. Gabici, S. Ghafourizadeh, G. Giavitto, D. Glawion, J. F. Glicenstein, P. Goswami, M.-H. Grondin, L. Haerer, T.L. Holch, M. Holler, D. Horns, M. Jamrozy, F. Jankowsky, V. Joshi, I. Jung-Richardt, E. Kasai, K. Katarzyński, R. Khatoon, B. Khélifi, W. Kluźniak, Nu Komin, K. Kosack, D. Kostunin, R.G. Lang, S. Le Stum, F. Leitl, A. Lemière, J.-P. Lenain, F. Leuschner, T. Lohse, A. Luashvili, I. Lypova, J. Mackey, D. Malyshev, D. Malyshev, V. Marandon, P. Marchegiani, A. Marcowith, G. Martí-Devesa, R. Marx, M. Meyer, A. Mitchell, R. Moderski, L. Mohrmann, A. Montanari, E. Moulin, J. Muller, T. Murach, K. Nakashima, J. Niemiec, S. Ohm, L. Olivera-Nieto, E. de Ona Wilhelmi, S. Panny, M. Panter, R.D. Parsons, G. Peron, D.A. Prokhorov, H. Prokoph, G. Pühlhofer, M. Punch, A. Quirrenbach, P. Reichherzer, A. Reimer, O. Reimer, B. Reville, F. Rieger, G. Rowell, B. Rudak, E. Ruiz-Velasco, V. Sahakian, D.A. Sanchez, M. Sasaki, F. Schüssler, H.M. Schutte, U. Schwanke, J.N.S. Shapopi, H. Sol, S. Spencer, S. Steinmassl, H. Suzuki, T. Takahashi, T. Tanaka, A. M. Taylor, R. Terrier, C. Thorpe-Morgan, M. Tsirou, N. Tsuji, Y. Uchiyama, C. van Eldik, J. Veh, C. Venter, S.J. Wagner, R. White, A. Wierzcholska, Yu Wun Wong, M. Zacharias, D. Zargaryan, A.A. Zdziarski, S. Zouari, N. Żywucka, H. E. S. S. Collaboration, and M. Meyer, Fermi-LAT Collaboration 
264 1 |c 21 June 2023 
300 |b Illustrationen 
300 |a 16 
336 |a Text  |b txt  |2 rdacontent 
337 |a Computermedien  |b c  |2 rdamedia 
338 |a Online-Ressource  |b cr  |2 rdacarrier 
500 |a Gesehen am 18.06.2024 
520 |a Magnetic fields in galaxies and galaxy clusters are believed to be the result of the amplification of intergalactic seed fields during the formation of large-scale structures in the universe. However, the origin, strength, and morphology of this intergalactic magnetic field (IGMF) remain unknown. Lower limits on (or indirect detection of) the IGMF can be obtained from observations of high-energy gamma rays from distant blazars. Gamma rays interact with the extragalactic background light to produce electron−positron pairs, which can subsequently initiate electromagnetic cascades. The gamma-ray signature of the cascade depends on the IGMF since it deflects the pairs. Here we report on a new search for this cascade emission using a combined data set from the Fermi Large Area Telescope and the High Energy Stereoscopic System. Using state-of-the-art Monte Carlo predictions for the cascade signal, our results place a lower limit on the IGMF of B > 7.1 × 10−16 G for a coherence length of 1 Mpc even when blazar duty cycles as short as 10 yr are assumed. This improves on previous lower limits by a factor of 2. For longer duty cycles of 104 (107) yr, IGMF strengths below 1.8 × 10−14 G (3.9 × 10−14 G) are excluded, which rules out specific models for IGMF generation in the early universe. 
700 1 |a Aschersleben, J.  |e VerfasserIn  |4 aut 
700 1 |a Backes, M.  |e VerfasserIn  |4 aut 
700 1 |a Martins, V. Barbosa  |e VerfasserIn  |4 aut 
700 1 |a Batzofin, R.  |e VerfasserIn  |4 aut 
700 1 |a Becherini, Y.  |e VerfasserIn  |4 aut 
700 1 |a Berge, D.  |e VerfasserIn  |4 aut 
700 1 |a Bi, B.  |e VerfasserIn  |4 aut 
700 1 |a Bouyahiaoui, B.  |e VerfasserIn  |4 aut 
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700 1 |a Celic, J.  |e VerfasserIn  |4 aut 
700 1 |a Cerruti, M.  |e VerfasserIn  |4 aut 
700 1 |a Chand, T.  |e VerfasserIn  |4 aut 
700 1 |a Chandra, S.  |e VerfasserIn  |4 aut 
700 1 |a Chen, A.  |e VerfasserIn  |4 aut 
700 1 |a Chibueze, J.  |e VerfasserIn  |4 aut 
700 1 |a Chibueze, O.  |e VerfasserIn  |4 aut 
700 1 |a Cotter, G.  |e VerfasserIn  |4 aut 
700 1 |a Bony, M. de  |e VerfasserIn  |4 aut 
700 1 |a Egberts, K.  |e VerfasserIn  |4 aut 
700 1 |a Ernenwein, J.-P.  |e VerfasserIn  |4 aut 
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856 4 0 |u https://dx.doi.org/10.3847/2041-8213/acd777  |x Verlag  |z lizenzpflichtig  |3 Volltext 
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