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Search for extended gamma-ray emission around AGN with HESS and Fermi-LAT
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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2014-02-24
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EDP Sciences,2014
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:lnu-33978
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https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-33978URI
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https://doi.org/10.1051/0004-6361/201322510DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-102943URI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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AuthorCount:214;
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Context. Very-high-energy (VHE; E > 100 GeV) gamma-ray emission from blazars inevitably gives rise to electron-positron pair production through the interaction of these gamma-rays with the extragalactic background light (EBL). Depending on the magnetic fields in the proximity of the source, the cascade initiated from pair production can result in either an isotropic halo around an initially- beamed source or a magnetically- broadened cascade :aux. Aims. Both extended pair-halo (PH) and magnetically broadened cascade (MBC) emission from regions surrounding the blazars 1ES 1101-232, IRS 0229+200, and PKS 2155-304 were searched for using VHE y-ray data taken with the High Energy Stereoscopic System (HESS.) and high-energy (HE; 100 MeV < E < 100 GeV) gamma-ray data with the Fermi Large Area Telescope (LAT). Methods. By comparing the angular distributions of the reconstructed gamma-ray events to the angular profiles calculated from detailed theoretical models, the presence of PH and MBC was investigated. Results. Upper limits on the extended emission around lES 1101-232, lES 0229+200, and PKS 2155-304 are found to be at a level of a few per cent of the Crab nebula flux above 1 TeV, depending on the assumed photon index of the cascade emission. Assuming strong extra-Galactic magnetic field (EGME) values, >10(-12) G, this limits the production of pair haloes developing from electromagnetic cascades. For weaker magnetic fields, in which electromagnetic cascades would result in MBCs. EGMF strengths in the range (0.3-3) x 10(-15) G were excluded for PKS 2155-304 at the 99% confidence level, under the assumption of a 1 Mpc coherence length.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Aharonian, F.
(author)
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Benkhali, F. Ait
(author)
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Akhperjanian, A. G.
(author)
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Anguener, E.
(author)
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Anton, G.
(author)
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Backes, M.
(author)
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Balenderan, S.
(author)
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Balzer, A.
(author)
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Barnacka, A.
(author)
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Becherini, YvonneLinnéuniversitetet,Institutionen för fysik och elektroteknik (IFE)(Swepub:lnu)yvbeaa
(author)
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Tjus, J. Becker
(author)
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Bernloehr, K.
(author)
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Birsin, E.
(author)
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Bissaldi, E.
(author)
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Biteau, J.
(author)
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Boettcher, M.
(author)
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Boisson, C.
(author)
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Bolmont, J.
(author)
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Bordas, P.
(author)
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Brucker, J.
(author)
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Brun, F.
(author)
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Brun, P.
(author)
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Bulik, T.
(author)
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Carrigan, S.
(author)
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Casanova, S.
(author)
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Meyer, ManuelStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)rwagner
(author)
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Chalme-Calvet, R.
(author)
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Chaves, R. C. G.
(author)
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Cheesebrough, A.
(author)
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Chretien, M.
(author)
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Colafrancesco, S.
(author)
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Cologna, G.
(author)
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Conrad, J.
(author)
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Couturier, C.
(author)
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Cui, Y.
(author)
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Djannati-Atai, A.
(author)
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Domainko, W.
(author)
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Drury, L. O 'C.
(author)
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Dubus, G.
(author)
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Dutson, K.
(author)
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Dyks, J.
(author)
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Dyrda, M.
(author)
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Edwards, T.
(author)
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Egberts, K.
(author)
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Eger, P.
(author)
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Espigat, P.
(author)
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Farnier, ChristianStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)cfarn
(author)
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Fegan, S.
(author)
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Feinstein, F.
(author)
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Fernandes, M. V.
(author)
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Fernandez, D.
(author)
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Fiasson, A.
(author)
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Fontaine, G.
(author)
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Foerster, A.
(author)
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Fussling, M.
(author)
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Gajdus, M.
(author)
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Gallant, Y. A.
(author)
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Garrigoux, T.
(author)
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Giavitto, G.
(author)
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Giebels, B.
(author)
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Glicenstein, J. F.
(author)
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Grondin, M. -H
(author)
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Grudzinska, M.
(author)
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Haeffner, S.
(author)
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Hahn, J.
(author)
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Harris, J.
(author)
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Heinzelmann, G.
(author)
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Henri, G.
(author)
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Hermann, G.
(author)
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Hervet, O.
(author)
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Hillert, A.
(author)
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Hinton, J. A.
(author)
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Hofmann, W.
(author)
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Hofverberg, P.
(author)
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Holler, M.
(author)
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Horns, D.
(author)
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Jacholkowska, A.
(author)
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Jahn, C.
(author)
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Jamrozy, M.
(author)
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Janiak, M.
(author)
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Jankowsky, F.
(author)
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Jung, I.
(author)
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Kastendieck, M. A.
(author)
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Katarzynski, K.
(author)
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Katz, U.
(author)
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Kaufmann, S.
(author)
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Khelifi, B.
(author)
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Kieffer, M.
(author)
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Klepser, S.
(author)
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Klochkov, D.
(author)
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Kluzniak, W.
(author)
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Kneiske, T.
(author)
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Kolitzus, D.
(author)
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Komin, Nu.
(author)
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Kosack, K.
(author)
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Krakau, S.
(author)
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Krayzel, F.
(author)
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Krueger, P. P.
(author)
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Laffon, H.
(author)
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Lamanna, G.
(author)
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Lefaucheur, J.
(author)
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Lemiere, A.
(author)
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Lemoine-Goumard, M.
(author)
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Lenain, J. -P
(author)
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Lohse, T.
(author)
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Lopatin, A.
(author)
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Lu, C. -C
(author)
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Marandon, V.
(author)
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Marcowith, A.
(author)
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Marx, R.
(author)
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Maurin, G.
(author)
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Maxted, N.
(author)
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Mayer, M.
(author)
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McComb, T. J. L.
(author)
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Mehault, J.
(author)
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Meintjes, P. J.
(author)
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Menzler, U.
(author)
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Meyer, M.
(author)
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Moderski, R.
(author)
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Mohamed, M.
(author)
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Moulin, E.
(author)
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Murach, T.
(author)
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Naumann, C. L.
(author)
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de Naurois, M.
(author)
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Niemiec, J.
(author)
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Nolan, S. J.
(author)
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Oakes, L.
(author)
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Odaka, H.
(author)
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Ohm, S.
(author)
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Wilhelmi, E. de Ona
(author)
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Opitz, B.
(author)
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Ostrowski, M.
(author)
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Oya, I.
(author)
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Panter, M.
(author)
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Parsons, R. D.
(author)
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Arribas, M. Paz
(author)
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Pekeur, N. W.
(author)
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Pelletier, G.
(author)
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Perez, J.
(author)
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Petrucci, P. -O
(author)
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Peyaud, B.
(author)
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Pita, S.
(author)
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Poon, H.
(author)
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Puehlhofer, G.
(author)
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Punch, MichaelUniv Paris Diderot, APC, AstroParticule & Cosmology, CNRS,IN2P3,CEA,Irfu, Observ Paris,Sorbonne Paris C, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France(Swepub:lnu)mipuaa
(author)
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Quirrenbach, A.
(author)
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Raab, S.
(author)
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Raue, M.
(author)
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Reichardt, I.
(author)
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Reimer, A.
(author)
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Reimer, O.
(author)
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Renaud, M.
(author)
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Reyes, R. de los
(author)
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Rieger, F.
(author)
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Rob, L.
(author)
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Romoli, C.
(author)
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Rosier-Lees, S.
(author)
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Rowell, G.
(author)
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Rudak, B.
(author)
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Rulten, C. B.
(author)
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Sahakian, V.
(author)
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Sanchez, D. A.
(author)
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Santangelo, A.
(author)
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Schlickeiser, R.
(author)
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Schuessler, F.
(author)
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Schulz, A.
(author)
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Schwanke, U.
(author)
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Schwarzburg, S.
(author)
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Schwemmer, S.
(author)
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Sol, H.
(author)
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Spengler, G.
(author)
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Spies, F.
(author)
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Stawarz, L.
(author)
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Steenkamp, R.
(author)
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Stegmann, C.
(author)
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Stinzing, F.
(author)
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Stycz, K.
(author)
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Sushch, I.
(author)
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Tavernet, J. -P
(author)
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Tavernier, T.
(author)
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Taylor, A. M.
(author)
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Terrier, R.
(author)
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Tluczykont, M.
(author)
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Trichard, C.
(author)
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Valerius, K.
(author)
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van Eldik, C.
(author)
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van Soelen, B.
(author)
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Vasileiadis, G.
(author)
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Venter, C.
(author)
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Viana, A.
(author)
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Vincent, P.
(author)
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Voelk, H. J.
(author)
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Volpe, F.
(author)
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Vorster, M.
(author)
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Vuillaume, T.
(author)
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Wagner, S. J.
(author)
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Wagner, P.
(author)
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Wagner, R. M.
(author)
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Ward, M.
(author)
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Weidinger, M.
(author)
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Weitzel, Q.
(author)
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White, R.
(author)
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Wierzcholska, A.
(author)
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Willmann, P.
(author)
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Woernlein, A.
(author)
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Wouters, D.
(author)
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Yang, R.
(author)
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Zabalza, V.
(author)
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Zacharias, M.
(author)
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Zdziarski, A. A.
(author)
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Zech, A.
(author)
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Zechlin, H. -S
(author)
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Malyshev, D.
(author)
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LinnéuniversitetetInstitutionen för fysik och elektroteknik (IFE)
(creator_code:org_t)
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In:Astronomy and Astrophysics: EDP Sciences562, s. A145-0004-63611432-0746
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Abramowski, A.
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Aharonian, F.
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Benkhali, F. Ait
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Akhperjanian, A. ...
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Anguener, E.
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Anton, G.
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Backes, M.
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Balenderan, S.
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Balzer, A.
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Tjus, J. Becker
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Bernloehr, K.
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Birsin, E.
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Bissaldi, E.
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Biteau, J.
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Boettcher, M.
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Boisson, C.
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Bolmont, J.
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Bordas, P.
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Brucker, J.
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Brun, F.
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Brun, P.
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Bulik, T.
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Carrigan, S.
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Casanova, S.
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Meyer, Manuel
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Chaves, R. C. G.
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Chretien, M.
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Conrad, J.
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Drury, L. O 'C.
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Fiasson, A.
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Foerster, A.
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Fussling, M.
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Gajdus, M.
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Gallant, Y. A.
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Garrigoux, T.
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Giavitto, G.
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Giebels, B.
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Grondin, M. -H
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Grudzinska, M.
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Haeffner, S.
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Hahn, J.
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Harris, J.
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Heinzelmann, G.
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Henri, G.
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Hermann, G.
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Hervet, O.
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Hillert, A.
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Hinton, J. A.
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Hofmann, W.
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Hofverberg, P.
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Holler, M.
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Horns, D.
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Jacholkowska, A.
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Jahn, C.
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Jamrozy, M.
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Janiak, M.
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Jankowsky, F.
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Jung, I.
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Kastendieck, M. ...
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Katarzynski, K.
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Katz, U.
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Kaufmann, S.
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Khelifi, B.
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Kieffer, M.
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Klepser, S.
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Klochkov, D.
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Kluzniak, W.
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Kneiske, T.
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Kolitzus, D.
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Komin, Nu.
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Kosack, K.
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Krakau, S.
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Krayzel, F.
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Krueger, P. P.
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Laffon, H.
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Lamanna, G.
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Lefaucheur, J.
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Lemiere, A.
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Lemoine-Goumard, ...
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Lenain, J. -P
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Lohse, T.
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Lopatin, A.
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Lu, C. -C
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Marandon, V.
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Marcowith, A.
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Marx, R.
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Maurin, G.
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Maxted, N.
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Mayer, M.
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McComb, T. J. L.
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Mehault, J.
-
Meintjes, P. J.
-
Menzler, U.
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Meyer, M.
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Moderski, R.
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Mohamed, M.
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Moulin, E.
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Murach, T.
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Naumann, C. L.
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de Naurois, M.
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Niemiec, J.
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Nolan, S. J.
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Oakes, L.
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Odaka, H.
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Ohm, S.
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Wilhelmi, E. de ...
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Opitz, B.
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Ostrowski, M.
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Oya, I.
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Panter, M.
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Parsons, R. D.
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Arribas, M. Paz
-
Pekeur, N. W.
-
Pelletier, G.
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Perez, J.
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Petrucci, P. -O
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Peyaud, B.
-
Pita, S.
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Poon, H.
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Puehlhofer, G.
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Punch, Michael
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Quirrenbach, A.
-
Raab, S.
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Raue, M.
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Reichardt, I.
-
Reimer, A.
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Reimer, O.
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Renaud, M.
-
Reyes, R. de los
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Rieger, F.
-
Rob, L.
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Romoli, C.
-
Rosier-Lees, S.
-
Rowell, G.
-
Rudak, B.
-
Rulten, C. B.
-
Sahakian, V.
-
Sanchez, D. A.
-
Santangelo, A.
-
Schlickeiser, R.
-
Schuessler, F.
-
Schulz, A.
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Schwanke, U.
-
Schwarzburg, S.
-
Schwemmer, S.
-
Sol, H.
-
Spengler, G.
-
Spies, F.
-
Stawarz, L.
-
Steenkamp, R.
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Stegmann, C.
-
Stinzing, F.
-
Stycz, K.
-
Sushch, I.
-
Tavernet, J. -P
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Tavernier, T.
-
Taylor, A. M.
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Terrier, R.
-
Tluczykont, M.
-
Trichard, C.
-
Valerius, K.
-
van Eldik, C.
-
van Soelen, B.
-
Vasileiadis, G.
-
Venter, C.
-
Viana, A.
-
Vincent, P.
-
Voelk, H. J.
-
Volpe, F.
-
Vorster, M.
-
Vuillaume, T.
-
Wagner, S. J.
-
Wagner, P.
-
Wagner, R. M.
-
Ward, M.
-
Weidinger, M.
-
Weitzel, Q.
-
White, R.
-
Wierzcholska, A.
-
Willmann, P.
-
Woernlein, A.
-
Wouters, D.
-
Yang, R.
-
Zabalza, V.
-
Zacharias, M.
-
Zdziarski, A. A.
-
Zech, A.
-
Zechlin, H. -S
-
Malyshev, D.
-
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