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  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
  5. Measurement of the EBL spectral energy distribution using the VHE γ-ray spectra of H.E.S.S. blazars
 

Measurement of the EBL spectral energy distribution using the VHE γ-ray spectra of H.E.S.S. blazars

Journal
ASTRONOMY & ASTROPHYSICS  
Date Issued
2017
Author(s)
H. E. S. S. Collaboration
•
Abdalla, H.
•
Abramowski, A.
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Aharonian, F.
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Ait Benkhali, F.
•
Akhperjanian, A. G.
•
Andersson, T.
•
Angüner, E. O.
•
Arakawa, M.
•
Arrieta, M.
•
Aubert, P.
•
Backes, M.
•
Balzer, A.
•
Barnard, M.
•
Becherini, Y.
•
Tjus, J. Becker
•
Berge, D.
•
Bernhard, S.
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Bernlöhr, K.
•
Blackwell, R.
•
Böttcher, M.
•
Boisson, C.
•
Bolmont, J.
•
Bonnefoy, S.
•
Bordas, P.
•
Bregeon, J.
•
Brun, F.
•
Brun, P.
•
Bryan, M.
•
Büchele, M.
•
Bulik, T.
•
Capasso, M.
•
Carr, J.
•
Casanova, S.
•
Cerruti, M.
•
Chakraborty, N.
•
Chaves, R. C. G.
•
Chen, A.
•
Chevalier, J.
•
Coffaro, M.
•
Colafrancesco, S.
•
Cologna, G.
•
Condon, B.
•
Conrad, J.
•
Cui, Y.
•
Davids, I. D.
•
Decock, J.
•
Degrange, B.
•
Deil, C.
•
Devin, J.
•
de Wilt, P.
•
Dirson, L.
•
Djannati-Ataï, A.
•
Domainko, W.
•
Donath, A.
•
Drury, L. O. 'C.
•
Dutson, K.
•
Dyks, J.
•
Edwards, T.
•
Egberts, K.
•
Eger, P.
•
Ernenwein, J. -P.
•
Eschbach, S.
•
Farnier, C.
•
Fegan, S.
•
Fernandes, M. V.
•
Fiasson, A.
•
Fontaine, G.
•
Förster, A.
•
Funk, S.
•
Füßling, M.
•
Gabici, S.
•
Gallant, Y. A.
•
Garrigoux, T.
•
Giavitto, G.
•
Giebels, B.
•
Glicenstein, J. F.
•
Gottschall, D.
•
Goyal, A.
•
Grondin, M. -H.
•
Hahn, J.
•
Haupt, M.
•
Hawkes, J.
•
Heinzelmann, G.
•
Henri, G.
•
Hermann, G.
•
Hinton, J. A.
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Hofmann, W.
•
Hoischen, C.
•
Holch, T. L.
•
Holler, M.
•
Horns, D.
•
Ivascenko, A.
•
Iwasaki, H.
•
Jacholkowska, A.
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Jamrozy, M.
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Janiak, M.
•
Jankowsky, D.
•
Jankowsky, F.
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Jingo, M.
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Jogler, T.
•
Jouvin, L.
•
Jung-Richardt, I.
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Kastendieck, M. A.
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Katarzyński, K.
•
Katsuragawa, M.
•
Katz, U.
•
Kerszberg, D.
•
Khangulyan, D.
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Khélifi, B.
•
King, J.
•
Klepser, S.
•
Klochkov, D.
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Kluźniak, W.
•
Kolitzus, D.
•
Komin, Nu.
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Kosack, K.
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Krakau, S.
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Kraus, M.
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Krüger, P. P.
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Laffon, H.
•
Lamanna, G.
•
Lau, J.
•
Lees, J. -P.
•
Lefaucheur, J.
•
Lefranc, V.
•
Lemière, A.
•
Lemoine-Goumard, M.
•
Lenain, J. -P.
•
Leser, E.
•
Lohse, T.
•
Lorentz, M.
•
Liu, R.
•
López-Coto, R.
•
Lypova, I.
•
Marandon, V.
•
Marcowith, A.
•
Mariaud, C.
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Marx, R.
•
Maurin, G.
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Maxted, N.
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Mayer, M.
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Meintjes, P. J.
•
Meyer, M.
•
Mitchell, A. M. W.
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Moderski, R.
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Mohamed, M.
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Mohrmann, L.
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Morå, K.
•
Moulin, E.
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Murach, T.
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Nakashima, S.
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de Naurois, M.
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Niederwanger, F.
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Niemiec, J.
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Oakes, L.
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O'Brien, P.
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Odaka, H.
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Ohm, S.
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Ostrowski, M.
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Oya, I.
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Padovani, Marco  
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Panter, M.
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Parsons, R. D.
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Pekeur, N. W.
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Pelletier, G.
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Perennes, C.
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Petrucci, P. -O.
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Peyaud, B.
•
Piel, Q.
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Pita, S.
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Poon, H.
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Prokhorov, D.
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Prokoph, H.
•
Pühlhofer, G.
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Punch, M.
•
Quirrenbach, A.
•
Raab, S.
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Rauth, R.
•
Reimer, A.
•
Reimer, O.
•
Renaud, M.
•
de los Reyes, R.
•
Richter, S.
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Rieger, F.
•
Romoli, C.
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Rowell, G.
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Rudak, B.
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Rulten, C. B.
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Sahakian, V.
•
Saito, S.
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Salek, D.
•
Sanchez, D. A.
•
Santangelo, A.
•
Sasaki, M.
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Schlickeiser, R.
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Schüssler, F.
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Schulz, A.
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Schwanke, U.
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Schwemmer, S.
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Seglar-Arroyo, M.
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Settimo, M.
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Seyffert, A. S.
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Shafi, N.
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Shilon, I.
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Simoni, R.
•
Sol, H.
•
Spanier, F.
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Spengler, G.
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Spies, F.
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Stawarz, Ł.
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Steenkamp, R.
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Stegmann, C.
•
Stycz, K.
•
Sushch, I.
•
Takahashi, T.
•
Tavernet, J. -P.
•
Tavernier, T.
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Taylor, A. M.
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Terrier, R.
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Tibaldo, L.
•
Tiziani, D.
•
Tluczykont, M.
•
Trichard, C.
•
Tsuji, N.
•
Tuffs, R.
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Uchiyama, Y.
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van der Walt, D. J.
•
van Eldik, C.
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van Rensburg, C.
•
van Soelen, B.
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Vasileiadis, G.
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Veh, J.
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Venter, C.
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Viana, A.
•
Vincent, P.
•
Vink, J.
•
Voisin, F.
•
Völk, H. J.
•
Vuillaume, T.
•
Wadiasingh, Z.
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Wagner, S. J.
•
Wagner, P.
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Wagner, R. M.
•
White, R.
•
Wierzcholska, A.
•
Willmann, P.
•
Wörnlein, A.
•
Wouters, D.
•
Yang, R.
•
Zaborov, D.
•
Zacharias, M.
•
Zanin, R.
•
Zdziarski, A. A.
•
Zech, A.
•
Zefi, F.
•
Ziegler, A.
•
Żywucka, N.
DOI
10.1051/0004-6361/201731200
Abstract
Very high-energy γ rays (VHE, E ≳ 100 GeV) propagating over cosmological distances can interact with the low-energy photons of the extragalactic background light (EBL) and produce electron-positron pairs. The transparency of the Universe to VHE γ rays is then directly related to the spectral energy distribution (SED) of the EBL. The observation of features in the VHE energy spectra of extragalactic sources allows the EBL to be measured, which otherwise is very difficult. An EBL model-independent measurement of the EBL SED with the H.E.S.S. array of Cherenkov telescopes is presented. It was obtained by extracting the EBL absorption signal from the reanalysis of high-quality spectra of blazars. From H.E.S.S. data alone the EBL signature is detected at a significance of 9.5σ, and the intensity of the EBL obtained in different spectral bands is presented together with the associated γ-ray horizon.
Volume
606
Start page
A59
Uri
http://hdl.handle.net/20.500.12386/26940
Url
https://www.aanda.org/articles/aa/abs/2017/10/aa31200-17/aa31200-17.html
Issn Identifier
0004-6361
Ads BibCode
2017A&A...606A..59H
Rights
open.access
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