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Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with HESS
- Abramowski, A. (author)
- Acero, F. (author)
- Aharonian, F. (author)
- show more...
- Akhperjanian, A. G. (author)
- Anton, G. (author)
- Balenderan, S. (author)
- Balzer, A. (author)
- Barnacka, A. (author)
- Becherini, Yvonne (author)
- Tjus, J. Becker (author)
- Bernloehr, K. (author)
- Birsin, E. (author)
- Biteau, J. (author)
- Bochow, A. (author)
- Boisson, C. (author)
- Bolmont, J. (author)
- Bordas, P. (author)
- Brucker, J. (author)
- Brun, F. (author)
- Brun, P. (author)
- Bulik, T. (author)
- Carrigan, S. (author)
- Casanova, S. (author)
- Cerruti, M. (author)
- Charbonnier, A. (author)
- Chaves, R. C. G. (author)
- Cheesebrough, A. (author)
- Cologna, G. (author)
- Couturier, C. (author)
- Dalton, M. (author)
- Daniel, M. K. (author)
- Davids, I. D. (author)
- Degrange, B. (author)
- Deil, C. (author)
- deWilt, P. (author)
- Djannati-Atai, A. (author)
- Domainko, W. (author)
- Drury, L. O 'C. (author)
- Dubus, G. (author)
- Dutson, K. (author)
- Dyks, J. (author)
- Dyrda, M. (author)
- Egberts, K. (author)
- Eger, P. (author)
- Espigat, P. (author)
- Fallon, L. (author)
- Fegan, S. (author)
- Feinstein, F. (author)
- Fernandes, M. V. (author)
- Fernandez, D. (author)
- Fiasson, A. (author)
- Fontaine, G. (author)
- Foerster, A. (author)
- Fuessling, M. (author)
- Gajdus, M. (author)
- Gallant, Y. A. (author)
- Garrigoux, T. (author)
- Gast, H. (author)
- Giebels, B. (author)
- Glicenstein, J. F. (author)
- Glueck, B. (author)
- Goering, D. (author)
- Grondin, M. -H (author)
- Haeffner, S. (author)
- Hague, J. D. (author)
- Hahn, J. (author)
- Hampf, D. (author)
- Harris, J. (author)
- Heinz, S. (author)
- Heinzelmann, G. (author)
- Henri, G. (author)
- Hermann, G. (author)
- Hillert, A. (author)
- Hinton, J. A. (author)
- Hofmann, W. (author)
- Hofverberg, P. (author)
- Holler, M. (author)
- Horns, D. (author)
- Jacholkowska, A. (author)
- Jahn, C. (author)
- Jamrozy, M. (author)
- Jung, I. (author)
- Kastendieck, M. A. (author)
- Katarzynski, K. (author)
- Katz, U. (author)
- Kaufmann, S. (author)
- Khelifi, B. (author)
- Klochkov, D. (author)
- Kluzniak, W. (author)
- Kneiske, T. (author)
- Komin, Nu. (author)
- Kosack, K. (author)
- Kossakowski, R. (author)
- Krayzel, F. (author)
- Laffon, H. (author)
- Lamanna, G. (author)
- Lenain, J. -P (author)
- Lennarz, D. (author)
- Lohse, T. (author)
- Lopatin, A. (author)
- Lu, C. -C (author)
- Marandon, V. (author)
- Marcowith, A. (author)
- Masbou, J. (author)
- Maurin, G. (author)
- Maxted, N. (author)
- Mayer, M. (author)
- McComb, T. J. L. (author)
- Medina, M. C. (author)
- Mehault, J. (author)
- Menzler, U. (author)
- Moderski, R. (author)
- Mohamed, M. (author)
- Moulin, E. (author)
- Naumann, C. L. (author)
- Naumann-Godo, M. (author)
- de Naurois, M. (author)
- Nedbal, D. (author)
- Nguyen, N. (author)
- Niemiec, J. (author)
- Nolan, S. J. (author)
- Ohm, S. (author)
- Wilhelmi, E. de Ona (author)
- Opitz, B. (author)
- Ostrowski, M. (author)
- Oya, I. (author)
- Panter, M. (author)
- Parsons, D. (author)
- Arribas, M. Paz (author)
- Pekeur, N. W. (author)
- Pelletier, G. (author)
- Perez, J. (author)
- Petrucci, P. -O (author)
- Peyaud, B. (author)
- Pita, S. (author)
- Puehlhofer, G. (author)
- Quirrenbach, A. (author)
- Raue, M. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Renaud, M. (author)
- de los Reyes, R. (author)
- Rieger, F. (author)
- Rob, L. (author)
- Rosier-Lees, S. (author)
- Rowell, G. (author)
- Rudak, B. (author)
- Rulten, C. B. (author)
- Sahakian, V. (author)
- Sanchez, D. A. (author)
- Santangelo, A. (author)
- Schlickeiser, R. (author)
- Schulz, A. (author)
- Schwanke, U. (author)
- Schwarzburg, S. (author)
- Schwemmer, S. (author)
- Sheidaei, F. (author)
- Skilton, J. L. (author)
- Sol, H. (author)
- Spengler, G. (author)
- Stawarz, L. (author)
- Steenkamp, R. (author)
- Stegmann, C. (author)
- Stinzing, F. (author)
- Stycz, K. (author)
- Sushch, I. (author)
- Szostek, A. (author)
- Tavernet, J. -P (author)
- Terrier, R. (author)
- Tluczykont, M. (author)
- Valerius, K. (author)
- van Eldik, C. (author)
- Vasileiadis, G. (author)
- Venter, C. (author)
- Viana, A. (author)
- Vincent, P. (author)
- Voelk, H. J. (author)
- Volpe, F. (author)
- Vorobiov, S. (author)
- Vorster, M. (author)
- Wagner, S. J. (author)
- Ward, M. (author)
- White, R. (author)
- Wierzcholska, A. (author)
- Wouters, D. (author)
- Zacharias, M. (author)
- Zajczyk, A. (author)
- Zdziarski, A. A. (author)
- Zech, A. (author)
- Zechlin, H. -S (author)
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- (creator_code:org_t)
- 2013-01-15
- 2013
- English.
- In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 550, s. A4-
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The extragalactic background light (EBL) is the diffuse radiation with the second highest energy density in the Universe after the cosmic microwave background. The aim of this study is the measurement of the imprint of the EBL opacity to.-rays on the spectra of the brightest extragalactic sources detected with the High Energy Stereoscopic System (H. E. S. S.). The originality of the method lies in the joint fit of the EBL optical depth and of the intrinsic spectra of the sources, assuming intrinsic smoothness. Analysis of a total of similar to 10(5) gamma-ray events enables the detection of an EBL signature at the 8.8 sigma level and constitutes the first measurement of the EBL optical depth using very-high energy (E > 100 GeV) gamma-rays. The EBL flux density is constrained over almost two decades of wavelengths [0.30 mu m, 17 mu m] and the peak value at 1.4 mu m is derived as lambda F-lambda = 15 +/- 2(stat) +/- 3(sys) nW m(-2) sr(-1).
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- gamma rays: galaxies
- cosmic background radiation
- BL Lacertae objects: general
- Astropartikelfysik
- Astroparticle Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Abramowski, A.
- Acero, F.
- Aharonian, F.
- Akhperjanian, A. ...
- Anton, G.
- Balenderan, S.
- show more...
- Balzer, A.
- Barnacka, A.
- Becherini, Yvonn ...
- Tjus, J. Becker
- Bernloehr, K.
- Birsin, E.
- Biteau, J.
- Bochow, A.
- Boisson, C.
- Bolmont, J.
- Bordas, P.
- Brucker, J.
- Brun, F.
- Brun, P.
- Bulik, T.
- Carrigan, S.
- Casanova, S.
- Cerruti, M.
- Punch, Michael
- Charbonnier, A.
- Chaves, R. C. G.
- Cheesebrough, A.
- Cologna, G.
- Conrad, Jan
- Couturier, C.
- Dalton, M.
- Daniel, M. K.
- Davids, I. D.
- Degrange, B.
- Deil, C.
- deWilt, P.
- Dickinson, Hugh ...
- Djannati-Atai, A ...
- Domainko, W.
- Drury, L. O 'C.
- Dubus, G.
- Dutson, K.
- Dyks, J.
- Dyrda, M.
- Egberts, K.
- Eger, P.
- Espigat, P.
- Fallon, L.
- Farnier, Christi ...
- Fegan, S.
- Feinstein, F.
- Fernandes, M. V.
- Fernandez, D.
- Fiasson, A.
- Fontaine, G.
- Foerster, A.
- Fuessling, M.
- Gajdus, M.
- Gallant, Y. A.
- Garrigoux, T.
- Gast, H.
- Giebels, B.
- Glicenstein, J. ...
- Glueck, B.
- Goering, D.
- Grondin, M. -H
- Haeffner, S.
- Hague, J. D.
- Hahn, J.
- Hampf, D.
- Harris, J.
- Heinz, S.
- Heinzelmann, G.
- Henri, G.
- Hermann, G.
- Hillert, A.
- Hinton, J. A.
- Hofmann, W.
- Hofverberg, P.
- Holler, M.
- Horns, D.
- Jacholkowska, A.
- Jahn, C.
- Jamrozy, M.
- Jung, I.
- Kastendieck, M. ...
- Katarzynski, K.
- Katz, U.
- Kaufmann, S.
- Khelifi, B.
- Klochkov, D.
- Kluzniak, W.
- Kneiske, T.
- Komin, Nu.
- Kosack, K.
- Kossakowski, R.
- Krayzel, F.
- Laffon, H.
- Lamanna, G.
- Lenain, J. -P
- Lennarz, D.
- Lohse, T.
- Lopatin, A.
- Lu, C. -C
- Marandon, V.
- Marcowith, A.
- Masbou, J.
- Maurin, G.
- Maxted, N.
- Mayer, M.
- McComb, T. J. L.
- Medina, M. C.
- Mehault, J.
- Menzler, U.
- Moderski, R.
- Mohamed, M.
- Moulin, E.
- Naumann, C. L.
- Naumann-Godo, M.
- de Naurois, M.
- Nedbal, D.
- Nguyen, N.
- Niemiec, J.
- Nolan, S. J.
- Ohm, S.
- Wilhelmi, E. de ...
- Opitz, B.
- Ostrowski, M.
- Oya, I.
- Panter, M.
- Parsons, D.
- Arribas, M. Paz
- Pekeur, N. W.
- Pelletier, G.
- Perez, J.
- Petrucci, P. -O
- Peyaud, B.
- Pita, S.
- Puehlhofer, G.
- Quirrenbach, A.
- Raue, M.
- Reimer, A.
- Reimer, O.
- Renaud, M.
- de los Reyes, R.
- Rieger, F.
- Ripken, Joachim
- Rob, L.
- Rosier-Lees, S.
- Rowell, G.
- Rudak, B.
- Rulten, C. B.
- Sahakian, V.
- Sanchez, D. A.
- Santangelo, A.
- Schlickeiser, R.
- Schulz, A.
- Schwanke, U.
- Schwarzburg, S.
- Schwemmer, S.
- Sheidaei, F.
- Skilton, J. L.
- Sol, H.
- Spengler, G.
- Stawarz, L.
- Steenkamp, R.
- Stegmann, C.
- Stinzing, F.
- Stycz, K.
- Sushch, I.
- Szostek, A.
- Tavernet, J. -P
- Terrier, R.
- Tluczykont, M.
- Valerius, K.
- van Eldik, C.
- Vasileiadis, G.
- Venter, C.
- Viana, A.
- Vincent, P.
- Voelk, H. J.
- Volpe, F.
- Vorobiov, S.
- Vorster, M.
- Wagner, S. J.
- Ward, M.
- White, R.
- Wierzcholska, A.
- Wouters, D.
- Zacharias, M.
- Zajczyk, A.
- Zdziarski, A. A.
- Zech, A.
- Zechlin, H. -S
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