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Description
  • 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).
  • 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). (en)
Title
  • Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with HESS
  • Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with HESS (en)
skos:prefLabel
  • Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with HESS
  • Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with HESS (en)
skos:notation
  • RIV/00216208:11320/13:10191276!RIV14-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, Z(MSM0021620859)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 86790
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/13:10191276
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • BL Lacertae objects: general; cosmic background radiation; gamma rays: galaxies (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • FR - Francouzská republika
http://linked.open...ontrolniKodProRIV
  • [CCC652C6A86F]
http://linked.open...i/riv/nazevZdroje
  • Astronomy and Astrophysics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 550
http://linked.open...iv/tvurceVysledku
  • Abramowski, A.
  • Acero, F.
  • Aharonian, F.
  • Nedbal, Dalibor
  • Akhperjanian, A. G.
  • Rob, L.
  • Brun, F.
  • Boisson, C.
  • Anton, G.
  • Balenderan, S.
  • Balzer, A.
  • Barnacka, A.
  • Becherini, Y.
  • Bernloehr, K.
  • Birsin, E.
  • Biteau, J.
  • Bochow, A.
  • Bolmont, J.
  • Bordas, P.
  • Brucker, J.
  • Brun, P.
  • Bulik, T.
  • Carrigan, S.
  • Casanova, S.
  • Cerruti, M.
  • Chadwick, P. M.
  • Charbonnier, A.
  • Chaves, R. C. G.
  • Cheesebrough, A.
  • Cologna, G.
  • Conrad, J.
  • Tjus, J. Becker
http://linked.open...ain/vavai/riv/wos
  • 000314879700004
http://linked.open...n/vavai/riv/zamer
issn
  • 0004-6361
number of pages
http://bibframe.org/vocab/doi
  • 10.1051/0004-6361/201220355
http://localhost/t...ganizacniJednotka
  • 11320
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