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Multiwavelength campaign on the HBL PKS 2155-304 : A new insight on its spectral energy distribution

Abstract : The blazar PKS~2155-304 was the target of a multiwavelength campaign from June to October 2013 which widely improves our knowledge of its spectral energy distribution. This campaign involved the NuSTAR satellite (3-79 keV), the Fermi Large Area Telescope (LAT, 100~MeV-300~GeV) and the High Energy Stereoscopic System (H.E.S.S.) array phase II (with an energy threshold of few tens of GeV). While the observations with NuSTAR extend the X-ray spectrum to higher energies than before, H.E.S.S. phase II, together with the use of the LAT PASS 8, enhance the coverage of the γ-ray regime with an unprecedented precision. In this work, preliminary results from the multi-wavelength analysis are presented.
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http://hal.in2p3.fr/in2p3-01121730
Contributor : Claudine Bombar <>
Submitted on : Monday, March 2, 2015 - 2:43:19 PM
Last modification on : Wednesday, July 22, 2020 - 9:54:22 AM

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  • HAL Id : in2p3-01121730, version 1
  • ARXIV : 1502.02915

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D.A. Sanchez, B. Giebels, D. Zaborov, R. D. Parsons, G. M. Madejski, et al.. Multiwavelength campaign on the HBL PKS 2155-304 : A new insight on its spectral energy distribution. 5th International Fermi Symposium, Oct 2014, Nagoya, Japan. ⟨in2p3-01121730⟩

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