BRION, E.

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BRION, E.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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Société Française d'Astronomie et d'Astrophysique Scientific Highlights 2004, Société Française d'Astronomie et d'Astrophysique Scientific Highlights 2004, 2004-06-14, Paris. 2004p. 423

EDP Sciences

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The CELESTE atmospheric Cherenkov detector ran until June 2004. It has detected several gamma-ray flares of Mrk 421 since 1999. The new data analysis provides better background rejection. We compare our light curves with X-ray data. We significantly improved our understanding of the atmosphere, and of the optical throughput of the detector. This will allow a spectral measurement for Mrk 421 with smaller uncertainties and a more sensitive search for a signal from Mrk 501.< Leer menos

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Centre d'Études Nucléaires de Bordeaux Gradignan (CENBG)