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L'expérience CELESTE: Reconversion d'une centrale solaire pour l'astronomie gamma. Première observation de la Nébuleuse du Crabe et du Blazar Markarian~421 entre 30 et 300 GeV.

Abstract : The CELESTE experiment is the name given to the Thémis solar plant after its transformation into a large telescope for very high energy astronomy. This project was initiated by Eric Paré, who was also the Director of this thesis up to his accidental death in July 1998. The thesis describes the work for the installation and running-in of the complex optical detection device located in place of the former furnace, at the top of the tower of the solar plant. This system allows the detection during moonless nights of atmospheric showers produced by gamma rays impinging upon the earth from the cosmos. The thesis concludes with the first observations ever done of gamma rays of about 50 GeV produced by two different cosmic sources, a Galactic object, the Crab nebula, on the one hand, and an extra-galactic super-massive black hole, Markarian~421, on the other hand.
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https://tel.archives-ouvertes.fr/tel-00004261
Contributor : Mathieu de Naurois <>
Submitted on : Wednesday, January 21, 2004 - 12:35:34 PM
Last modification on : Friday, May 29, 2020 - 4:02:19 PM
Long-term archiving on: : Friday, April 2, 2010 - 7:14:00 PM

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  • HAL Id : tel-00004261, version 1

Citation

Mathieu de Naurois. L'expérience CELESTE: Reconversion d'une centrale solaire pour l'astronomie gamma. Première observation de la Nébuleuse du Crabe et du Blazar Markarian~421 entre 30 et 300 GeV.. Cosmologie et astrophysique extra-galactique [astro-ph.CO]. Université Pierre et Marie Curie - Paris VI, 2000. Français. ⟨tel-00004261⟩

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