HEWITT, John W.; LEMOINE-GOUMARD, Marianne

doi:10.1016/j.crhy.2015.08.015

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HEWITT, John W.

LEMOINE-GOUMARD, Marianne
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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Comptes Rendus. Physique. 2015, vol. 16, p. 674-685

Académie des sciences (Paris)

Résumé en anglais

In the past few years, gamma-ray astronomy has entered a golden age thanks to two major breakthroughs: Cherenkov telescopes on the ground and the Large Area Telescope (LAT) onboard the Fermi satellite. The sample of supernova remnants (SNRs) detected at gamma-ray energies is now much larger: it goes from evolved supernova remnants interacting with molecular clouds up to young shell-type supernova remnants and historical supernova remnants. Studies of SNRs are of great interest, as these analyses are directly linked to the long standing issue of the origin of the Galactic cosmic rays. In this context, pulsar wind nebulae (PWNe) need also to be considered since they evolve in conjunction with SNRs. As a result, they frequently complicate interpretation of the gamma-ray emission seen from SNRs and they could also contribute directly to the local cosmic ray spectrum, particularly the leptonic component. This paper reviews the current results and thinking on SNRs and PWNe and their connection to cosmic ray production.< Réduire

Mots clés en anglais

Cosmic rays

Supernova remnants

Pulsar wind nebulae

Rayons cosmiques

Vestiges de supernovae

Nébuleuses de pulsar

gamma ray: energy

gravitation

cosmic radiation: spectrum

cosmic radiation: galaxy

gamma ray: emission

supernova

cosmic radiation: energy spectrum

pulsar

interaction

satellite

cloud

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Observations of supernova remnants and pulsar wind nebulae at gamma-ray energies

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