HAL : in2p3-00368520, version 1

Code Bibliographique ADS : 2008AIPC.1085..316T

DOI : 10.1063/1.3076670

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4th International Meeting on High Energy Gamma-Ray Astronomy, Heidelberg : Germany (2008)

H.E.S.S. Observations of the Young Composite SNR Kes 75

R. Terrier1, A. Djannati-Ataï1, S. Hoppe2, V. Marandon1, M. Renaud2, O. De Jager3

(12/2008)

The composite supernova remnant (SNR) kes 75 harbors a bright pulsar wind nebula (PWN) powered by a young and energetic high magnetic field pulsar, which has recently been the subject of magnetar-like bursts. Besides, intense thermal X-ray emission from the remnant shell indicates that high density ambient matter is currently swept-up by the supernova shock. Observations of Kes 75 in the TeV range is therefore important because it probes the young PWN physics as well as cosmic ray acceleration in SNR shells because of the large target density for pion production and decay. H.E.S.S. has detected very high energy emission (VHE) from this object. We present an updated analysis of this object and discuss the actual origin of the VHE emission and the physical implications of this detection for the PWN and cosmic-ray (CR) acceleration by the SNR shell.

1 :	APC - AstroParticule et Cosmologie
2 :	MPI-K - Max-Planck-Institut fuer Kernphysik, Heidelberg
3 :	Unit for Space Physics, North-West University, South-Africa

équipe(s) de recherche : APC - AHE

Thème(s)

:

Physique/Astrophysique/Phénomènes cosmiques de haute energie Planète et Univers/Astrophysique/Phénomènes cosmiques de haute energie

Mot(s)-clé(s) : astronomical telescopes – pulsars – X-ray emission spectra – supernova remnants

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Soumis le : Lundi 16 Mars 2009, 17:02:05

Dernière modification le : Samedi 23 Juin 2012, 14:35:51