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Probing the effects of hadronic acceleration at the SN 1006 shock front

Published online by Cambridge University Press:  29 January 2014

Marco Miceli ,
F. Bocchino ,
A. Decourchelle ,
G. Maurin ,
J. Vink ,
S. Orlando ,
F. Reale  and
S. Broersen
Marco Miceli
Affiliation:
INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy email: [email protected]
F. Bocchino
Affiliation:
INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy email: [email protected]
A. Decourchelle
Affiliation:
Service d'Astrophysique/IRFU/DSM, CEA Saclay, Gif-sur-Yvette, France
G. Maurin
Affiliation:
Université de Savoie, 27 rue Marcoz, BP 1107 73011-Chambery cedex, France
J. Vink
Affiliation:
Astronomical Institute “Anton Pannekoek”, University of Amsterdam, P.O. Box 94249, 1090 GE Amsterdam, The Netherlands
S. Orlando
Affiliation:
INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy email: [email protected]
F. Reale
Affiliation:
INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy email: [email protected] Dipartimento di Fisica e Chimica, Università di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy
S. Broersen
Affiliation:
Astronomical Institute “Anton Pannekoek”, University of Amsterdam, P.O. Box 94249, 1090 GE Amsterdam, The Netherlands
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Abstract

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Supernova remnant shocks are strong candidates for being the source of energetic cosmic rays and hadron acceleration is expected to increase the shock compression ratio, providing higher post-shock densities. We exploited the deep observations of the XMM-Newton Large Program on SN 1006 to verify this prediction. Spatially resolved spectral analysis led us to detect X-ray emission from the shocked ambient medium in SN 1006 and to find that its density significantly increases in regions where particle acceleration is efficient. Our results provide evidence for the effects of acceleration of cosmic ray hadrons on the post-shock plasma in supernova remnants.

Keywords

X-rays: ISM – ISM: supernova remnants – ISM: individual object: SN 1006
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S296: Supernova Environmental Impacts , January 2013 , pp. 315 - 319
Copyright
Copyright © International Astronomical Union 2014 

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