Dependence of the gamma-ray emission from SN 1006 on the astronomical parameters

Details Dependence of the gamma-ray emission from SN 1006 on the astronomical parameters Dependence of the gamma-ray emission from SN 1006 on the astronomical parameters

2005-08-15

arxiv.org/abs/astro-ph/0508318v1

Astron.Astrophys. 443 (2005) 973-980

Astronomy and Astrophysics

Astrophysics

10 pages, 8 figures, to be published in Astronomy and Astrophysics

Scientific paper

10.1051/0004-6361:20053056

We use nonlinear kinetic theory to study the remnant dynamics and the particle acceleration as well as the properties of the nonthermal emission from the supernova remnant SN 1006. The known range of astronomical parameters is examined to determine whether it encompasses the existing synchrotron emission data. Given the present-day spatial extent and expansion rate of the object, it is shown that the hadronic gamma-ray flux is very sensitive to the ambient gas density N_H and that the existing H.E.S.S. upper limit requires N_H < 0.1 cm^{-3}. The strength of the amplified magnetic field downstream of the shock is about 150 \mu G.

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