An MHD study of SN 1006 and determination of the ambient magnetic field direction

Details An MHD study of SN 1006 and determination of the ambient magnetic field direction An MHD study of SN 1006 and determination of the ambient magnetic field direction

2010-06-06

arxiv.org/abs/1006.1150v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

7 pages, 5 figures, accepted by MNRAS

Scientific paper

In this work we employ an MHD numerical code to reproduce the morphology observed for SN 1006 in radio synchrotron and thermal X-ray emission. We introduce a density discontinuity, in the form of a flat cloud parallel to the Galactic Plane, in order to explain the NW filament observed in optical wavelengths and in thermal X-rays. We compare our models with observations. We also perform a test that contrasts the radio emitting bright limbs of the SNR against the central region, finding additional support to our results. Our main conclusion is that the most probable direction of the ambient magnetic field is on average perpendicular to the Galactic Plane.

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