Thermal Conduction and the Production of Mixed-Morphology Supernova Remnants

Details Thermal Conduction and the Production of Mixed-Morphology Supernova Remnants Thermal Conduction and the Production of Mixed-Morphology Supernova Remnants

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20717201t&link_type=abstract

American Astronomical Society Meeting 207, #172.01; Bulletin of the American Astronomical Society, Vol. 37, p.1435

Astronomy and Astrophysics

Astronomy

Scientific paper

There are several processes that can contribute to the development of mixed-morphology supernova remnants, including equilibrium and non-equilibrium cooling, thermal conduction, and cloud entrainment. In this paper, we examine the role of equilibrium cooling and thermal conduction as they participate together in the process of cooling down the interiors of supernova remnants. In the presence of a magnetic field the conduction of heat can be anisotropic, as the high-energy electrons that are responsible for much of the energy transfer preferentially spiral along the magnetic field lines, thereby reducing the rate of energy transport perpendicular to the field. Coupled with the dynamical influence of the magnetic field on the gas, this can greatly affect the morphology of the remnant. We examine the effects of anisotropic thermal conduction on the evolution of a supernova remnant in a magnetized interstellar medium. We would like to acknowledge NSF grants AST-0132246 and PHY02-16783.

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