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Title:
Supernova remnant revolution in an inhomogeneous medium. I - Numerical models
Authors:
Cowie, L. L.; McKee, C. F.; Ostriker, J. P.
Affiliation:
AA(Princeton University, New Observatory, Princeton, NJ; California Institute of Technology, Pasadena, CA), AB(California, University, Berkeley, CA), AC(Princeton University, New Observatory, Princeton, NJ)
Publication:
Astrophysical Journal, Part 1, vol. 247, Aug. 1, 1981, p. 908-924. (ApJ Homepage)
Publication Date:
08/1981
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Astronomical Models, Interstellar Gas, Mathematical Models, Nebulae, Stellar Evolution, Supernova Remnants, Anisotropic Media, Continuity Equation, Equations Of Motion, Gas Density, Gas Temperature
DOI:
10.1086/159100
Bibliographic Code:
1981ApJ...247..908C

Abstract

The first numerical simulations of supernova remnant evolution in an inhomogeneous gas are presented. Evolution in the lowest density substrate (the intercloud) is assumed to be spherically symmetric with a large intercloud filling factor and many dense regions (clouds) within the remnant; however, mass momentum and energy transfer between cloud and intercloud are included and the position and morphology of individual clouds tracked. Evolution is considered in several different models of the interstellar medium, both those in which the intercloud gas is diffuse (0.001 to 0.01/cu cm) and those in which it is relatively dense (n approximately 0.3/cu cm) under a variety of assumptions about the efficiency of thermal evaporation from the clouds into the intercloud medium.

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