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The ‘Isothermal’ Phase of Nova Dust Shells

Published online by Cambridge University Press:  12 April 2016

R.M. Mitchel ,
A. Evans  and
M.F. Bode
R.M. Mitchel
Affiliation:
Dept. of Applied Mathematics, Queen Mary College, London U.K.
A. Evans
Affiliation:
Dept. of Physics, University of Keele, Staffordshire, U.K.
M.F. Bode
Affiliation:
Dept. of Physics, University of Keele, Staffordshire, U.K.

Abstract

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We describe a model for the evolution of the infrared spectrum of the dust shell of nova NQ Vul. The effects of nucleation and grain growth, together with.extended, but diminishing, mass loss from the nova, are included. The variations in the effective temperature of the dust shell that occur near infrared maximum may be understood in terms of varying optical depth in a dust shell having significant temperature gradient. However, a more consistent picture is shown to combine interrelated optical depth and grain size variations.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 72: Cataclysmic Variables and Related Objects , 1983 , pp. 133 - 138
Copyright
Copyright © Reidel 1983

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