Dust InfraRed Toolbox Radiation Transfer Models


The envelope models contained in DIRT are based on the transfer code of Wolfire & Cassinelli 1986, ApJ, 310, 207. The code solves for the grain temperatures and the emitted spectral energy distribution of a spherical dust shell under the constraints of thermal and radiative equilibrium.

The envelope model inputs are the

The envelope model outputs include:

The radiation transfer is carried out using a variable Eddington factor method. Scattering at all wavelengths is included. We use a variable radial grid of between 100 and 200 points and 73 frequencies. The models are considered converged when the bolometric luminosity is conserved to within 3 percent at every radial grid point.

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Please direct comments, criticisms, corrections and contributions to Marc Pound
Page last modified: Tuesday, 10-Jun-2003 14:24:15 EDT.