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Radiative Transfer in Clumpy and Fractal Media
Frank Varosi, Eli Dwek
A Monte Carlo model of radiative transfer in multi-phase dusty media is applied to the situation of stars and clumpy dust in a sphere or a disk. The distribution of escaping and ab…
Analytical Approximations for Calculating the Escape and Absorption of Radiation in Clumpy Dusty Environments
Frank Varosi, Eli Dwek
We present analytical approximations for calculating the scattering, absorption and escape of nonionizing photons from a spherically symmetric two-phase clumpy medium, with either…
A Tentative Detection of the Cosmic Infrared Background at 3.5 microns Using COBE/DIRBE Observations
E. Dwek, R. G. Arendt
Foreground emission and scattered light from interplanetary dust (IPD) particles and emission from Galactic stellar sources are the greatest obstacles for determining the cosmic in…
Newly Synthesized Elements and Pristine Dust in the Cassiopeia A Supernova Remnant
R. G. Arendt, E. Dwek, S. H. Moseley
Spectroscopic observations at 2.4 - 45 microns of the young supernova remnant Cas A with the Infrared Space Observatory (ISO) Short Wavelength Spectrometer (SWS) reveal strong emis…