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astro-ph2000
Are Silicon Nanoparticles an Interstellar Dust Component?
Aigen Li, B. T. Draine
Silicon nanoparticles (SNPs) have been proposed as the source of the observed "extended red emission" (ERE) from interstellar dust. We calculate the thermal emission expected from…
astro-ph2000
Excitation of H_2 and HD in shocks and PDRs
F. Bertoldi, B. T. Draine, D. Rosenthal +5
Photodissociation regions (PDRs) and shocks give rise to conspicuous emission from rotationally and vibrationally excited molecular hydrogen. This line emission has now been studie…
astro-ph2000
User Guide for the Discrete Dipole Approximation Code DDSCAT (Version 5a10)
B. T. Draine, Piotr J. Flatau
DDSCAT.5a is a freely available software package which applies the "discrete dipole approximation" (DDA) to calculate scattering and absorption of electromagnetic waves by targets…