Showing astro-phShow all
3 papers · 1 filter
astro-ph2003
On the Feasibility of Disk Chemical Modeling
Dmitry Semenov, Yaroslav Pavluchenkov, Thomas Henning +2
In this paper, we compare the results of the modeling of a protoplanetary disk chemical evolution obtained with the UMIST95 and ``New Standard Model'' (NSM) chemical databases. Ass…
astro-ph2000
Modelling of Polarization Properties of Cometary Dust Grains
D. A. Semenov, N. V. Voshchinnikov
Observational data for dusty comets are summarized and systemized. The dependence of the linear polarization on various parameters (the phase angle, wavelength, etc.) is analyzed.…
astro-ph1999
The temperature of non-spherical interstellar grains
N. V. Voshchinnikov, D. A. Semenov, Th. Henning
A model of spheroidal particles is used to calculate the steady-state temperature of dust grains immersed in the interstellar radiation field. It is found that the temperature of n…