Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ap%26ss.299..177p&link_type=abstract
Astrophysics and Space Science, Volume 299, Issue 2, pp.177-201
Astronomy and Astrophysics
Astrophysics
2
Binaries, Close-Subdwarfs, Radiative Transfer, Instability
Scientific paper
We report on our results of modelling the physical processes in the uppermost layers of strongly irradiated atmospheres of low mass unevolved companions in Precataclysmic Binaries (PCBs). Reprocessing of Lyman continuum L c radiation from the hot subdwarf (sdw) primary is studied in detail. We solve explicitly a set of equations of hydrostatic, ionization and thermal equilibrium to calculate the intensity of the reprocessed emergent radiation in recombinations for an optically thin plasma. We consider contributions from free-free and bound-free transitions. Diffuse radiation is taken into account, but the effects of self-absorption of the re-emitted radiation are neglected.
Pustylnik Izold
Pustynski Vladislav
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