Physics
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...128...53g&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 128, no. 1, Nov. 1983, p. 53-63. Research supported by the European Southern O
Physics
22
Atmospheric Physics, Protostars, Shock Wave Propagation, Stellar Atmospheres, Atmospheric Models, Hydrogen, Molecular Gases, Photodissociation
Scientific paper
This paper deals with the problems of determining the structure of radiative shocks in dense (1015 - 1021 particles per m3), cool (500 - 5000K) atomic and molecular media such as protostars and cool star atmospheres. First, the authors deal with the physical processes. Then, they discuss how the radiation produced in the shocked gas downstream changes the properties and the chemical composition of the stellar gas in the precursor. The authors give a qualitative description and a quantitative model for the precursor. They investigate the influence of the radiation on the physical parameters just behind the front. The authors give the modified Rankine-Hugoniot jump relations and compare the corresponding results to those obtained with standard relations. Finally, they give some concluding remarks.
Gillet Denis
Lafon Jean-Pierre J.
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