Hydrodynamic model computations for planetary nebula

Details Hydrodynamic model computations for planetary nebula Hydrodynamic model computations for planetary nebula

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phdt.........1z&link_type=abstract

Thesis Tuebingen Univ. (Germany, F.R.). Astronomisches Inst.

Statistics

Computation

Computation, Hydrodynamics, Models, Planetary Nebulae, Dust, Gravitation, Red Giant Stars, Stellar Envelopes, Stellar Radiation

Scientific paper

It is shown that the temporal development of a planetary nebula depends strongly on the selected initial model. Observations of various nebulae in different development stages are necessary in order to be able to compare the temporal development of a calculated planetary nebula with existing ones. Observations in all wavelength fields are of interest. In the initial stage the Red Giant Envelope (RGE) possesses a high proportion of dust and molecules, enabling it to be observed by radio and infrared measurements. When the RGE is ionized by the radiation of the central star, optical observations are possible. The theoretical treatment of the radiation emitted by the hot central star is considered.

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