Numerical evolutionary models of planetary nebulae

Details Numerical evolutionary models of planetary nebulae Numerical evolutionary models of planetary nebulae

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pazh....9..296y&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 9, May 1983, p. 296-301) Soviet Astronomy Letters (ISSN 0360-0327), vol. 9, May-June 19

Astronomy and Astrophysics

Astronomy

4

Astronomical Models, Planetary Nebulae, Stellar Evolution, Mathematical Models, Radiation Pressure, Stellar Mass Ejection, Stellar Winds

Scientific paper

Evolutionary sequences of spherically symmetric numerical models simulating planetary nebulae have been calculated, covering the period from envelope detachment to dispersal. The dynamical effects of the stellar radiation pressure on the dust, the ionization front, and the high-speed stellar superwind are included. The infrared and radio spectra of the emergent radiation are determined. These models indicate the general evolutionary behavior of the dynamical properties and the continuous spectrum of a planetary. Comparison against the observed sepctrum of NGC 7027 and the empirical relation between the radius and expansion velocity of planetaries supports the relevance of the models to analysis of observational data.

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