Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...153...79v&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 153, no. 1, Dec. 1985, p. 79-90.
Astronomy and Astrophysics
Astrophysics
93
Interstellar Matter, Planetary Nebulae, Stellar Mass Ejection, Stellar Winds, Ionization, Radiant Cooling, Red Giant Stars, Wind Velocity
Scientific paper
The dynamical evolution of planetary nebulae is considered under the interacting-stellar-winds model. Analytical solutions to the dynamical equations are obtained assuming energy-conserving interaction. The authors have also investigated the effects of radiative cooling and the possible variation of the stellar wind from the central star. More realistic numerical calculations are performed taking into account the evolution of the central star using the model results of Schönberner (1983). The time dependences of the mass loss rate and velocity of the central-star wind is also included. The evolution of the ionization structure is obtained together with predictions of the evolution of X-ray and radio emissions from the nebulae.
Kwok Sun
Volk Kathryn
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