Statistics – Computation
Scientific paper
Jan 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...142..441o&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 142, no. 2, Jan. 1985, p. 441-450. Sponsorship: Deutsche Forschungsgemeinschaf
Statistics
Computation
54
Astronomical Models, Planetary Nebulae, Stellar Evolution, Computational Astrophysics, Cosmic Dust, Cosmic Gases, Hydrodynamic Equations, Ionization Potentials, Radiation Pressure, Stellar Mass Ejection, Stellar Winds
Scientific paper
Evolutionary sequences of planetary nebulae (PN) were calculated numerically beginning from the moment of PN envelope detachment to its dissipation. Gas and dust were treated as two separate hydrodynamical components and the equations for their motion were solved simultaneously with the frequency and angle dependent equations of radiation transfer in spherical symmetry. Radiation pressure on the dust component, the motion of the ionization front and the effect of a fast stellar wind were also included in the numerical calculations. Spectra of the outgoing radiation are presented for the infrared and radio frequency ranges. The general outline of PN evolution is discussed and comparisons with some observations are made.
Okorokov V. A.
Shustov Boris M.
Tutukov Aleksandr V.
Yorke Harold W.
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