The expected morphology of the solar system planetary nebula

Details The expected morphology of the solar system planetary nebula The expected morphology of the solar system planetary nebula

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasp..106...59s&link_type=abstract

Publications of the Astronomical Society of the Pacific, vol. 106, no. 695, p. 59-62

Astronomy and Astrophysics

Astronomy

18

Asymptotic Giant Branch Stars, Hydrodynamics, Jupiter (Planet), Orbit Calculation, Planetary Evolution, Planetary Nebulae, Planetary Orbits, Solar System, Stellar Evolution, Stellar Mass, Sun, Angular Momentum, Stellar Envelopes, Planets, Solar System, Morphology, Nebula, Jupiter, Orbit, Evolution, Angular Momentum, Theoretical Studies, Calculations, Sun-Jupiter System, Celestial Mechanics, Planetary Systems, Parameters, Stars, Symmetry, Mass, Hydrodynamics

Scientific paper

We examine the evolution of Jupiter's orbit as the Sun evolves to form a planetary nebula. We use an orbital synchronization mechanism, which was proposed by Tassoul (1987, ApJ, 322, 856), and find that Jupiter is likely to deposit a substantial fraction of its orbital angular momentum, in spinning-up the Sun, when the latter is on the upper Asymptotic Giant Branch (AGB). This amount of angular momentum is likely to cause some small degree of axisymmetric mass loss from the Sun. In this case, the Sun will form an elliptical planetary nebula. The formation of elliptical planetary nebulae with the influence of massive planets and brown dwarfs, may explain the large fraction of elliptical planetary nebulae among the total number of planetary nebulae known today.

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