Extrasolar Planets and the Rotation and Axisymmetrical mass loss of evolved stars

Abstract

I examine the implications of the recently found extrasolar planets on the planet-induced axisymmetrical mass loss model for the formation of elliptical planetary nebulae (PNs). This model, which was developed in several earlier papers by the author and a few collaborators, attributes low departure from spherical mass loss of upper asymptotic giant branch (AGB) stars to envelope rotation which results from deposition of planet's orbital angular momentum. It was predicted that about 50 percent of all sun-like stars have Jupiter-like planets around them. In light of the new finding that only 5 percent of sun-like stars do have such planets I revise this prediction. I now predict that indeed about 50 percent of PNs progenitors do have close planets around them, but the planets can have much lower masses, as low as 0.01 times Jupiter's mass. To support this claim I follow the angular momentum evolution of single stars as they evolve to the post-AGB phase. The prediction that on average several such planets orbit each star, as in the solar system, still holds.

12 pages + 2 figures (postscript), submitted to MNRAS

References in corpus (4)

• The accretion of planets and brown dwarfs by giant stars -- II. solar mass stars on the red giant branch
• Rotation, Planets, and the "Second Parameter" of the Horizontal Branch
• Dust Formation and Inhomogeneous Mass Loss from AGB Stars
• Stellar Structure and Mass Loss on the Upper AGB

Cited by in corpus (24)

• Are There Unstable Planetary Systems Around White Dwarfs?
• Mocassin: A fully three-dimensional Monte Carlo photoionization code
• Low-Mass Binary Induced Outflows from Asymptotic Giant Branch Stars
• Dynamical effects of stellar mass loss on a Kuiper-like belt
• (Sub)stellar companions shape the winds of evolved stars
• The s-Process in Rotating Asymptotic Giant Branch Stars
• Connecting planets around horizontal branch stars with known exoplanets
• Turbulent Dynamo in Asymptotic Giant Branch Stars
• Eating Planets for Lunch and Dinner: Signatures of Planet Consumption by Evolving Stars
• The role of planets in shaping planetary nebulae
• The Effects of Planets and Brown Dwarfs on Stellar Rotation and Mass-Loss
• Comparing Eta Carinae with the Red Rectangle
• A Possible Hidden Population of Spherical Planetary Nebulae
• Local Circumstellar Magnetic Fields Around Evolved Stars
• The PTI Carbon Star Angular Size Survey: Effective Temperatures and Non-Sphericity
• Rotating Stars and the Formation of Bipolar Planetary Nebulae II: Tidal Spin-up
• Magnetic Activity of the Cool Companion in Symbiotic Systems
• Radio Emissions from Substellar Companions of Evolved Cool Stars
• Spherical Planetary Nebulae
• On the role of reduced wind mass-loss rate in enabling exoplanets to shape planetary nebulae
• Sub-stellar engulfment by a main sequence star: where is the lithium?
• The modulation of SiO maser polarization by Jovian planets
• Planetary Nebulae in the Scheme of Binary Evolution
• Asteroseismology of iota Draconis and Discovery of an Additional Long-Period Companion