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- W2952131432 abstract "We present simulations of the accretion of a massive planet or brown dwarf by an AGB star. In our scenario, close planets will be engulfed by the star, spiral-in and be dissipated in the ``accretion region'' located at the bottom of the convective envelope of the star. The deposition of mass and chemical elements in this region will release a large amount of energy that will produce a significant expansion of the star. For high accretion rates, hot bottom burning is also activated. Finally, we present some observational signatures of the accretion of a planet/brown dwarf and we propose that this process may be responsible for the IR excess and high lithium abundance observed in 4-8% of single G and K giants." @default.
- W2952131432 created "2019-06-27" @default.
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- W2952131432 date "1998-08-14" @default.
- W2952131432 modified "2023-09-27" @default.
- W2952131432 title "The Swallowing of Planets by Giant Stars" @default.
- W2952131432 hasPublicationYear "1998" @default.
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