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Planetary Systems Around Red Giants and Formation of Planetary Nebulae

Published online by Cambridge University Press:  26 May 2016

G. M. Rudnitskij
G. M. Rudnitskij*
Affiliation:
Sternberg Astronomical Institute, 13 Universitetskij prospekt Moscow 119899 Russia

Abstract

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The effects of planetary systems around pre-AGB and AGB stars on their pulsations, optical spectra and on the shape of future planetary nebulae are discussed. The physical phenomena considered include include gas drag on the planet embedded in the ever denser circumstellar gas of a red giant and shock waves arising. intensity of the H2O The lack of variability in many red giants may be due to their low metallicity and absence of planetary systems around them.

Type
Part IV: Central Stars and their Atmospheres
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 231 - 232
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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