Wolf-Rayet-type central stars of planetary nebulae: Are there pulsations involved?

Details Wolf-Rayet-type central stars of planetary nebulae: Are there pulsations involved? Wolf-Rayet-type central stars of planetary nebulae: Are there pulsations involved?

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...302..401g&link_type=abstract

Astronomy and Astrophysics, v.302, p.401

Astronomy and Astrophysics

Astrophysics

2

Stars: Oscillations, Stars: Post-Agb, Stars: Post-Asymptotic Giant Branch

Scientific paper

Results of linear stability analyses are presented for Wolf-Rayet-type central stars of planetary nebulae. Such objects are found to be strongly unstable towards radial pulsations, even at high temperatures above 10^5^K. The instabilities are conjectured to be important for the presence of high mass-loss rates observed in some hot nuclei of planetary nebulae.

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