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2005A&A...438.1013G - Astronomy and Astrophysics, volume 4381013-1020 (2005/8-2)
On the excitation of PG1159-type pulsations.
GAUTSCHY A., ALTHAUS L.G. and SAIO H.
Abstract (from CDS):
Stability properties are presented of dipole and quadrupole nonradial oscillation modes of model stars that experienced a late helium shell flash on their way to the white-dwarf cooling domain. The computed instability domains are compared with the observed hot variable central stars of planetary nebulae and the GW Vir pulsators.
Abstract Copyright: ∼
Journal keyword(s): stars: evolution - stars: white dwarfs - stars: oscillations
Simbad objects: 5
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