Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-04-22
Astronomy and Astrophysics
Astrophysics
Accepted for publication in Astronomy & Astrophysics
Scientific paper
10.1051/0004-6361:20042486
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.
Althaus Leandro G.
Gautschy Alfred
Saio Hideyuki
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