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New evolutionary sequences for hot H-deficient white dwarfs on the basis of a full account of progenitor evolution
L. G. Althaus, J. A. Panei, M. M. Miller Bertolami +5
We present full evolutionary calculations appropriate for the study of hot hydrogen-deficent DO white dwarfs, PG 1159 stars, and DB white dwarfs. White dwarf sequences are computed…
Evolution and colors of helium-core white dwarf stars with high-metallicity progenitors
L. G. Althaus, J. A. Panei, A. D. Romero +4
Motivated by the recent detection of single and binary He-core white dwarfs in metal-rich clusters, we present a full set of evolutionary calculations and colors appropriate for th…
Seismological constraints on the high-gravity DOV stars PG2131+066 and PG 1707+427
A. H. Córsico, L. G. Althaus, M. M. Miller Bertolami +1
A seismological study of the pulsating PG1159 stars PG2131+066 and PG 1707+427 is presented. We perform extensive adiabatic computations of g-mode pulsation periods of PG1159 evolu…
Asteroseismology of hot pre-white dwarf stars: the case of the DOV stars PG 2131+066 and PG 1707+427, and the PNNV star NGC 1501
A. H. Córsico, L. G. Althaus, M. M. Miller Bertolami +1
We present an asteroseismological study on the two high-gravity pulsating PG1159 (GW Vir or DOV) stars, PG 2131+066 and PG 1707+427, and on the pulsating [WCE] star NGC 1501. We co…