2002MNRAS.335..480B

Query : 2002MNRAS.335..480B

2002MNRAS.335..480B - Mon. Not. R. Astron. Soc., 335, 480-486 (2002/September-2)

On mode trapping in pulsating DA white dwarf stars.

BENVENUTO O.G., CORSICO A.H., ALTHAUS L.G. and SERENELLI A.M.

Abstract (from CDS):

The effects are explored of time-dependent element diffusion on the mode-trapping properties of DA white dwarf models with various thicknesses of the hydrogen envelope. Our predictions are compared with the standard assumption of diffusive equilibrium in the trace-element approximation. We find that element diffusion markedly weakens the presence of mode trapping originating in the outer layers of the models, even for the case of thin hydrogen envelopes.

Abstract Copyright: RAS

Journal keyword(s): stars: evolution - stars: interiors - stars: oscillations - white dwarfs.

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* RY LMi WD* 09 24 15.2482279632 +35 16 51.401570556   15.72   15.99   DA4 274 0
2 Ton 1559 WD* 13 09 57.6766028952 +35 09 47.187935136   15.51   15.2   DA4.4 138 0
3 V* DN Dra WD* 16 48 25.6318375106 +59 03 22.658985521   12.34 12.17 12.44   DA4.0 228 0

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