SIMBAD references

2009MNRAS.396.1709C - Mon. Not. R. Astron. Soc., 396, 1709-1731 (2009/July-1)

Seismological studies of ZZ Ceti stars - II. Application to the ZZ Ceti class.

CASTANHEIRA B.G. and KEPLER S.O.

Abstract (from CDS):

We used the detected pulsation modes and adiabatic pulsation models to do seismology of the class of ZZ Ceti stars and measure the H layer mass for 83 stars. We found the surface hydrogen layer to be within the range 10–9.5 ≥ MH/M*≥ 10–4, with an average of MH/M*= 10–6.3, which is thinner than the predicted value of MH/M*= 10–4, indicating that the stars lose more mass during their evolution than previously expected. These results are preliminary and do not include the possible effects of realistic C/O profiles on the fits.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): stars: ZZ Ceti stars - stars: variables: other - white dwarfs

CDS comments: In Table 10 : MCP 2148-2911 not identified. In Table 16 : HE 0344+1207 not identified. In Table 23 : HS 0733+4119 not identified. In Table 27 : WD J2334+0103 is not identified.

Simbad objects: 120

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