Seismological studies of ZZ Ceti stars. I. The model grid and the application to individual stars

Abstract

We calculate and explore an extensive adiabatic model grid for pulsating white dwarfs with H dominated atmospheres, the ZZ Ceti stars. We also compared the computed modes with the observed ones for five ZZ Ceti stars that are a representative sample of the whole class of pulsators. We describe our new approach for seismological studies, using the relative observed amplitudes to give weights for the periods in the fit and the external mass and temperature determinations as a guide. Our seismological study is clear evidence that seismology is indeed a powerful tool in the study of stellar structure and evolution.

29 pages, 11 figures

References in corpus (3)

• White Dwarf Mass Distribution in the SDSS
• The White Dwarf Cooling Sequence of NGC6397
• A deeper understanding of white dwarf interiors

Cited by in corpus (23)

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• Precision asteroseismology of the pulsating white dwarf GD 1212 using a two-wheel-controlled Kepler spacecraft
• Toward High Precision Seismic Studies of White Dwarf Stars: Parametrization of the Core and Tests of Accuracy
• Probing the structure of Kepler ZZ Ceti stars with full evolutionary models-based asteroseismology
• Revealing the pulsational properties of the V777 Her star KUV 05134+2605 by its long-term monitoring
• Asteroseismological analysis of the ultra-massive ZZ Ceti stars BPM~37093, GD~518, and SDSS~J0840+5222
• Pulsating low-mass white dwarfs in the frame of new evolutionary sequences: V. Asteroseismology of ELMV white dwarf stars
• Evidence of Spectral Evolution on the white dwarf sample from the Gaia Mission
• Deciphering the Pulsations of G 29-38 with Optical Time Series Spectroscopy
• The pulsating DA white dwarf star EC 14012-1446: results from four epochs of time-resolved photometry
• Asteroseismology of PG 1541$+$651 and BPM 31594 with TESS
• Pulsations of the Low Mass ZZ Ceti Star HS 1824+6000
• Exploring the pulsational properties of two ZZ Ceti stars
• Precise determination of stellar parameters of the ZZ Ceti and DAZ white dwarf GD 133 through asteroseismology
• Seismological Studies of Pulsating DA White Dwarfs Observed with the Kepler Space Telescope and K2 Campaigns 1-8
• Asteroseismology of the pulsating extremely low-mass white dwarf SDSS J111215.82+111745.0: a model with $p$-mode pulsations consistent with the observations
• A comparison of best fits obtained in white dwarf asteroseismology using the WDEC and the LPCODE
• Constraints from parallaxes and average period spacings in the asteroseismic study of 8 DAVs
• Seismic test of the mass-radius relationship of hydrogen-atmospheric white dwarf stars
• Asteroseismology of the DAV star R808