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Time series photometry of the helium atmosphere pulsating white dwarf EC 04207-474
P. Chote, D. J. Sullivan, M. H. Montgomery +1
We present the analysis of 71 hours of high quality time-series CCD photometry of the helium atmosphere pulsating white dwarf (DBV) EC 04207-4748 obtained using the facilities at M…
Seven-Period Asteroseismic Fit of the Kepler DBV
Agnes Kim, Roy Ostensen, J. J. Hermes +1
We present a new, better-constrained asteroseismic analysis of the helium-atmosphere (DB) white dwarf discovered in the field of view of the original Kepler mission. Observations o…
Atmospheric parameters and carbon abundance for hot DB white dwarfs
Detlev Koester, Judi Provencal, Boris T. Gänsicke
Atmospheric parameters for hot DB (helium atmosphere) white dwarfs near effective temperatures of 25000K are extremely difficult to determine from optical spectroscopy. This is par…