176 citations · 177 across the 2 of their papers we have counts for
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astro-ph2007★ 1 cited
Hot DQ White Dwarf Stars: A New Challenge to Stellar Evolution
P. Dufour, J. Liebert, G. Fontaine +1
We report the discovery of a new class of hydrogen-deficient stars: white dwarfs with an atmosphere primarily composed of carbon, with little or no trace of hydrogen or helium. Our…
astro-ph2007★ 176 cited
On the Spectral Evolution of Cool, Helium-Atmosphere White Dwarfs: Detailed Spectroscopic and Photometric Analysis of DZ Stars
P. Dufour, P. Bergeron, James Liebert +6
We present a detailed analysis of a large spectroscopic and photometric sample of DZ white dwarfs based on our latest model atmosphere calculations. We revise the atmospheric param…