183 citations · 2k across the 70 of their papers we have counts for
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The evolution of carbon-polluted white dwarfs at low effective temperatures
S. Blouin, P. Dufour
Taking advantage of the Gaia Data Release 2, recent studies have revisited the evolution of carbon-polluted white dwarfs (DQs) across a large range of effective temperatures. These…
A New Generation of Cool White Dwarf Atmosphere Models. IV. Revisiting the Spectral Evolution of Cool White Dwarfs
Simon Blouin, Patrick Dufour, Christian Thibeault +1
As a result of competing physical mechanisms, the atmospheric composition of white dwarfs changes throughout their evolution, a process known as spectral evolution. Because of the…
On the Measurement of Fundamental Parameters of White Dwarfs in the Gaia Era
P. Bergeron, P. Dufour, G. Fontaine +5
We present a critical review of the determination of fundamental parameters of white dwarfs discovered by the Gaia mission. We first reinterpret color-magnitude and color-color dia…
Line Profiles of the Calcium I Resonance Line in Cool Metal-polluted White Dwarfs
S. Blouin, N. F. Allard, T. Leininger +2
Metal-polluted white dwarfs (DZ stars) are characterized by a helium-rich atmosphere contaminated by heavy elements traces originating from accreted rocky planetesimals. As a detai…
A New Generation of Cool White Dwarf Atmosphere Models. III. WD J2356209: Accretion of a Planetesimal with an Unusual Composition
S. Blouin, P. Dufour, N. F. Allard +3
WD J2356209 is a cool metal-polluted white dwarf whose visible spectrum is dominated by a strong and broad sodium feature. Although discovered nearly two decades ago, no detaile…