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A Census of White Dwarfs Within 40 Parsecs of the Sun
M. -M. Limoges, P. Bergeron, Sebastien Lepine
Our aim is to compile a catalog of white dwarfs within 40 parsecs of the Sun, in which newly discovered objects would significantly increase the completeness of the current census.…
A Detailed Model Atmosphere Analysis of Cool White Dwarfs in the Sloan Digital Sky Survey
Mukremin Kilic, S. K. Leggett, P. -E. Tremblay +7
We present optical spectroscopy and near-infrared photometry of 126 cool white dwarfs in the Sloan Digital Sky Survey (SDSS). Our sample includes high proper motion targets selecte…
A Spectroscopic Analysis of White Dwarfs in the Kiso Survey
M. -M. Limoges, P. Bergeron
We present a spectroscopic analysis of white dwarfs found in the Kiso survey. Spectroscopic observations at high signal-to-noise ratio have been obtained for all DA and DB stars in…
New Insights into the Problem of the Surface Gravity Distribution of Cool DA White Dwarfs
P. -E. Tremblay, P. Bergeron, J. S. Kalirai +1
We review at length the longstanding problem in the spectroscopic analysis of cool hydrogen-line (DA) white dwarfs (Teff < 13,000 K) where gravities are significantly higher than t…