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A Spectroscopic Survey & Analysis of Bright, Hydrogen-Rich White Dwarfs
Alexandros Gianninas, Pierre Bergeron, Maria Teresa Ruiz
We have conducted a spectroscopic survey of over 1300 bright (V < 17.5), hydrogen-rich white dwarfs based largely on the last published version of the McCook & Sion catalog. The co…
Solution to the problem of the surface gravity distribution of cool DA white dwarfs from improved 3D model atmospheres
P. -E. Tremblay, H. -G. Ludwig, M. Steffen +2
The surface gravities of cool (Teff < 13,000 K) hydrogen-atmosphere DA white dwarfs, determined from spectroscopic analyses, are found to be significantly higher than the canonical…
Spectroscopic confirmation of UV-bright white dwarfs from the Sandage Two-Color Survey of the Galactic Plane
Sebastien Lepine, P. Bergeron, Howard H. Lanning
We present spectroscopic observations confirming the identification of hot white dwarfs among UV-bright sources from the Sandage Two-color Survey of the Galactic plane and listed i…