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- Publications
- Influence
An Improved Spectroscopic Analysis of DA White Dwarfs from the Sloan Digital Sky Survey Data Release 4
- P. Tremblay, P. Bergeron, A. Gianninas
- Physics
- 1 February 2011
We present an improved spectroscopic and photometric analysis of hydrogen-line DA white dwarfs from the Sloan Digital Sky Survey Data Release 4 (SDSS DR4) based on model atmospheres that include… Expand
Spectroscopic Analysis of DA White Dwarfs: Stark Broadening of Hydrogen Lines Including Nonideal Effects
- P. Tremblay, P. Bergeron
- Physics
- 24 February 2009
We present improved calculations for the Stark broadening of hydrogen lines in dense plasmas typical of white dwarf atmospheres. Our new model is based on the unified theory of Stark broadening from… Expand
Spectroscopic analysis of DA white dwarfs with 3D model atmospheres
- P. Tremblay, H. Ludwig, M. Steffen, B. Freytag
- Physics
- 4 September 2013
We present the first grid of mean three-dimensional (3D) spectra for pure-hydrogen (DA) white dwarfs based on 3D model atmospheres. We use CO 5 BOLD radiation-hydrodynamics 3D simulations instead of… Expand
The White Dwarf Initial–Final Mass Relation for Progenitor Stars from 0.85 to 7.5 M ⊙ *
- J. D. Cummings, J. Kalirai, P. Tremblay, E. Ramirez-Ruiz, Jieun Choi
- Physics
- 5 September 2018
We present the initial–final mass relation (IFMR) based on the self-consistent analysis of Sirius B and 79 white dwarfs from 13 star clusters. We have also acquired additional signal on eight white… Expand
The field white dwarf mass distribution
- P. Tremblay, J. Cummings, J. Kalirai, B. Gaensicke, N. Gentile-Fusillo, R. Raddi
- Physics
- 16 June 2016
We revisit the properties and astrophysical implications of the field white dwarf mass distribution in preparation of Gaia applications. Our study is based on the two samples with the best… Expand
THE SPECTRAL ENERGY DISTRIBUTIONS OF WHITE DWARFS IN 47 Tucanae: THE DISTANCE TO THE CLUSTER
- K. Woodley, R. Goldsbury, +21 authors American Museum of Natural History
- Physics
- 6 December 2011
We present a new distance determination to the Galactic globular cluster 47 Tucanae by fitting the spectral energy distributions of its white dwarfs (WDs) to pure hydrogen atmosphere WD models. Our… Expand
The Ratio of Helium- to Hydrogen-Atmosphere White Dwarfs: Direct Evidence for Convective Mixing
- P. Tremblay, P. Bergeron
- Physics
- 4 October 2007
We determine the ratio of helium- to hydrogen-atmosphere white dwarf stars as a function of effective temperature from a model atmosphere analysis of the infrared photometric data from the Two Micron… Expand
Solution to the problem of the surface gravity distribution of cool DA white dwarfs from improved 3D model atmospheres
- P. Tremblay, H. Ludwig, M. Steffen, P. Bergeron, B. Freytag
- Physics
- 29 June 2011
The surface gravities of cool (T eff < 13 000 K) hydrogen-atmosphere DA white dwarfs, determined from spectroscopic analyses, are found to be significantly higher than the canonical value of log g ∼… Expand
White Dwarf Rotation as a Function of Mass and a Dichotomy of Mode Line Widths: Kepler Observations of 27 Pulsating DA White Dwarfs through K2 Campaign 8
- J. Hermes, B. Gaensicke, +15 authors S. Redfield
- Physics
- 20 September 2017
We present photometry and spectroscopy for 27 pulsating hydrogen-atmosphere white dwarfs (DAVs; a.k.a. ZZ Ceti stars) observed by the Kepler space telescope up to K2 Campaign 8, an extensive… Expand
NEW INSIGHTS INTO THE PROBLEM OF THE SURFACE GRAVITY DISTRIBUTION OF COOL DA WHITE DWARFS
- P. Tremblay, P. Bergeron, J. Kalirai, A. Gianninas
- Physics
- 18 February 2010
We review at length the longstanding problem in the spectroscopic analysis of cool hydrogen-line (DA) white dwarfs (T eff< 13,000 K) where gravities are significantly higher than those found in… Expand