231 citations · 448 across the 6 of their papers we have counts for
3 papers · 1 filter
The nearby magnetic cool DZ white dwarf PM J08186-3110
Adela Kawka, Stéphane Vennes, Nicole F. Allard +2
We present an analysis of photometric, spectroscopic and spectropolarimetric data of the nearby, cool, magnetic DZ white dwarf PM J08186-3110. High dispersion spectra show the pres…
New study of the line profiles of sodium perturbed by H2
N. F. Allard, F. Spiegelman, T. Leininger +1
The opacity of alkali atoms, most importantly of Na and K, plays a crucial role in the atmospheres of brown dwarfs and exoplanets. We present a comprehensive study of NaH2 collisio…
Line shapes of the magnesium resonance lines in cool DZ white dwarf atmospheres
N. F. Allard, J. F. Kielkopf, S. Blouin +4
Line shapes of the magnesium resonance lines in white dwarf spectra are determined by the properties of magnesium atoms and the structure of the white dwarf atmosphere. Through the…