2 papers
astro-ph.SR2026
Improved Stark Broadened Profiles for Neutral Helium Lines Using Computer Simulations
Patrick Tremblay, Alain Beauchamp, Pierre Bergeron +1
The study of Stark broadening of neutral helium lines, despite significant advances over recent decades, has not led to updated large grids of helium line profiles relevant to the…
astro-ph.SR2026
High Velocity Circumstellar Gas Orbiting a White Dwarf Star
B. Zuckerman, Ãrika Le Bourdais, Beth L. Klein +6
Numerous white dwarf stars are known to be orbited by disks of gas and dust. To date, broad, about 300 km s-1 wide, gaseous circumstellar absorption features have only been reporte…