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Three Hypervelocity White Dwarfs in Gaia DR2: Evidence for Dynamically Driven Double-Degenerate Double-Detonation Type Ia Supernovae
Ken J. Shen, Douglas Boubert, Boris T. Gänsicke +23
Double detonations in double white dwarf (WD) binaries undergoing unstable mass transfer have emerged in recent years as one of the most promising Type Ia supernova (SN Ia) progeni…
The Galactic Distribution of Fragments Formed from Tidally Disrupted Stars
Eden Girma, James Guillochon
Approximately once every years, a star passes close enough to the supermassive black hole Sgr A* at the center of the Milky Way to be pulled apart by the black hole's tidal…
An Open Catalog for Supernova Data
James Guillochon, Jerod Parrent, Luke Zoltan Kelley +1
We present the Open Supernova Catalog, an online collection of observations and metadata for presently 36,000+ supernovae and related candidates. The catalog is freely available on…
Circumstellar absorption in double detonation Type Ia supernovae
Ken J. Shen, James Guillochon, Ryan J. Foley
Upon formation, degenerate He core white dwarfs are surrounded by a radiative H-rich layer primarily supported by ideal gas pressure. In this Letter, we examine the effect of this…