9 papers
A systematic survey for hypervelocity runaways from thermonuclear supernovae
Kareem El-Badry, Klaus Werner, Ken J. Shen +16
The explosion of a white dwarf (WD) in a close binary can launch a surviving runaway star at velocities of . Such runaways provide a direct probe of…
When Stars Mimic Monsters: Spectral Evidence for an Carinae-like Giant Eruption in SBS 0335052 E
Zixuan Peng, Crystal L. Martin, Jiamu Huang +7
SBS 0335052 E is an extremely low-metallicity () blue compact dwarf galaxy. An active galactic nucleus has been proposed to explain the broad H emissio…
Thermal Evolution of the Central Star in Pa 30
Anthony L. Piro, Yossef Zenati, Tin Long Sunny Wong
Pa 30 has been identified as the nebular remnant of the historical SN 1181. It is host to a hot () central star (WD J005311) with a fast wind ($\approx16,0…
The evolutionary history of ultra-compact accreting binaries. I. Chemical abundances and formation channel of the eclipsing AM CVn system ZTF J225237.05-051917.4 from HST spectroscopy
W. Yu, A. F. Pala, T. Kupfer +33
AM Canum Venaticorum (AM CVn) stars are ultra-compact binary systems composed of a white dwarf (WD) primary accreting from a H-deficient donor. They are important as potential prog…
Carbon burning cannot explain puffy hypervelocity white dwarfs
Natsuko Yamaguchi, Kareem El-Badry, Tin Long Sunny Wong +1
Several hypervelocity white dwarfs (HVWDs) with space velocities of have recently been discovered. One possible origin of these stars is the dynam…
Mass Loss and Subsequent Thermal Evolution of Surviving Helium White Dwarfs Shocked by Thermonuclear Supernovae
Tin Long Sunny Wong, Lars Bildsten
Following a type Ia supernova (SN Ia) in a double white dwarf (WD) binary, a surviving WD companion leaves at its orbital velocity ,000 - 3,000 km/s. The Gaia mission ha…