Hot subdwarf stars (sdO/Bs) are evolved core helium-burning stars with very thin hydrogen envelopes, which can be formed by common envelope ejection. Close sdB binaries with massive white dwarf (WD) companions are potential progenitors of thermonuclear supernovae type Ia (SN Ia). We discovered such a progenitor candidate as well as a candidate for a surviving companion star, which escapes from the Galaxy. More candidates for both types of objects have been found by cross-matching known sdB stars with proper motion and light curve catalogues. We found 72 sdO/B candidates with high Galactic restframe velocities, 12 of them might be unbound to our Galaxy. Furthermore, we discovered the second-most compact sdB+WD binary known. However, due to t...
In the course of our search for double degenerate binaries as potential progenitors of type Ia super...
Type Ia supernovae are thought to occur when a white dwarf made of carbon and oxygen accretes suffic...
Context. Thermonuclear supernovae (SNe), a subset of which are the highly important SNe Type Ia, rem...
Hot subdwarf stars (sdO/Bs) are evolved core helium-burning stars with very thin hydrogen envelopes,...
Hot subdwarf stars (sdO/Bs) are evolved core helium-burning stars with very thin hydrogen envelopes,...
We report the discovery of the first hot subdwarf B (sdB) star with a massive compact companion in a...
Type Ia supernovae (SN Ia) are the most important standard candles for measuring the expansion histo...
Original paper can be found at: http://www.astrosociety.org/pubs/cs/361.html Copyright ASPThe nature...
The nature of the progenitors of type Ia supernovae is still under controversial debate. KPD 1930+27...
Type Ia SNe (SNe Ia) are thought to come from carbon-oxygen white dwarfs that accrete mass from bina...
Core-collapse supernovae (SNe), which mark the deaths of massive stars, are among the most powerful ...
The nature of the progenitors of type Ia supernovae is still under controversial debate. KPD 1930+27...
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at ...
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at ...
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at ...
In the course of our search for double degenerate binaries as potential progenitors of type Ia super...
Type Ia supernovae are thought to occur when a white dwarf made of carbon and oxygen accretes suffic...
Context. Thermonuclear supernovae (SNe), a subset of which are the highly important SNe Type Ia, rem...
Hot subdwarf stars (sdO/Bs) are evolved core helium-burning stars with very thin hydrogen envelopes,...
Hot subdwarf stars (sdO/Bs) are evolved core helium-burning stars with very thin hydrogen envelopes,...
We report the discovery of the first hot subdwarf B (sdB) star with a massive compact companion in a...
Type Ia supernovae (SN Ia) are the most important standard candles for measuring the expansion histo...
Original paper can be found at: http://www.astrosociety.org/pubs/cs/361.html Copyright ASPThe nature...
The nature of the progenitors of type Ia supernovae is still under controversial debate. KPD 1930+27...
Type Ia SNe (SNe Ia) are thought to come from carbon-oxygen white dwarfs that accrete mass from bina...
Core-collapse supernovae (SNe), which mark the deaths of massive stars, are among the most powerful ...
The nature of the progenitors of type Ia supernovae is still under controversial debate. KPD 1930+27...
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at ...
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at ...
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at ...
In the course of our search for double degenerate binaries as potential progenitors of type Ia super...
Type Ia supernovae are thought to occur when a white dwarf made of carbon and oxygen accretes suffic...
Context. Thermonuclear supernovae (SNe), a subset of which are the highly important SNe Type Ia, rem...
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