In a recent study, an Italian astronomer has investigated the nature of a binary system ... of the system, proving that it contains a massive and fast-spinning white dwarf. HD 49798 is a bright ...

The two stars are close enough to one another that gas falls in from the companion star and swirls around the white dwarf in an accretion ... used to study the star system and measure its distance ...

This system is also the only X-ray light-emitting binary that features a white dwarf stripping stellar material from a highly evolved, helium-burning, hot subdwarf star. Breaking space news ...

This mechanism has been supported by observations of known magnetic white dwarfs in close binary systems ... modeling indicates that this particular system likely formed through stable mass ...

Photograph courtesy HubbleSite But not all white dwarfs will spend many millennia cooling their heels. Those in a binary star system may have a strong enough gravitational pull to gather in ...

It eventually burned out and collapsed to an unusually massive white dwarf ... in a triple-star system." The blue lurker originally rotated more slowly and orbited a binary system consisting ...

The observations made using the European Space Agency's XMM-Newton orbiting X-ray telescope appear to show a white dwarf nearing the point of no return - called the event horizon - as it orbits ...

This system is also the only X-ray light-emitting binary that features a white dwarf stripping stellar material from a highly evolved, helium-burning, hot subdwarf star. "This system is quite ...