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Four white dwarfs found hiding in Earth’s cosmic backyard
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Yourweather.co.uk - Meteored
An artist impression of a red dwarf with a white dwarf binary companion peeking out from behind.
G 203-47 is the ninth closest white dwarf to the Sun and is unusual because its red dwarf rotates once every 100+ days but orbits its white dwarf every 14.9 days.
The discovery of four new white dwarfs has allowed researchers to update the local white dwarf census within 20 parsecs or 65 light-years.
Importantly, earlier population models estimated that there should be about 4 to 5 pairs of white dwarfs and red dwarfs orbiting closely together, and the team discovered exactly 4, which aligns with the theoretical predictions.
If we put more targeted effort into observing red dwarfs, perhaps we will find more surprises like this.”