V Sagittae

The star system GK Persei, where a famous nova occurred, as seen by the Chandra X-ray telescope. An even brighter nova is expected to erupt from the V Sagittae system within the next century. (Credit: NASA Goddard)

The cannibal star V Sagittae: ​​New study maps the system on the way to a daylight supernova

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Recent spectroscopic analysis reveals that a hungry white dwarf and its solar-mass companion, enveloped in a giant gas disk and an extremely soft X-ray source, are on track to become a visible nova in the coming years and an extremely bright supernova in the 21st century.
The binary star system V Sagittae – 10,000 light-years from Earth – shines brightly because a voracious white dwarf is devouring its larger twin. Credit: University of Southampton

A hungry star is devouring its cosmic twin at a rate never before observed * In a few years we will be able to see the supernova in daylight

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The V Sagittae system, 10,000 light-years away, is expected to end in a supernova so bright it will be visible from Earth during the day.
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