Observatory Detects Vampire Stars

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Science

To decode dark energy, the Rubin Observatory will find millions of exploding vampire stars

Summary

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80% Informative

The Vera C. Rubin Observatory will scan the sky over the southern hemisphere every night for 10 years .

Scientists predict it will detect millions of vampire stars exploding as they feed on their stellar companions.

The light output of exploding white dwarf stars is so uniform that astronomers can use it to measure distances.

This uniformity means Type Ia supernovas are often referred to as "standard candles," serving as a vital rung on the "cosmic distance ladder".

Rubin will generate up to 10 million alerts embedded within 20 terabytes of data every night .

Software systems will process these alerts before being fired out to astronomers across the globe.

Among the supernovas in the data will be transient events such as variable stars and kilonovas, the violent collision between extreme dense stellar remnants called neutron stars.

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