Named J191213.72-441045.1 (or J1912-4410 for short), it belongs to one of the rarest categories in the Milky Way.

It is a white dwarf pulsar. This extraordinary star emits radiation every 5 minutes and is the second white dwarf found "pulsing" at a periodic rate, confirming it to be a new class of star.

The first star of this unusually peculiar type was AR Scorpii (AR Sco), discovered in 2016. "One of the most remarkable identified binary systems of white dwarfs to date is AR Scorpii.

AR Scorpii consists of a red dwarf and a white dwarf, rotating rapidly in a 3.

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