White Dwarf Emits Eight‑Minute Radio
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Astronomers in Australia discovered a bizarre star system emitting mysterious radio pulses every eight minutes.
The 5,000 light‑years distant system features a dead white dwarf star orbiting alongside a sun‑like star.
Study lead author Sam McSweeney noted that the pulsations originate from near or directly on the white dwarf.
The newly discovered system, known as GPM J071507−114153, consists of two stars orbiting each other: a white dwarf – the dense core left behind when a star dies – and a G‑type star similar to the sun.
It is the first time radio pulses have been detected from a white dwarf orbiting a sun‑like star, according to a study published in the journal Nature Astronomy.
More context
Timeline
- On January 1 2021 ICRAR team discovers first white dwarf radio pulsar system.
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Primary report
New York Post — White Dwarf Emits Eight‑Minute Radio
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