Astronomers link eight-minute radio pulses to a white dwarf orbiting a Sun-like star
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Researchers at Curtin University’s ICRAR traced mysterious radio signals to the system GPM J071507-114153, more than 5,000 light-years from Earth. A white dwarf there rotates every eight minutes and emits radio pulses while orbiting a Sun-like G-type star. Similar pulses were known only in pairs with red dwarfs; this is the first case with a Sun-like companion. The pair is a long-period transient, a step toward explaining some of the Milky Way’s puzzling radio emissions.
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