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4d ago

Milky Way Object Emits Paired Radio and X-Ray Bursts on a 44-Minute Cycle

Chance X-ray observations with NASA’s Chandra telescope have launched a dedicated study in Nature.

Das Radioteleskop ASKAP befindet sich in Westaustralien. Mit ihm gelang die Entdeckung von ASKAP J1832-0911.
Das Radioteleskop ASKAP steht in Westaustralien, mit ihm gelang die Entdeckung von ASKAP J1832-0911.

Overview

  • ASKAP J1832-0911 emits synchronized radio pulses and X-ray flashes every 44 minutes, marking the first recorded instance of such dual signals.
  • The source lies approximately 15,000 light-years from Earth within the Milky Way galaxy.
  • ASKAP in Western Australia first detected the radio bursts in February 2024, and NASA’s Chandra observatory serendipitously captured the coincident X-rays.
  • Classified as a long-period radio transient, the object’s emission pattern defies explanation by existing models.
  • Researchers are planning coordinated radio and X-ray follow-up with next-generation instruments to determine whether it is a magnetar or a binary white dwarf system.