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A New FRB Signal Has Buzzed Nearly 2000 Times in Just Two Months, Raising a Mystery - ScienceAlert

A New FRB Signal Has Buzzed Nearly 2000 Times in Just Two Months, Raising a Mystery - ScienceAlert

A New FRB Signal Has Buzzed Nearly 2000 Times in Just Two Months, Raising a Mystery - ScienceAlert
Sep 24, 2022 1 min, 3 secs

A repeating fast radio burst source detected last year was recorded spitting out a whopping 1,863 bursts over 82 hours, amid a total of 91 hours of observation.

The object, named FRB 20201124A, was detected with the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in China and described in a new paper led by astronomer Heng Xu of Peking University in China.

Fast radio bursts have been a source of puzzlement to astronomers since they were first discovered 15 years ago, in archival data dating back to 2001: A spike of incredibly powerful radio emission lasting just an eyeblink of time.

Since then, many more have been detected: millisecond-duration bursts of radio waves, discharging in that moment as much power as 500 million Suns.

For the first time, a fast radio burst was detected within the Milky Way – leading astrophysicists to trace the phenomenon to magnetar activity.

In less than two months of observation, FRB 20201124A has given astronomers the biggest sample of fast radio burst data with polarization than any other FRB source.

FRB 20201124A isn't the only FRB source to be found in a galaxy relatively devoid of star formation, though.

The work of Wang and his colleagues suggests that neutron star-Be star binaries might be one of the best places to look for fast radio burst-like signals

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