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Astronomy and Cosmology
Astronomy and Astrophysics
Discovery: A radio transient with unusually slow periodic emission
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[QUOTE="lippyka, post: 6890537, member: 602549"] Astronomers have discovered a mysterious object that is unlike anything they have ever seen before. The object, which pulses with radio waves every 18.18 minutes, was spotted using archival low-frequency radio data collected from the Galactic plane.The object was found to be highly linearly polarized, bright, and visible across a broad frequency range. At times, its pulses comprise short-duration (<0.5 second) bursts; at others, a smoother profile is observed. These profiles evolve on timescales of hours.By measuring the dispersion of the radio pulses with respect to frequency, astronomers localized the source to within our own Galaxy and suggest that it could be an ultra-long-period magnetar.The findings were recently published in Nature by a team of researchers led by Dr. Natasha Hurley-Walker and Dr. Xin Zhang.The team hopes the discovery of this new type of radio transient will catalyze further research into the low-frequency radio sky. In addition, they suggest that a dedicated survey of the Galactic plane may uncover additional examples of this peculiar and unique object. [/QUOTE]
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Astronomy and Cosmology
Astronomy and Astrophysics
Discovery: A radio transient with unusually slow periodic emission
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