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Over a thousand cosmic explosions detected in 47 days 5nvklj





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Over a thousand cosmic explosions detected in 47 days

Dragon
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Over a thousand cosmic explosions detected in 47 days Empty Over a thousand cosmic explosions detected in 47 days

Post by Dragon Thu Oct 14, 2021 3:32 am

An international research team led by Prof. Li Di and Dr. Wang Pei from National Astronomical Observatories of Chinese Academy of Sciences (NAOC) caught an extreme episode of cosmic explosions from Fast Radio Burst (FRB) 121102, using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). A total of 1,652 independent bursts were detected within 47 days starting Aug. 29, 2019 (UT).

It is the largest set of FRB events so far, more than the number reported in all other publications combined.

Such a burst set allows for the determination, for the first time, of the characteristic energy and energy distribution of any FRB, thus shedding light on the central engine powering FRBs.


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Over a thousand cosmic explosions detected in 47 days 334pu7m
Dragon
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Post by Dragon Thu Oct 14, 2021 3:33 am

Over a thousand cosmic explosions detected in 47 days Over-a-thousand-cosmic
Credit: NAOC

FAST catches a real pulse from FRB 121102.

FRBs were first detected in 2007.

These cosmic explosions can be as short as one-thousandth of a second while producing one year's worth of the Sun's total energy output.


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Over a thousand cosmic explosions detected in 47 days 334pu7m
Dragon
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Post by Dragon Thu Oct 14, 2021 3:35 am

Over a thousand cosmic explosions detected in 47 days Over-a-thousand-cosmic-2
Credit: NAOC

A "river" of bursts from a galaxy as recorded by the FAST telescope. The burst count and energies are shown in histograms, mimicking the painting "A Vast Land" by Wang Ximeng of the Song Dynasty.


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Over a thousand cosmic explosions detected in 47 days 334pu7m
Dragon
Dragon
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Posts : 7263
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Times User Thanked: : 902
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Post by Dragon Thu Oct 14, 2021 3:38 am



Milky Way galaxy fast radio burst detected for first time

A Fast Radio Burst (FRB) was traced back to a magnetar in the Milky Way galaxy.



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Over a thousand cosmic explosions detected in 47 days 334pu7m

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