Scientists just detected another repeating radio signal in deep space

11 January, 2019, 19:29 | Author: Kelly Sanders
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"And we had the good luck to find 13 of these things in the pre-commissioning phase".

A team of scientists behind a telescope located in BC's Okanagan Valley have found the second repeating fast radio burst (FRB) ever recorded, which they said provides new clues about the puzzling pulses of radio energy from far outside our own galaxy. Now, a new FRB is getting some serious attention for a very specific reason. The project wasn't yet living up to its full potential, suggesting that there are plenty more bursts to be discovered.

Mysterious repeated blasts of radio signals tracked from deep space have been detected by Canadian astronomers.

He said: "Until now, there was only one known repeating FRB".

Or, more accurately, it was the only one.

Artist's impression of a Fast Radio Burst (FRB) reaching Earth.

FRBs are thought to emanate from sources billions of light years away outside our galaxy, the Milky Way.

Although the total number of FRBs scientists have detected is over 60 so far, this is only the second time an FRB has been repeated - the first time being in Puerto Rico in 2015, when the Arecibo radio telescope picked up the burst.

Among them is Professor Avid Loeb, from the Harvard-Smithsonian Centre for Astrophysics in the USA, who believes that they could be evidence of incredibly advanced alien technology.

Dr Tendulkar is involved in building the CHIME radio telescope and is passionate about the origins and populations of FRBs and the relation between magentar and pulsar populations.

Several dozen FRBs have been recorded over the last decade, but CHIME's observations mark just the second time a repeating signal has been documented.

But, from whatever little data exists, most scientists do not believe that FRBs are attempts by aliens to contact us.

The "scattering" phenomenon was detected in the radio bursts, which can help answer questions about the atmosphere surrounding the origin.

Scientists believe there could be up to a thousand FRBs in the sky every day.

The source is from something with an extremely powerful magnetic field that produces a signal along the radio frequency band.

He added: "That tells us something about the environments and the sources".

Artist's impression of the active galactic nucleus shows the supermassive black hole at the center of the accretion disk sending a narrow high-energy jet of matter into space, perpendicular to the disc in this image by Science Communication Lab in Kiel Germany, released on July 12, 2018. "And that's why finding more FRBs is so exciting for us".

CHIME is a collaboration of over 50 scientists led by the University of British Columbia, McGill University, University of Toronto, and the National Research Council of Canada (NRC).

The 13 fast radio bursts (FRB) have previously been picked up once before by a different telescope.

Another interesting point to keep in mind, according to Loeb, is that the first repeater exhibited an associated persistent radio source, whereas the new repeater did not.



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