Scientists a step closer to solving space mystery after uncovering signal pattern

Scientists Detect Extragalactic Radio Signals Arriving in an Unexplained Pattern

Scientists Detect Extragalactic Radio Signals Arriving in an Unexplained Pattern

But a new study which is conducted by an global team of researchers which is led by a scientist at the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Bursts Project in the parts of British Columbia has now detected a mysterious FRB which comes from a galaxy that is located nearly 500 million light-years away. And as Eric Sorensen reports, now the question is: Who or what is sending them?

Scientists recently pinpointed this specific FRB to a spiral galaxy known as SDSS J015800.28+654253.0, located half a billion light-years from Earth - making it the closest FRB ever detected. The CHIME/FRB researchers are publishing the details in a paper on the arXiv database. Then, it would go silent for another 12 days.

In their paper, which is moderated but not full peer-reviewed, scientists explain that FRB 180916.J0158+65 seems to have a 16-day pattern.

Fast radio bursts (FRBs) have doubtless occurred for billions of years.

Last year, the collaboration detected eight new repeating signal sources, including this one.

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The bursts originated from a galaxy about 500 million light-years away.

"The discovery of a 16.35-day periodicity in a repeating FRB source is an important clue to the nature of this object", the researchers wrote in their study.

Scientists hope that they can trace the origin of these mysterious single and repeating signals to one day figure out what causes them.

The origin of FRBs hasn't been established yet, although the dominant theories regarding them suggest the signals are produced by rapidly rotating bodies such as neutron stars or black holes.

In the paper, the researchers consider the possible causes, like the orbital motion of a star or an object that acts as a companion in the outskirts of the galaxy. Neutron stars usually appear to strobe recurrently from the angle of X-ray detectors on Earth, as a result of scorching spots on their floor spin out and in of view like a lighthouse beacon. The combination of the interaction between the two, as well as the wind coming off of the OB-star, could be a factor in the cause of the repeating FRB pattern. The more bursts they can trace, the better they may be able to use the signals to map how matter is distributed across the universe. That way, they'll know if this kind of periodicity is the exception or routine behavior.

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