For the second time ever, astronomers have discovered mysterious radio signals pattern from space.Rapid radio explosions, or FRBs, are the blasts of long-distance radio miles, and astronomers have been able to track some radio waves back in their home galaxies.
They still have to figure out the real cause of the explosion.
Each radio blast kicks off once and don’t repeat. But rapid radio frequency is known to send short, powerful radio waves many times.
Previous observations indicate that the frequency when they repeat, either directly or collectively.
That all changed earlier this year when astronomers discovered that FRB 180916.J0158 + 65 had an explosion pattern that took place every 16.35 days. Over the course of four days, the signal will produce an explosion or two per hour. After that, it would be quiet for another 12 days.
Now, they have found a pattern in the second instant radio explosion, known as FRB 121102. With this cycle pattern, radio blasts are released during a 90-day window, followed by a 67-day silence period. This pattern repeats every 157 days.
FRB 121102 has been known as the fastest multiplier of radio since 2016. Now, they know it has a pattern.
“So far, only one repeat FRB has been known to show a pattern in its explosive work,” said Kaustubh Rajwade, lead study author and postdoctoral researcher in astronomy at the University of Manchester, in an email. “Finding such a pattern produces important clues as to who may be the inventor of FRBs. Occurring from time to time tells us that something that produces FRBs may be located on a street with another astrological body.”
FRB 121102 was the first fast-paced radio explosion that was traced back to its source, linked back to a short-lived galaxy far out of three billion years in 2017.
The fact that this radio frequency response is at least 10 times faster than that which is repeated every 16.4 days shows a much larger range of activity, investigators said.