Milestone: Periodic radio bursts being monitored by astronomers reach 500th day

Milestone: Periodic radio bursts being monitored by astronomers reach 500th day
Noisy out there. Pixabay

[Ed. – These apparent bursts of radio waves seem to definitely be on a 16-day schedule.  This source’s stream is particularly active.  They started 16 September 2018.  Scientists are excited about what we may learn from them.]

The 180916.J0158+65 FRB has now been repeating for 500 days. The apparent source for this display is a region of active star formation just outside a massive spiral galaxy, 500 million light years from Earth (well outside our Milky Way galaxy). It is the most active FRB yet detected, and one of the nearest to Earth. …

“In 38 bursts recorded from 16 September 2018 to 4 February 2020 UTC, we find that all bursts arrive in a five-day phase window, and 50 per cent of the bursts arrive in a 0.6-day [14 hour 24 minute] phase window,” researchers report in an article published in the journal Nature. …

“It’s the most definitive pattern we’ve seen from one of these sources. And it’s a big clue that we can use to start hunting down the physics of what’s causing these bright flashes, which nobody really understands,” Kiyoshi Masui, assistant professor of physics in MIT’s Kavli Institute for Astrophysics and Space Research, stated.

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