Astronomers discovered in October 2020 an object SGR 1935 + 2154, which generated three fast radio bursts (FRB). Previously, the sources of such bursts were located outside the Milky Way, but now signals FRB came from a relatively close object – writes the publication AstronomersTelegram.
The object SGR 1935 + 2154 appears to be a magnetar, a neutron star with a powerful magnetic field. The magnetar is only 30 thousand light-years away from the Earth, i.e. it is the first source of fast radio bursts located so close (by space standards, of course).
“Most of FRB is registered only once, so detecting the source of repeated bursts is a very important event that will help us understand the nature of this still mysterious phenomenon,” say the astronomers, specifying that the star SGR 1935 + 2154 could be the source of the impulse, which was registered in April this year.
But more interest is chained to three new millisecond radio bursts produced by the magnet on October 8, 2020. It is assumed that all three bursts occurred during the same period of rotation of SGR 1935 + 2154 (3.24 seconds). “Between the first and second bursts passed 0.954 seconds, and between the second and third bursts – 1.949 seconds. We hope that further observation of the magnetar will reveal the mystery of FRB”, – noted the astronomers.