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New fast radio bursts discovered

Date: October 2, 2022 Time: 20:12:23

Nature: New fast radio bursts found near source FRB 20201124A

Astronomers from Peking University and the National Astronomical Observatory of China have discovered new fast radio bursts using the FAST radio telescope. The discovery is reported in an article published in the journal Nature.

Over the course of observations made in the spring of 2021, the researchers detected 1,863 flashes at the active fast radio burst source FRB 20201124A over 54 days. Magnetars, that is, neutron stars with extremely strong magnetic fields, are supposed to generate fast radio bursts. However, the origin of the distant radio bursts remains unknown.

The parent source galaxy is a metal-rich barred spiral galaxy similar to the Milky Way. FRB 20201124A is in a region where there is no significant star-forming activity, so its origin is inconsistent with the magnetar model, in which flares occur due to a long gamma-ray burst on the surface of a star. or a supernova explosion followed by the birth of a neutron star.

Source: lenta.ru

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