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Artist's impression of radio bursting magnetar

Artist's impression of radio bursting magnetar


Date: 28 July 2020
Satellite: INTEGRAL
Copyright: ESA

Artist's impression of SGR 1935+2154, a highly magnetised stellar remnant, also known as a magnetar.

Discovered in 2014 in the constellation of Vulpecula following a substantial burst of X-rays, the magnetar became active again in April 2020. ESA's Integral high-energy space observatory detected a burst of high-energy, or 'hard', X-rays on 28 April, automatically alerting observatories worldwide about the discovery in just seconds. Soon after, astronomers spied something astonishing: this magnetar was not only radiating its usual X-rays, but radio waves, too.

This unique mix of radiation, never before seen bursting from such a stellar remnant, may solve a long-standing cosmic mystery about the nature of Fast Radio Bursts – powerful events that pulse brightly in radio waves for just a few milliseconds before fading away, and are only rarely seen again.

Last Update: 28 July 2020
3-Dec-2024 18:04 UT

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