Home / NewTech / ESA scientists discover dead stars in the Milky Way that emit a unique radiation mix – Technology News, Firstpost

ESA scientists discover dead stars in the Milky Way that emit a unique radiation mix – Technology News, Firstpost



The European Space Agencys integral high-energy space observatory and worldwide collaboration of telescopes have managed to capture a unique mixture of radiation emitted by a dead star in our Milky Way galaxy. According to the study̵

7;s authors, the discovery could solve a longstanding cosmic mystery.

An ESA statement mentions that the finding includes two types of cosmic phenomena, magnetars and rapid radio waves.

    ESA scientists discover dead stars in the Milky Way, which emit a unique radiation mixture

Artist’s impression of SGR 1935 + 2154, a highly magnetized star remnant, also known as Magnetar. Credit: ESA

The results of the study were published in the Astrophysical diary letters.

Magnetars have some of the most intense magnetic fields in the universe and, when active, can produce short bursts of high-energy radiation that is billions of times brighter than the sun.

Radio bursts that were first discovered in 2007 are a mystery. They pulsate brightly in radio waves for only a few milliseconds before they fade and are rarely seen again.

According to scientists, the true nature of rapid radio waves is unknown. So far, no such phenomenon of known origin has been observed in the Milky Way that emits radiation that is outside the range of the radio wave.

According to the report, a magnetar that was discovered in the Vulpecula constellation six years ago and is called SGR 1935 + 2154 became active after a significant X-ray. Soon thereafter, astronomers discovered that the magnetar emitted both X-rays and radio waves.

Sandro Mereghetti from the National Institute for Astrophysics (INAF– –IASF) in Milan, the study’s lead author, said they discovered the Magnetars outbreak of high energy, or heavy, X-rays with the Integral Space Observatory on April 28th.

Mereghetti said that Burst Alert System on Integrally alarmed worldwide observatories within seconds of the discovery.

With the CHIME radio telescope in Canada, astronomers on earth discovered an extremely bright burst of short radio waves from direction SGR 1935 + 2154, which was independently confirmed a few hours later by the survey on transient astronomical radio emissions 2 (STARE2) in the USA.

Mereghetti revealed that they had never seen a radio wave burst like a rapid radio burst from a magnetar.

The co-author of the Volodymyr Savchenko study from the Integral Science Data Center at the University of Geneva revealed that an IBIS imager on Integral allowed them to confirm that the origin of the burst was related to the Magnetar.

“This is the first observation link between magnetars and fast radio waves. It is an important discovery and helps to focus on the origin of these mysterious phenomena, ”said Mereghetti.

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