A new phenomenon has been discovered in distant space: astronomers have never seen such supernovae.

A new phenomenon has been discovered in distant space: astronomers have never seen such supernovae.

In a galaxy about 500 million light-years from Earth Astronomers A new type of supernova has been discovered. This powerful explosion, known as the core crash supernova that caused the merger, was expected to be detected in some of the stars’ orbiting systems, but they have not yet been recorded.

The most common supernova is called a nuclear crash supernova, which occurs when a large star runs out of fuel and crashes on its own. “It’s a star that dies from old age,” says Dillon Dong of the California Institute of Technology in Pasadena. “We found that big stars die very early.”


Space

In 2017 and 2018, Dong and colleagues on the Very Large Array Sky Survey searched for bright radio emitting objects that were not present in previous reviews. They found a much brighter flash than the others called J121001 + 495647. They made observations and searched archival data until they discovered a flash of gamma rays that occurred at the same location in 2014.

Combining all this information, the researchers put together a clear picture of the history of the object. Their calculations show that an array star orbiting a compact object – a neutron star or a black abyss – fell into a star and scattered the plasma around it.

“Imagine a really heavy object swimming through the water – it would cause waves and the water would fall to the sides,” Dong says. “The same thing happens with stellar objects.”

Eventually, the compact object disrupted the star’s nucleus, causing a powerful explosion in 2014. The whole star exploded a little slower, causing a shock wave to fall through the shell of matter, creating radio waves that prompted Dong and his colleagues to explode.

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Source: newscientist.com/article/2288765

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