Clarissa Pavao, a student at Embry-Riddle Aeronautical University in Prescott, USA, discovered a rare
The binary star system is clearly visible in X-ray light and is distinguished by its enormous mass. However, what surprised astronomers most was its very circular orbit. This is unusual for binary star systems.
The study showed that the star systemCPD-29 2176 formed because the supernova did not explode with the expected power. Scientists compared this event to an unexploded firecracker in space.
Typically, when a star has used up everythingfuel, its core is destroyed and it explodes. However, in this case, astronomers discovered an “exhausted” supernova that failed to explode “properly.”
In binary systems, when one star becomessupernova, due to the strong explosion, the orbits of the two objects acquire an elliptical shape. However, in the case of CPD-29 2176, “the star was so depleted that its explosive energy was not sufficient to ‘repel’ the star and give the orbit a typical shape,” the scientists wrote.
According to scientists, there are only about 10 star systems in our galaxy similar to CPD-29 2176. This means that this is a very rare object.
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On the cover: binary star system CPD-29 2176, photo NOIRLab / NSF / AURA / J. da Silva / Spaceengine