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X-ray telescope NICER caught three separated spots emitting bright radiation on the surface of magnetar SGR 1830-0645. Later these spots merged into one, which was observable in the telescope data.
Astronomers led by Byeong-Cheol Lee have made a groundbreaking discovery, detecting a brown dwarf orbiting the red giant HD 18438. With a radius of 89 times that of the Sun, HD 18438 is now the largest known star to be orbited by an exoplanet or brown dwarf.