Astronomers using NASA’s Chandra X-ray Observatory have pinpointed the cause of recurring, powerful outbursts from a colossal and volatile star. This star, known as AT 2016blu, resides in the spiral galaxy NGC 4559, approximately 30 million light-years away, and is estimated to be at least 33 times more massive than our Sun. The discovery offers crucial insights into the extreme behavior of some of the universe’s most massive stellar objects.
Unraveling Stellar Fury
The unprecedented X-ray observations have shed light on the dramatic events unfolding around AT 2016blu. This supermassive star is not just large; it’s inherently unstable, leading to periodic, energetic expulsions of material. Understanding these outbursts is key to comprehending stellar evolution and the processes that shape galaxies.
A Cosmic Phenomenon
Located in NGC 4559, this colossal star’s explosive nature has been captured in exquisite detail by Chandra. The observatory’s sensitive instruments can detect the high-energy X-rays emitted during these stellar tantrums, allowing scientists to study the underlying physics. Such events are rare and provide a unique opportunity to learn about the life cycle of massive stars and their impact on their galactic environments.
Source: NASA
