T CrB is a system consisting of a white dwarf and a red giant. The white dwarf pulls material from its companion, and this material accumulates until a powerful explosion occurs. This “burst” temporarily makes the system as bright as Polaris, making it visible to the naked eye.
Historically “eruptions” were recorded in 1866 and 1946. Similar patterns of brightening and weakening before these events led scientists to believe an eruption was imminent this year. In 2023, T CrB exhibited unusual dimming, repeating its behavior before the eruption 80 years ago. But astrophysicists now say this alone does not guarantee a flare.
Experts, including NASA, are monitoring T CrB closely using modern tools such as gamma-ray telescopes.
Meanwhile, the night sky awaits.
Source: Ferra
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