Rare Optical Flare AT2022zod May Be an Unusual Tidal Disruption Event, Astronomers Say International Team Investigates a Powerful and Mysterious Flare Study Posted on arXiv Reveals New Clues to a Rare Phenomenon An international team of astronomers has examined a brief but intense optical flare known as AT2022zod, uncovering evidence that it may represent an unusual tidal disruption event. Their results, posted on 1 December on the arXiv pre-print server, shed new light on this rare phenomenon. A tidal disruption event (TDE) occurs when a star wanders too close to a supermassive black hole and is torn apart by immense tidal forces. The shredded stellar material then spirals inward, producing radiation from the innermost regions of the accreting debris — a telltale hallmark of a TDE. A Mysterious Flare Observed in 2022 Optical Outburst Lasted Just Over a Month AT2022zod was observed as an optical flare lasting just over a month, from 13 October to 18 November 2022, with a rise of rough...
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