The Chinese Academy of Sciences’ Purple Mountain Observatory announced that China’s advanced space-based solar observatory ASO-S, called Quafu-1, has detected more than 100 solar white light flares since its launch in October 2022.
The observatory explained, in a statement broadcast by the Chinese news agency, Xinhua, that solar white light flares are a type of flare that shows enhanced radiation in the continuous spectrum of visible light. These flares usually have high energy and can have an impact on space weather, causing… In disturbances or interruptions in ground communications, as well as interference with the normal operation of spacecraft.
He pointed out that before the launch of the Advanced Space Solar Observatory, a comprehensive solar observation satellite used for solar energy research, observing and reporting solar white light flares was limited to about 300 cases, which represents a relatively small percentage of the total number of flares.
The satellite’s research team analyzed 205 high-energy flares that occurred between October 2022 and May 2023, and 49 white light flares were identified among them, raising the incidence of white light flares by 24 percent, which is much higher than previously observed data. .
It is worth noting that the Advanced Space Solar Observatory was officially delivered to the Purple Mountain Observatory in September 2023. Since its launch, the satellite has recorded nearly 600 terabytes of unprocessed solar observation data, providing a wealth of material for subsequent research.
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