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China's new wide-field survey telescope scopes out Andromeda galaxy

The image of Andromeda as seen through the Wide Field Survey Telescope (WFST). Photo by University of Science and Technology of China/Xinhua.
The image of Andromeda as seen through the Wide Field Survey Telescope (WFST). Photo by University of Science and Technology of China/Xinhua.

The Wide Field Survey Telescope (WFST), which measures 8.2 feet (2.5 meters) in diameter and is situated in the mountains of northwest China's Qinghai province, entered into operation. And for its debut image release, the facility delivered a stunning wide-field, high resolution portrait of our neighboring galaxy, Andromeda. This was reported by The Xinhua News Agency.

WFST was jointly developed by the University of Science and Technology of China and the Purple Mountain Observatory (PMO) under the Chinese Academy of Sciences (CAS).

The telescope is now the largest time-domain survey facility in the Northern Hemisphere, according to the CAS. It features 9k x 9k mosaic CCD (charge-coupled device) detectors, meaning it has a resolution of 9,000 pixels in both horizontal and vertical axes, allowing it to capture exceptionally detailed astronomical images.

WFST will monitor specific areas of the sky over a period of time with the aim of picking out transient astronomical events such as supernovas, tidal disruption events and multi-messenger events. It is also  nicknamed Mozi, or Micius, after an ancient Chinese philosopher who engaged in early optical experiments.

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WFST marks a big step forward for Chinese astronomy. It will greatly improve China's near-Earth object monitoring and early warning capabilities, said Kong Xu, the project's chief designer at the University of Science and Technology of China

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