Chen Zhuo

Chen Zhuo

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Chen Zhuo was a Chinese astronomer of the 3rd century.
He was the royal astronomer of the kingdom of Wu, in the Three Kingdoms period of ancient China.

Chen Zhuo collected the works of earlier astronomers of the Han period and combined them into a single system. His star catalogue
Star catalogue
A star catalogue, or star catalog, is an astronomical catalogue that lists stars. In astronomy, many stars are referred to simply by catalogue numbers. There are a great many different star catalogues which have been produced for different purposes over the years, and this article covers only some...

 listed 1,464 stars in 283 constellations.
His work has been lost, but information on his system of constellations survives in Tang period records, notably by Qutan Xida.