What was the name of Polaris in ancient China?

Traditionally in China, Polaris is of extraordinary significance, such as Taiyi in the Five Emperors era in 2263 BC and Di in the Duke of Zhou in 1097 BC. This is because they seem to be fixed in the sky and supported by the stars, so they are regarded as the owners of the stars.

"Erya Shi Tian" contains:

The North Pole is called Beichen.

"The Analects of Confucius for politics" contains:

Rule by virtue is like Beichen, living in its place and surrounded by stars.

"Watch the elephant and play with it" includes:

Polaris in Wei Zi Palace, known as Beichen, is the highest star in the sky. Its new star is also the hub of the sky. The sky is infinite, three lights are shining, and the stars are still. Therefore, it is said that "living in its place, the stars arch the moon."