What does Tianquan mean?

Megrez, Δ uma in Ursa Major, also known as Wenquxing in ancient China, is the darkest star in the Big Dipper, also known as Wenquxing, which is about 80.5 light years (24.7 parsec) away from the sun.

In the spoon-shaped image of the Big Dipper, Tianquan is a star located at the junction of bucket handle and Doushao, which is the fourth star from the handle of the spoon. The apparent magnitude of the sky is 3.30, which is a main sequence star with a larger mass and radius than the sun.

In ancient China, "Tianquan" was "Tianheng". Tian Wenzhi in the Book of Jin said that Beidou is too north, its pivot is the sky, its grace is the earth, its strength is the time, its balance is the sound, its day is the law, and its light is the star. In ancient divination in China, Tianquan, also known as Wenquxing, symbolized literary luck and had a strong superstitious color.

In the west, the traditional name of Tianquan is Megrez, which comes from an Arabic phrase meaning "the root of a bear's tail". ? [3]? It also has a name Kaffa, which appeared in the Czech astronomer Antonin Bechevan (Antonin Be? vá？ ) was published in Atlas Coeli at 195 1, but other astronomers did not find any clues about the origin of this name.

For Hindus, the right of heaven is called? Atri is one of the seven Vedas. In Bayer nomenclature, Tianquan is named δ(δ Uma) in Ursa Major.