History of the star: A double and variable, 2.2 to 2.7 and 14.3, red and bluish star in the left shoulder of the Centaur Centaurus.

[Star Names, Their Lore and Meaning, Richard Hinchley Allen, 1889].

The astrological influences of the constellation: It is said to give hard-heartedness, inclination to vengeance, love of arms, strong passion, and an energetic nature. It may be connected with poisons. (Robson).

The astrological influences of the constellation given by Manilius:

"The Centaur, from his own nature assigns qualities to his progeny. Such a one will either urge on asses with the goad and yoke together quadrupeds of mixed stock or will ride aloft in a chariot; else he will saddle horses with a fighter or drive them into the fight ("he will load horses with arms or drive them into arms", that is yoked to war-chariots).  

Another knows how to apply the arts of healing to the limbs of animals [translator's note; these endowments reflect the identification of Centaurus as Chiron] and to relieve the dumb creatures of the disorders they cannot describe for his hearing.

His is indeed a calling of skill, not to wait for the cries of pain, but recognize betimes a sick body not yet conscious of its sickness". [Astronomica, Manilius, 1st century A.D, book 5, p.329].