Dhruva (immovable) is a Hindu astral god, mentioned in Vedic and Puranic texts. He is the son of Uttanapada, a star in the constellation of Ursa Minor, which was the pole star in the final millennium BC. An avatar of Vishnu, he also was a vasu answering to Indra. In different context, he was described as a fixed icon. His attributes are prayer wheel, rosary, spear, and water. A.G.H.
Jordan, Michael, Encyclopedia of Gods, New York, Facts On File, Inc. 1993, p. 65