Vaṭeśvara, son of Mahādatta Bhaṭṭa, was a tenth-century Indian astronomer from a town in the Kashmir valley. Some accounts name Ānandapura as the place of his birth. He is the author of the Vaṭeśvara Siddhānta, which he completed at the age of 24, in 904 CE (Śaka 826). Al-Bīrūnī refers to a work called Karaṇasāra, which he says was written by Vitteśvara, son of Mihadatta. It is likely that this astronomer is the same as Vaṭeśvara. According to al-Bīrūnī, Vitteśvara was born in Nāgarapura.
Although the Vaṭeśvara Siddhānta survives only in a solitary manuscript found at Lahore, it seems to have been a widely read work for a long time. Its influence is seen on major astronomers like Śrīpati, Bhāskara II, and Kamalākara Bhaṭṭa. Vaṭeśvara was an Āryabhaṭan by persuasion and adopted several stances taken by the great pioneer. For instance, most astronomers divide the Mahāyuga of 43,20,000 years into the four yugas, the Kṛta, Tretā, Dvāpara, and Kaliin a 4:3:2:1 ratio. But Vaṭeśvara...
KeywordsHigh Standard Celestial Body Innovative Method Short Section True Motion
- Sastry, T. S. K. (1969). The system of the Vaṭeśvara Siddhānta. Indian Journal of History of Science, 4(1–2), 135–143.Google Scholar
- Shukla, K. S. (1972). Hindu astronomer Vaṭeśvara and his works. Ganita, 23(2), 65–74.Google Scholar
- Shukla, K. S. (Ed.). (1986). Vaṭeśvara-siddhānta and Gola of Vaṭeśvara (Vol. 2). New Delhi, India: Indian National Science Academy.Google Scholar