Biographical Encyclopedia of Astronomers

2014 Edition
| Editors: Thomas Hockey, Virginia Trimble, Thomas R. Williams, Katherine Bracher, Richard A. Jarrell, Jordan D. MarchéII, JoAnn Palmeri, Daniel W. E. Green

Āryabhaṭa II

Reference work entry

Alternate Name

 Āryabhaṭa the Younger

Flourished (India), circa9501100

Āryabhaṭa II, the Hindu astronomer, is best known for his work entitled Mahāsiddhānta or Āryasiddhānta. It has been established indirectly that he lived and worked around the tenth century. In order not to confuse him with the well-known astronomer Āryabhaṭa, who lived in the fifth century, he is known as Āryabhaṭa II or the Younger.

The Mahāsiddhānta or Āryasiddhānta is an astronomical compendium based on the orthodox tradition of Smṛtis (passages from Vedic literature). The treatise written in Sanskrit consists of 18 chapters and 625 ślokas (verses). The first 12 chapters deal with mathematical astronomy. Detailed derivations are presented on topics such as the mean and true longitudes of the planets, eclipses of the Sun and the Moon, the projections of eclipses, the lunar crescent, and the heliacal rising and settings of planets, including some calculations on conjunctions of planets as well as planets with...

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Selected References

  1. Bose, D. M., S. N. Sen, and B. V. Subbarayappa (1971). A Concise History of Science in India. New Delhi: Indian National Science Academy, p. 167.Google Scholar
  2. Datta, B. (1926). “Two Āryabhatas of al-Bīrūnī.” Bulletin of the Calcutta Mathematical Society 17: 59–74.MATHGoogle Scholar
  3. Dikshit, S. B. (1896). Bhāratīya Jyotisha. Poona. (English translation by R. V. Vaidya. 2 pts. New Delhi: Government of India Press, Controller of Publications, 1969, 1981, pp. 95–99.)Google Scholar
  4. Dvivedin, Sudhkara (ed. and comm.) (1910). Mahāsiddhānta. Benares Sanskrit Series Vol. 36, nos. 148–150. Benares. (Reprint, New Delhi: Caukamba Sanskrit Prathista, 1995.)Google Scholar
  5. Jha, V. N. (1994). “Indeterminate Analysis in the Context of the Mahāsiddhānta of Āryabhata II.” Indian Journal of History of Science 29: 565–578.Google Scholar
  6. — (1997). “Āryabhata II’s Method for Finding Cube Root of a Number.” Ganita Bhāratī 19: 60–68.Google Scholar
  7. Kaye, G. R. (1910). “The Two Āryabhatas.” Bibliotheca Mathematica 10: 289–292.Google Scholar
  8. Pingree, David (1970). “Āryabhata II.” In Dictionary of Scientific Biography, edited by Charles Coulston Gillispie. Vol. 1, pp. 309–310. New York: Charles Scribner’s Sons.Google Scholar
  9. Census of the Exact Sciences in Sanskrit. Series A. Vol. 1 (1970): 53b-54a; Vol. 2 (1971): 15b-16a; Vol. 4 (1981): 28a; Vol. 5 (1994): 17a. Philadelphia: American Philosophical Society.Google Scholar
  10. — (1992). “On the Date of the Mahāsiddhānta of the Second Āryabhata.” Ganita Bhāratī 14: 55–56.Google Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Indian Institute of AstrophysicsBengaluruIndia