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{{Short description|Indian astronomer and mathematician}} |
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'''Pandita Jagannatha Samrat''' (1652–1744) was an [[India]]n [[astronomer]] and [[mathematician]] in the court of [[Jai Singh II of Amber]]. He learned [[Arabic language|Arabic]] and [[Persian language|Persian]] in order to study [[Islamic astronomy]]. His works include ''Rekhaganita'', a translation of [[Euclid]]'s ''[[Euclid's Elements|Elements]]'' made from [[Nasir al-Din al-Tusi]]'s Arabic recension of same; ''Siddhantasarakaustubha'', a translation of the ''[[Almagest]]'' from Arabic; and two works on astronomical instruments such as the [[astrolabe]], ''Siddhanta-samrat'' and ''Yantraprakara'', which also record astronomical [[observations]] made by Jagannatha. |
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'''Paṇḍita Jagannātha Samrāṭ''' (1652–1744) was an Indian [[astronomer]] and [[mathematician]] who served in the court of [[Jai Singh II of Amber]], and was also his guru. |
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Jagannātha, whose father's name was Gaṇeśa,<ref name=kvs/><ref name=na/> and grandfather's Viṭṭhala<ref name=na/> was from a [[Vedic priesthood|Vedic]] family<ref name=kvs/> originally from [[Maharashtra]].<ref name=na/> |
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At the suggestion of Jai Singh, he learned [[Arabic language|Arabic]] and [[Persian language|Persian]], in order to study [[Islamic astronomy]].<ref name=kvs/><ref name=na/> Having become proficient in these languages, he translated texts in these languages into [[Sanskrit]].<ref name=kvs/><ref name=na/> These translations include: |
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* ''Rekhā-gaṇita'', a translation of [[Euclid]]'s ''[[Euclid's Elements|Elements]]'' made from [[Nasir al-Din al-Tusi]]'s Arabic recension of the same. For this work, he had to coin more than a hundred Sanskrit mathematical terms<ref name=kvs/> |
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* ''Siddhānta-sāra-kaustubha'', a translation of [[Ptolemy]]'s ''[[Almagest]]'' from [[Nasir al-Din al-Tusi]]'s Arabic version<ref name=kvs/><ref name=na/> |
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His original works include: |
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*''Siddhānta-samrāṭ'', which describes astronomical instruments, their design and construction, and observations. It also describes the use of these observations in correcting parameters and preparing almanacs. It mentions how Jai Singh, who earlier used astronomical instruments (such as the [[astrolabe]]) made of metal, later switched to huge outdoor observatories (such as the [[Jantar Mantar]]), as they were more precise; also they were made of stone and mortar rather than brick, to diminish the effects of wear-and-tear and climate.<ref name=kvs/> |
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* ''Yantra-prakāra'', which describes astronomical instruments, measurements, computations, etc. in more detail, and also observations made by him.<ref name=kvs/> |
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Jagannātha held that when theory and observation differed, observation was the true ''[[Pramana|pramāṇa]]'' and overruled theory.<ref name=na/> While he used and described a number of astronomical instruments, telescopes were not one of them.<ref name=na/> |
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==References== |
==References== |
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{{reflist|refs= |
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*[[K. V. Sarma]]. "Jagannatha Samrat." In ''Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures'', ed. Helaine Selin, [http://books.google.com/books?id=yoiXDTXSHi4C&pg=PA460 pp. 460-61]. Dordrecht: Kluwer Academic Publishers, 1997. ISBN 9780792340669. |
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<ref name=kvs> |
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*Harilal Harshadarai Dhruva. "The ''Rekhaganita'' or Geometry in Sanskrit", pp. |
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{{Citation |
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| author = [[K. V. Sarma]] |
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| contribution = Jagannātha Samrāṭ |
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| editor = [[Helaine Selin]] |
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| title = Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures |
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| year = 2008 |
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| pages = 460–61 |
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| publisher = Kluwer Academic Publishers |
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| bibcode = 2008ehst.book.....S |
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| place = Dordrecht |
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| publication-date = 1997 |
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| contribution-url = https://books.google.com/books?id=yoiXDTXSHi4C&pg=PA460 |
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</ref> |
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⚫ | <ref name=na>{{cite encyclopedia | editor = Thomas Hockey | display-editors = etal | last = Achar | first = Narahari | title = Jagannātha Samrāṭ | encyclopedia = The Biographical Encyclopedia of Astronomers | publisher = Springer | date = 2007 | location = New York | page = 584 | url=http://islamsci.mcgill.ca/RASI/BEA/Jagannatha_Samrat_BEA.htm | isbn=978-0-387-31022-0}} ([http://islamsci.mcgill.ca/RASI/BEA/Jagannatha_Samrat_BEA.pdf PDF version], [https://books.google.com/books?id=t-BF1CHkc50C&pg=PA584 Google Books])</ref> |
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}} |
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⚫ | *Harilal Harshadarai Dhruva. "The ''Rekhaganita'' or Geometry in Sanskrit", pp. 35 ff. Bombay: Bombay Sanskrit Series, no. LXI, 1901. |
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==External links== |
==External links== |
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*[http://www.wilbourhall.org/index.html#rekha The ''Rekhaganita''] Sanskrit text with English introduction. Two volumes. (PDF) |
*[http://www.wilbourhall.org/index.html#rekha The ''Rekhaganita''] Sanskrit text with English introduction. Two volumes. (PDF) |
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{{Indian mathematics}} |
{{Indian mathematics}} |
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{{Indian astronomy}} |
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{{authority control}} |
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{{Persondata <!-- Metadata: see [[Wikipedia:Persondata]]. --> |
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| NAME = Samrat, Jagannatha |
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| ALTERNATIVE NAMES = |
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| SHORT DESCRIPTION = |
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| DATE OF BIRTH = 1652 |
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| PLACE OF BIRTH = |
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| DATE OF DEATH = 1744 |
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| PLACE OF DEATH = |
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{{DEFAULTSORT:Samrat, Jagannatha}} |
{{DEFAULTSORT:Samrat, Jagannatha}} |
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[[Category:1652 births]] |
[[Category:1652 births]] |
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[[Category:1744 deaths]] |
[[Category:1744 deaths]] |
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[[Category:Indian |
[[Category:17th-century Indian astronomers]] |
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[[Category: |
[[Category:18th-century Indian astronomers]] |
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[[Category: |
[[Category:17th-century Indian mathematicians]] |
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[[Category:Indian |
[[Category:18th-century Indian mathematicians]] |
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[[Category: |
[[Category:Scientists from Rajasthan]] |
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[[Category: |
[[Category:Scholars from Rajasthan]] |
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[[Category:Indian Hindus]] |
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{{India-scientist-stub}} |
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{{astronomer-stub}} |
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[[hi:जगन्नाथ सम्राट]] |
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[[ht:Jagannatha Samrat]] |
Paṇḍita Jagannātha Samrāṭ (1652–1744) was an Indian astronomer and mathematician who served in the court of Jai Singh II of Amber, and was also his guru.
Jagannātha, whose father's name was Gaṇeśa,[1][2] and grandfather's Viṭṭhala[2] was from a Vedic family[1] originally from Maharashtra.[2]
At the suggestion of Jai Singh, he learned Arabic and Persian, in order to study Islamic astronomy.[1][2] Having become proficient in these languages, he translated texts in these languages into Sanskrit.[1][2] These translations include:
His original works include:
Jagannātha held that when theory and observation differed, observation was the true pramāṇa and overruled theory.[2] While he used and described a number of astronomical instruments, telescopes were not one of them.[2]
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