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{{Short description|Arab astronomer}}
{{Short description|Arab geographer and astronomer (fl. 832)}}
{{Other people|Ali ibn Isa}}
{{Other people|Ali ibn Isa}}{{Distinguish|Al-Badi' al-Asturlabi
}}
⚫
'''ʿAlī ibn ʿĪsā al-Asṭurlābī''' ({{lang-ar|علي بن عيسى}}) was an [[Arabs|Arab]]<ref>{{cite journal|last1=H.|first1=Suter|title=al-BADĪʿ al-ASṬURLĀBĪ|publisher=Brill|language=en|doi=10.1163/1573-3912_islam_sim_0993}}</ref> astronomer and [[Islamic geography|geographer]] of the 9th century. He wrote a treatise on the [[astrolabe]] and was an opponent of [[astrology]]. During the reign of [[al-Ma'mun]], and together with [[Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī]], he participated in an expedition to the Plain of [[Sinjar]] to measure the length of a [[latitude|degree]].{{sfn|Bolt|2007}} Differing reports state that they obtained a result of {{convert|56|mi|km}}, 56 and two-thirds, or 56 and one-quarter miles per degree.<ref>{{cite book|chapter=Geodesy|author=Raymond Mercier|page=966|title=Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures|volume=1|year=2008|editor=Helaine Selin|publisher=Springer|bibcode=2008ehst.book.....S }}</ref>
{{Use British English|date=February 2023}}
{{Infobox academic
| image =
| image_size =
| caption =
| name = Alī ibn ʿĪsā al-Asṭurlābī
| native_name = علي بن عيسى
| native_name_lang = ar
| birth_date = before 858
| birth_place =
| death_date =
| death_place =
| era = [[Islamic Golden Age]]
| school_tradition =
| main_interests = [[Geography]], [[astronomy]]
| notable_ideas =
| major_works =
| influences =
| influenced =
}}
⚫
'''ʿAlī ibn ʿĪsā al-Asṭurlābī''' ({{lang-ar|علي بن عيسى}}, fl. 832) was a 9th century [[Arabs|Arab]] [[Islamic geography|geographer]] and [[astronomer]]. He wrote a [[treatise]] on the [[astrolabe]] and was an opponent of [[astrology]]. During the reign of [[al-Ma'mun]], and together with [[Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī]], he participated in an expedition to the Plain of [[Sinjar]] to measure the length of a [[latitude|degree]].{{sfn|Bolt|2007|p=34}} Differing reports state that they obtained a result of {{convert|56|mi}}, 56 and two-thirds, or 56 and one-quarter miles per degree.{{sfn|Mercier|2008|p=966}}


== See also ==
==References==
* [[List of Arab scientists and scholars]]

==Notes==
{{reflist}}
{{reflist}}


==References==
==Sources==
* {{cite encyclopedia | editor = Thomas Hockey | last = Bolt | first = Marvin | title=ʿAlī ibn ʿĪsā al‐Asṭurlābī | encyclopedia = The Biographical Encyclopedia of Astronomers | publisher = Springer | year = 2007 | location = New York | page = 34 | url=http://islamsci.mcgill.ca/RASI/BEA/Ali_ibn_Isa_al-Asturlabi_BEA.htm | isbn=978-0-387-31022-0|display-editors=etal}} ([http://islamsci.mcgill.ca/RASI/BEA/Ali_ibn_Isa_al-Asturlabi_BEA.pdf PDF version])
* {{cite book | last=Bolt |first= Marvin | editor1-last=Hockey |editor1-first=Thomas |title=[[Biographical Encyclopedia of Astronomers]] |date=2007 |publisher=[[Springer Publishers]] |isbn= |edition= |access-date=|chapter=ʿAlī ibn ʿĪsā al-Asṭurlābī |language=|display-editors=etal |chapter-url=http://islamsci.mcgill.ca/RASI/BEA/Battani_BEA.htm }}
* {{cite book |last1=Mercier |first1=Raymond |editor1-last=Selin |editor1-first=Helaine |title=Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures |date=2008 |publisher=[[Springer Nature]] |location=Berlin |isbn=978-14020-4-559-2 |page=|volume=1 |edition=2nd |url=https://books.google.com/books?id=kt9DIY1g9HYC |chapter=Geodesy}}

==Further reading==
* ʿAlī ibn ʿĪsā al-Asṭurlābī, Kitāb al-ʿamal bi-l-asṭurlāb , ed. by P. Louis Cheikho : "'Kitāb al-ʿamal bi-l-asṭurlāb li-ʿAlī ibn ʿĪsā", in: al-Mashriq 16 (1913), pp. 29–46; transl. German by Carl Schoy, "ʿAlī ibn ʿĪsā, Das Astrolab und sein Gebrauch", in: Isis 9 (1927), pp. 239–254.
{{Astronomer-stub}}


{{Islamic astronomy}}
{{Islamic astronomy}}

{{authority control}}
{{authority control}}


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[[Category:9th-century astronomers]]
[[Category:9th-century astronomers]]
[[Category:9th-century people from the Abbasid Caliphate]]
[[Category:9th-century people from the Abbasid Caliphate]]
[[Category:9th-century Arabs]]
[[Category:9th-century Arab people]]
[[Category:Astronomers of the medieval Islamic world]]

Revision as of 04:19, 22 August 2023

For other people named Ali ibn Isa, see Ali ibn Isa (disambiguation).
Not to be confused with Al-Badi' al-Asturlabi.

Alī ibn ʿĪsā al-Asṭurlābī
علي بن عيسى
Bornbefore 858
Academic work
EraIslamic Golden Age
Main interestsGeography, astronomy

ʿAlī ibn ʿĪsā al-Asṭurlābī (Arabic: علي بن عيسى, fl. 832) was a 9th century Arab geographer and astronomer. He wrote a treatise on the astrolabe and was an opponent of astrology. During the reign of al-Ma'mun, and together with Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī, he participated in an expedition to the Plain of Sinjar to measure the length of a degree.[1] Differing reports state that they obtained a result of 56 miles (90 km), 56 and two-thirds, or 56 and one-quarter miles per degree.[2]

References

  1. ^ Bolt 2007, p. 34.
  2. ^ Mercier 2008, p. 966.

Sources

  • Bolt, Marvin (2007). "ʿAlī ibn ʿĪsā al-Asṭurlābī". In Hockey, Thomas; et al. (eds.). Biographical Encyclopedia of Astronomers. Springer Publishers.
  • Mercier, Raymond (2008). "Geodesy". In Selin, Helaine (ed.). Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures. Vol. 1 (2nd ed.). Berlin: Springer Nature. ISBN 978-14020-4-559-2.

Further reading

  • ʿAlī ibn ʿĪsā al-Asṭurlābī, Kitāb al-ʿamal bi-l-asṭurlāb , ed. by P. Louis Cheikho : "'Kitāb al-ʿamal bi-l-asṭurlāb li-ʿAlī ibn ʿĪsā", in: al-Mashriq 16 (1913), pp. 29–46; transl. German by Carl Schoy, "ʿAlī ibn ʿĪsā, Das Astrolab und sein Gebrauch", in: Isis 9 (1927), pp. 239–254.
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