ʿAlāʾ al-Dīn ʿAlī ibn Ibrāhīm ibn al-Shāṭir

E1019824

ʿAlāʾ al-Dīn ʿAlī ibn Ibrāhīm ibn al-Shāṭir was a 14th-century Syrian astronomer and timekeeper whose innovative planetary models anticipated key features of the later Copernican system.

All labels observed (2)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf Syrian person ⓘ
astronomer ⓘ
medieval scientist ⓘ
timekeeper ⓘ
activeIn Damascus astronomical tradition ⓘ
aimedAt improving accuracy of prayer times ⓘ
improving astronomical tables for practical use ⓘ
improving qibla determination ⓘ
birthPlace Damascus ⓘ
Mamluk Sultanate ⓘ
centuryOfActivity 14th century ⓘ
citizenship Mamluk Sultanate ⓘ
corrected Ptolemaic planetary parameters ⓘ
Ptolemy’s lunar model ⓘ
Ptolemy’s solar model ⓘ
deathPlace Damascus ⓘ
designed astronomical instruments ⓘ
sundials ⓘ
water clocks ⓘ
developed geocentric planetary models using epicycles and eccentrics without equants ⓘ
improved lunar theory ⓘ
improved solar theory ⓘ
employer Umayyad Mosque of Damascus ⓘ
era Islamic Golden Age (late phase) ⓘ
linked to: Islamic Golden Age
fieldOfWork astronomical instrumentation ⓘ
astronomy ⓘ
mathematical astronomy ⓘ
timekeeping ⓘ
givenName ʿAlāʾ al-Dīn ʿAlī ⓘ
influenced Nicolaus Copernicus ⓘ
later European astronomy ⓘ
knownFor anticipating mathematical features of the Copernican system ⓘ
innovative planetary models ⓘ
non-Ptolemaic lunar model ⓘ
non-Ptolemaic solar model ⓘ
planetary models without the Ptolemaic equant ⓘ
languageOfWork Arabic ⓘ
name Ibn al-Shāṭir ⓘ
linked to: Ibn al-Shatir
notableWork Nihāyat al-Sūl fī Taṣḥīḥ al-Uṣūl ⓘ
Zīj al-Jadīd (New astronomical handbook) ⓘ
occupation astronomer ⓘ
muwaqqit ⓘ
patronymic ibn Ibrāhīm ⓘ
placeOfActivity Damascus ⓘ
positionHeld chief muwaqqit of the Umayyad Mosque in Damascus ⓘ
religion Islam ⓘ
usedModelType geocentric cosmology ⓘ
workLocation Umayyad Mosque of Damascus ⓘ

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Ibn al-Shatir → fullName → ʿAlāʾ al-Dīn ʿAlī ibn Ibrāhīm ibn al-Shāṭir ⓘ
Nihāyat al-sūl fī taṣḥīḥ al-uṣūl → authorNameInFull → ʿAlāʾ al-Dīn Abū al-Ḥasan ʿAlī ibn Ibrāhīm ibn al-Shāṭir ⓘ
linked to: ʿAlāʾ al-Dīn ʿAlī ibn Ibrāhīm ibn al-Shāṭir