Maragha observatory

E242163

astronomical observatory medieval scientific institution research institution

The Maragha observatory was a major 13th-century astronomical center in Persia, renowned for its advanced instruments and influential contributions to Islamic and global astronomy.

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All labels observed (5)

Label	Occurrences
Maragha observatory canonical	11
Maragha school of astronomy	6
Maragheh observatory	3
Maragha astronomers	1
Maragha astronomical school	1

How this entity was disambiguated

This entity first appeared as the object of triple T2186530 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Maragha observatory
Context triple: [Mongol Ilkhanate, importantCulturalCenter, Maragha observatory]

A. House of Wisdom
The House of Wisdom was a renowned intellectual center and library in Baghdad where scholars of the Islamic Golden Age translated, preserved, and advanced knowledge in fields such as science, philosophy, and medicine.
B. Quba Mosque
Quba Mosque is an important early Islamic mosque in Medina, Saudi Arabia, revered as the first mosque built by the Prophet Muhammad.
C. Nizamiyya of Baghdad
The Nizamiyya of Baghdad was a renowned medieval Islamic institution of higher learning, celebrated for its advanced studies in theology, law, and literature and for educating prominent scholars such as Saadi.
D. Karatay Medrese
Karatay Medrese is a 13th-century Seljuk theological school in Konya, Turkey, renowned for its exquisite tilework and historic Islamic architecture.
E. Al-Sufi
Al-Sufi was a renowned 10th-century Persian astronomer and scholar best known for his influential star catalog and detailed descriptions of constellations in "The Book of Fixed Stars."
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Maragha observatory
Target entity description: The Maragha observatory was a major 13th-century astronomical center in Persia, renowned for its advanced instruments and influential contributions to Islamic and global astronomy.

A. House of Wisdom
The House of Wisdom was a renowned intellectual center and library in Baghdad where scholars of the Islamic Golden Age translated, preserved, and advanced knowledge in fields such as science, philosophy, and medicine.
B. Quba Mosque
Quba Mosque is an important early Islamic mosque in Medina, Saudi Arabia, revered as the first mosque built by the Prophet Muhammad.
C. Nizamiyya of Baghdad
The Nizamiyya of Baghdad was a renowned medieval Islamic institution of higher learning, celebrated for its advanced studies in theology, law, and literature and for educating prominent scholars such as Saadi.
D. Karatay Medrese
Karatay Medrese is a 13th-century Seljuk theological school in Konya, Turkey, renowned for its exquisite tilework and historic Islamic architecture.
E. Al-Sufi
Al-Sufi was a renowned 10th-century Persian astronomer and scholar best known for his influential star catalog and detailed descriptions of constellations in "The Book of Fixed Stars."
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	astronomical observatory ⓘ medieval scientific institution ⓘ research institution ⓘ
architecturalStyle	Ilkhanid architecture ⓘ
continent	Asia ⓘ
coordinateApprox	37.3833°N 46.2500°E ⓘ
country	Ilkhanate ⓘ linked to: Mongol Ilkhanate
director	Nasir al-Din al-Tusi ⓘ
employed	Fathallah al-Shirwani ⓘ Mu’ayyad al-Din al-Urdi ⓘ Qutb al-Din al-Shirazi ⓘ linked to: Qutb al-Din Shirazi astronomers from various regions of the Islamic world ⓘ
era	13th century ⓘ
field	astrology ⓘ astronomy ⓘ mathematics ⓘ
foundedBy	Hulagu Khan ⓘ linked to: Hülegü Khan Nasir al-Din al-Tusi ⓘ
hadFacility	library ⓘ residential quarters for scholars ⓘ workshops for instrument making ⓘ
hadInstrument	armillary sphere ⓘ azimuthal instruments ⓘ large mural quadrant ⓘ water clocks ⓘ
heritage	important site in the history of astronomy ⓘ
inception	1259 ⓘ
influenced	Samarqand observatory ⓘ linked to: Ulugh Beg observatory Taqi al-Din observatory in Istanbul ⓘ development of non-Ptolemaic planetary models ⓘ later Islamic observatories ⓘ planetary models of Ibn al-Shatir ⓘ
influencedBy	Ptolemaic astronomy ⓘ linked to: Hellenistic astronomy earlier Islamic astronomical traditions ⓘ
knownFor	advanced astronomical instruments ⓘ development of planetary models ⓘ influence on early modern European astronomy ⓘ influence on later Islamic astronomy ⓘ systematic observational astronomy ⓘ
locatedIn	Azerbaijan region ⓘ Maragheh ⓘ Persia ⓘ present-day Iran ⓘ
operationalPeriod	13th century ⓘ 14th century ⓘ
patron	Hulagu Khan ⓘ linked to: Hülegü Khan Ilkhanid dynasty ⓘ linked to: Mongol Ilkhanate
produced	Zij-i Ilkhani ⓘ
status	ruins ⓘ

How these facts were elicited

Referenced by (22)

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

Mongol Ilkhanate → importantCulturalCenter → Maragha observatory ⓘ

Islamic astronomy → hasKeyInstitution → Maragha observatory ⓘ

Nasir al-Din al-Tusi → founded → Maragha observatory ⓘ

Maragheh → knownFor → Maragheh observatory ⓘ