Zij-i Ilkhani

E516305

Zij-i Ilkhani is a 13th-century astronomical handbook and star catalogue compiled by Nasir al-Din al-Tusi at the Maragha observatory, influential in the development of Islamic and later European astronomy.

All labels observed (1)

Label Occurrences
Zij-i Ilkhani canonical 3

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf astronomical handbook ⓘ
star catalogue ⓘ
zīj ⓘ
approximateYearOfCompletion c. 1272 ⓘ
associatedWith Maragha observatory ⓘ
author Nasir al-Din al-Tusi ⓘ
basedOn Ptolemaic astronomy ⓘ
linked to: Ptolemaic system
compiler Nasir al-Din al-Tusi ⓘ
contains eclipse tables ⓘ
instructions for astronomical instruments ⓘ
lunar tables ⓘ
planetary tables ⓘ
solar tables ⓘ
star catalogue ⓘ
tables of fixed stars ⓘ
trigonometric tables ⓘ
culturalContext Islamic Golden Age (late phase) ⓘ
linked to: Islamic Golden Age
dateOfCompilation 13th century ⓘ
discipline mathematical astronomy ⓘ
era medieval period ⓘ
field astronomy ⓘ
geographicalLongitudeReference Maragha ⓘ
linked to: Maragheh
hasAlternativeName Ilkhanid Tables ⓘ
hasAlternativeTransliteration Zij-i Ilkhani ⓘ
hasGenre scientific treatise ⓘ
historicalRegion Persia ⓘ
improvedUpon Ptolemaic parameters ⓘ
includes mean motions of planets ⓘ
parameters for planetary motions ⓘ
tables of chords ⓘ
tables of sines ⓘ
influenced European astronomy ⓘ
Islamic astronomy ⓘ
later zījes ⓘ
language Arabic ⓘ
Persian ⓘ
namedAfter Ilkhanid rulers ⓘ
linked to: Ilkhan
partOf Islamic astronomical tradition ⓘ
placeOfCompilation Maragha observatory ⓘ
sponsoredBy Ilkhanid dynasty ⓘ
linked to: Mongol Ilkhanate
usedBy Renaissance astronomers ⓘ
later Islamic astronomers ⓘ
usedCoordinateSystem ecliptic coordinates ⓘ
equatorial coordinates ⓘ
usedFor astrological predictions ⓘ
astronomical calculations ⓘ
calendar computations ⓘ

How these facts were elicited

Referenced by (3)

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

Nasir al-Din al-Tusi → notableWork → Zij-i Ilkhani ⓘ
Maragha observatory → produced → Zij-i Ilkhani ⓘ