Alfonsine Tables
E253202
The Alfonsine Tables are a set of medieval astronomical tables, compiled under the patronage of Alfonso X of Castile in the 13th century, that provided planetary positions and were widely used in Europe for centuries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alfonsine Tables canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T2297390 — 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: Alfonsine Tables Context triple: [Alfonso X of Castile, notableWork, Alfonsine Tables]
-
A.
Rudolphine Tables
The Rudolphine Tables are a landmark 17th-century star catalog and set of astronomical tables compiled by Johannes Kepler, renowned for their unprecedented accuracy in predicting planetary positions.
-
B.
Almagest
The Almagest is an influential 2nd-century astronomical treatise by Claudius Ptolemy that systematically presents the geocentric model of the cosmos and provides mathematical tools for predicting planetary motions.
-
C.
Newcomb tables of the Sun, Mercury, Venus, and Mars
The Newcomb tables of the Sun, Mercury, Venus, and Mars are a set of highly accurate 19th-century astronomical tables computed by Simon Newcomb that were long used to predict the positions and motions of these celestial bodies.
-
D.
Tychonic system
The Tychonic system is a historical hybrid model of the cosmos in which Earth is stationary at the center while the Sun orbits Earth and the other planets orbit the Sun, proposed as a compromise between geocentric and heliocentric theories.
-
E.
Ptolemaic system
The Ptolemaic system is an ancient geocentric cosmological model that places Earth at the center of the universe with the Sun, Moon, and planets moving around it in complex circular paths.
- 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: Alfonsine Tables Target entity description: The Alfonsine Tables are a set of medieval astronomical tables, compiled under the patronage of Alfonso X of Castile in the 13th century, that provided planetary positions and were widely used in Europe for centuries.
-
A.
Rudolphine Tables
The Rudolphine Tables are a landmark 17th-century star catalog and set of astronomical tables compiled by Johannes Kepler, renowned for their unprecedented accuracy in predicting planetary positions.
-
B.
Almagest
The Almagest is an influential 2nd-century astronomical treatise by Claudius Ptolemy that systematically presents the geocentric model of the cosmos and provides mathematical tools for predicting planetary motions.
-
C.
Newcomb tables of the Sun, Mercury, Venus, and Mars
The Newcomb tables of the Sun, Mercury, Venus, and Mars are a set of highly accurate 19th-century astronomical tables computed by Simon Newcomb that were long used to predict the positions and motions of these celestial bodies.
-
D.
Tychonic system
The Tychonic system is a historical hybrid model of the cosmos in which Earth is stationary at the center while the Sun orbits Earth and the other planets orbit the Sun, proposed as a compromise between geocentric and heliocentric theories.
-
E.
Ptolemaic system
The Ptolemaic system is an ancient geocentric cosmological model that places Earth at the center of the universe with the Sun, Moon, and planets moving around it in complex circular paths.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical tables
ⓘ
ephemeris ⓘ medieval scientific work ⓘ |
| accuracyRelativeToPredecessors | improved planetary positions compared to Toledan Tables ⓘ |
| approximateEpoch | mid-13th century ⓘ |
| associatedWith |
Sorbonne University
ⓘ
surface form:
University of Paris
|
| astronomicalModel | Ptolemaic system ⓘ |
| basedOn | Ptolemaic astronomy ⓘ |
| compilationStartDate | 13th century ⓘ |
| compiledBy | Castilian and Jewish astronomers ⓘ |
| contains |
mean motions of planets
ⓘ
trigonometric tables ⓘ true positions of planets ⓘ |
| countryOfOrigin |
Castile
ⓘ
surface form:
Kingdom of Castile
|
| describes |
eclipses
ⓘ
fixed stars ⓘ lunar motion ⓘ planetary positions ⓘ solar motion ⓘ |
| field |
astrology
ⓘ
astronomy ⓘ |
| followedBy | Prutenic Tables ⓘ |
| genre | technical scientific text ⓘ |
| hasInfluenceOn | development of mathematical astronomy in Europe ⓘ |
| historicalSignificance | standard reference for European astronomers before Copernicus ⓘ |
| influenced |
Copernican astronomers
ⓘ
European astronomy ⓘ |
| language | Latin ⓘ |
| mainWorkPeriod | reign of Alfonso X of Castile ⓘ |
| manuscriptTradition | Latin manuscripts ⓘ |
| methodology | numerical tables ⓘ |
| namedAfter | Alfonso X of Castile ⓘ |
| notableEdition |
Paris edition of 1320s
ⓘ
Venice printed editions ⓘ |
| patron | Alfonso X of Castile ⓘ |
| placeOfCompilation | Castile ⓘ |
| precededBy | Toledan Tables ⓘ |
| regionOfUse | Western Europe ⓘ |
| supersededBy | Rudolphine Tables ⓘ |
| usedFor |
astrology
ⓘ
astronomical computation ⓘ calendar calculation ⓘ |
| usedIn |
The Renaissance
ⓘ
surface form:
Renaissance Europe
Late Middle Ages ⓘ
surface form:
late Middle Ages
|
| usesCoordinateSystem | geocentric model ⓘ |
| widelyUsedUntil | 16th century ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Alfonsine Tables Description of subject: The Alfonsine Tables are a set of medieval astronomical tables, compiled under the patronage of Alfonso X of Castile in the 13th century, that provided planetary positions and were widely used in Europe for centuries.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Alfonso X of Castile