Ephemerides
E541454
Ephemerides is a 15th-century astronomical table compiled by Regiomontanus that provided highly accurate planetary positions and became a foundational tool for navigation and astronomy in early modern Europe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ephemerides canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5685953 — 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: Ephemerides Context triple: [Regiomontanus, notableWork, Ephemerides]
-
A.
Atlas Eclipticalis
Atlas Eclipticalis is a large-scale orchestral composition by John Cage that employs chance operations and graphic notation to create an open, indeterminate musical structure.
-
B.
Tables of the Sun
Tables of the Sun is an astronomical reference work by Simon Newcomb that provides highly accurate solar ephemerides used for celestial navigation and scientific calculations.
-
C.
Météores
Météores is one of the scientific essays by René Descartes, accompanying his Discours de la méthode and focusing on the study of meteorological and atmospheric phenomena.
-
D.
The Tragedy of the Moon
The Tragedy of the Moon is a collection of science essays by Isaac Asimov that explores astronomy, the Moon, and broader scientific and philosophical themes for a general audience.
-
E.
Sidereal Messenger
Sidereal Messenger is the English title of Galileo Galilei’s groundbreaking 1610 astronomical treatise that first reported telescopic observations of the Moon, stars, and Jupiter’s moons.
- 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: Ephemerides Target entity description: Ephemerides is a 15th-century astronomical table compiled by Regiomontanus that provided highly accurate planetary positions and became a foundational tool for navigation and astronomy in early modern Europe.
-
A.
Atlas Eclipticalis
Atlas Eclipticalis is a large-scale orchestral composition by John Cage that employs chance operations and graphic notation to create an open, indeterminate musical structure.
-
B.
Tables of the Sun
Tables of the Sun is an astronomical reference work by Simon Newcomb that provides highly accurate solar ephemerides used for celestial navigation and scientific calculations.
-
C.
Météores
Météores is one of the scientific essays by René Descartes, accompanying his Discours de la méthode and focusing on the study of meteorological and atmospheric phenomena.
-
D.
The Tragedy of the Moon
The Tragedy of the Moon is a collection of science essays by Isaac Asimov that explores astronomy, the Moon, and broader scientific and philosophical themes for a general audience.
-
E.
Sidereal Messenger
Sidereal Messenger is the English title of Galileo Galilei’s groundbreaking 1610 astronomical treatise that first reported telescopic observations of the Moon, stars, and Jupiter’s moons.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical table
ⓘ
ephemeris ⓘ |
| approximateDateOfFirstEdition | 1470s ⓘ |
| basedOn |
Ptolemaic astronomy
ⓘ
linked to:
Ptolemaic system
|
| basisOf |
later astronomical tables
ⓘ
later nautical almanacs ⓘ |
| characteristic | high accuracy ⓘ |
| compiler |
Johannes Müller von Königsberg
ⓘ
Regiomontanus ⓘ |
| contains |
eclipse predictions
ⓘ
lunar positions ⓘ solar positions ⓘ tabulated planetary longitudes ⓘ |
| field |
astronomy
ⓘ
navigation ⓘ |
| historicalSignificance |
foundational tool for European astronomy
ⓘ
foundational tool for European navigation ⓘ |
| influenced |
early modern astronomy
ⓘ
early modern navigation ⓘ |
| language | Latin ⓘ |
| provides | planetary positions ⓘ |
| publicationCentury | 15th century ⓘ |
| timeSpanCovered | multiple years of planetary positions ⓘ |
| usedBy |
astrologers
ⓘ
astronomers ⓘ navigators ⓘ |
| usedFor |
astrology
ⓘ
astronomical calculations ⓘ celestial navigation ⓘ |
| usedIn | early modern Europe ⓘ |
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: Ephemerides Description of subject: Ephemerides is a 15th-century astronomical table compiled by Regiomontanus that provided highly accurate planetary positions and became a foundational tool for navigation and astronomy in early modern Europe.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.