John Louis Emil Dreyer

E476464

John Louis Emil Dreyer was a Danish-Irish astronomer best known for creating influential catalogues of deep-sky objects, including the New General Catalogue (NGC).

All labels observed (1)

Label Occurrences
John Louis Emil Dreyer canonical 1

Statements (47)

Predicate Object
instanceOf Danish person
Irish person
astronomer
person
areaOfInfluence deep-sky astronomy
awardReceived Gold Medal of the Royal Astronomical Society NERFINISHED
birthCountry Denmark NERFINISHED
birthDate 1852-02-13
birthPlace Copenhagen NERFINISHED
citizenship Denmark NERFINISHED
United Kingdom
countryOfResidence Ireland NERFINISHED
United Kingdom NERFINISHED
deathCountry United Kingdom NERFINISHED
deathDate 1926-09-14
deathPlace Oxford NERFINISHED
educatedAt University of Copenhagen NERFINISHED
employer Armagh Observatory NERFINISHED
ethnicOrigin Danish
familyName Dreyer NERFINISHED
fieldOfWork astronomy
observational astronomy
fullName John Louis Emil Dreyer NERFINISHED
genre history of science
scientific literature
givenName Emil NERFINISHED
John NERFINISHED
Louis NERFINISHED
hasAbbreviation J. L. E. Dreyer NERFINISHED
influenced 20th-century astronomical catalogues
knownFor Index Catalogue of Nebulae and Clusters of Stars NERFINISHED
New General Catalogue of Nebulae and Clusters of Stars NERFINISHED
cataloguing deep-sky objects
historical studies of astronomy
work on Tycho Brahe
languageOfWorkOrName Danish
English
memberOf Royal Astronomical Society NERFINISHED
notableWork History of the Planetary Systems from Thales to Kepler NERFINISHED
Index Catalogue of Nebulae and Clusters of Stars NERFINISHED
New General Catalogue of Nebulae and Clusters of Stars NERFINISHED
Tycho Brahe: A Picture of Scientific Life and Work in the Sixteenth Century NERFINISHED
occupation astronomer
positionHeld Director of Armagh Observatory
religion Protestant Christianity
surface form: Protestantism
workLocation Armagh NERFINISHED
Ireland NERFINISHED

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: John Louis Emil Dreyer
Description of subject: John Louis Emil Dreyer was a Danish-Irish astronomer best known for creating influential catalogues of deep-sky objects, including the New General Catalogue (NGC).

Referenced by (1)

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

New General Catalogue compiledBy John Louis Emil Dreyer