3C catalogue of radio sources
E397270
The 3C catalogue of radio sources is a pioneering astronomical catalog that systematically lists and characterizes strong radio-emitting objects in the sky, greatly advancing the study of radio galaxies and quasars.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Third Cambridge Catalogue of Radio Sources | 2 |
| 3C catalogue of radio sources canonical | 1 |
| Fourth Cambridge Catalogue of Radio Sources | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3908045 — 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: 3C catalogue of radio sources Context triple: [Martin Ryle, knownFor, 3C catalogue of radio sources]
-
A.
IRAS Point Source Catalog
The IRAS Point Source Catalog is a comprehensive listing of infrared-emitting astronomical objects detected by the Infrared Astronomical Satellite, widely used for studies of stars, galaxies, and interstellar dust.
-
B.
AllWISE Source Catalog
The AllWISE Source Catalog is a comprehensive astronomical database of infrared-detected celestial sources produced from the Wide-field Infrared Survey Explorer (WISE) mission’s all-sky survey.
-
C.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
-
D.
Revised Shapley–Ames Catalog of Bright Galaxies
The Revised Shapley–Ames Catalog of Bright Galaxies is a major astronomical catalog that systematically lists and classifies the brightest galaxies in the sky, serving as a foundational reference for extragalactic research.
-
E.
Hickson Compact Group catalogue
The Hickson Compact Group catalogue is an astronomical listing of small, densely packed groups of galaxies identified and compiled by Paul Hickson for the study of galaxy interactions and evolution.
- 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: 3C catalogue of radio sources Target entity description: The 3C catalogue of radio sources is a pioneering astronomical catalog that systematically lists and characterizes strong radio-emitting objects in the sky, greatly advancing the study of radio galaxies and quasars.
-
A.
IRAS Point Source Catalog
The IRAS Point Source Catalog is a comprehensive listing of infrared-emitting astronomical objects detected by the Infrared Astronomical Satellite, widely used for studies of stars, galaxies, and interstellar dust.
-
B.
AllWISE Source Catalog
The AllWISE Source Catalog is a comprehensive astronomical database of infrared-detected celestial sources produced from the Wide-field Infrared Survey Explorer (WISE) mission’s all-sky survey.
-
C.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
-
D.
Revised Shapley–Ames Catalog of Bright Galaxies
The Revised Shapley–Ames Catalog of Bright Galaxies is a major astronomical catalog that systematically lists and classifies the brightest galaxies in the sky, serving as a foundational reference for extragalactic research.
-
E.
Hickson Compact Group catalogue
The Hickson Compact Group catalogue is an astronomical listing of small, densely packed groups of galaxies identified and compiled by Paul Hickson for the study of galaxy interactions and evolution.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical catalogue
ⓘ
radio source catalogue ⓘ scientific dataset ⓘ |
| abbreviation | 3C ⓘ |
| alsoKnownAs |
3C catalogue of radio sources
ⓘ
surface form:
Third Cambridge Catalogue of Radio Sources
|
| catalogueNumberingScheme | prefix 3C followed by source number ⓘ |
| compiledBy |
Cavendish Laboratory
ⓘ
surface form:
Cavendish Laboratory, University of Cambridge
|
| contains |
active galactic nuclei
ⓘ
planetary nebulae ⓘ quasars ⓘ radio galaxies ⓘ supernova remnants ⓘ |
| contributedTo |
identification of radio galaxies as extragalactic objects
ⓘ
recognition of quasars as a distinct class of active galactic nuclei ⓘ |
| coordinateSystem | equatorial coordinates ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| dataType |
basic source classifications
ⓘ
radio flux measurements ⓘ sky positions of radio sources ⓘ |
| field |
astrophysics
ⓘ
radio astronomy ⓘ |
| historicalSignificance | one of the earliest extensive radio source catalogues ⓘ |
| impact |
crucial for discovery and characterization of quasars
ⓘ
pioneered systematic study of extragalactic radio sources ⓘ provided key targets for optical identification of radio sources ⓘ |
| influenced |
3CR catalogue
ⓘ
subsequent radio source catalogues ⓘ |
| language | English ⓘ |
| notableEntry |
3C 196
ⓘ
3C 273 ⓘ 3C 286 ⓘ 3C 295 ⓘ 3C 48 ⓘ |
| notableFor | listing some of the brightest radio sources in the sky ⓘ |
| publicationDecade | 1950s ⓘ |
| purpose |
support study of quasars
ⓘ
support study of radio galaxies ⓘ systematic listing of strong radio-emitting objects in the sky ⓘ |
| relatedTo |
Cambridge radio source surveys
ⓘ
surface form:
Cambridge radio surveys
|
| selectionCriterion | radio flux density ⓘ |
| usedFor |
calibration of radio telescopes
ⓘ
cosmological tests with radio sources ⓘ statistical studies of radio source populations ⓘ |
| wavelengthRange | meter-wavelength radio frequencies ⓘ |
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: 3C catalogue of radio sources Description of subject: The 3C catalogue of radio sources is a pioneering astronomical catalog that systematically lists and characterizes strong radio-emitting objects in the sky, greatly advancing the study of radio galaxies and quasars.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Third Cambridge Catalogue of Radio Sources
this entity surface form:
Fourth Cambridge Catalogue of Radio Sources
this entity surface form:
Third Cambridge Catalogue of Radio Sources