NASA Extragalactic Database
E313694
The NASA Extragalactic Database (NED) is an online astronomical resource that compiles and cross-references data on extragalactic objects such as galaxies, quasars, and clusters from numerous surveys and publications.
All labels observed (2)
| Label | Occurrences |
|---|---|
| NASA/IPAC Extragalactic Database | 7 |
| NASA Extragalactic Database canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2962682 — 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: NASA Extragalactic Database Context triple: [NASA/IPAC Infrared Science Archive, associatedWith, NASA Extragalactic Database]
-
A.
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.
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B.
NASA/IPAC Infrared Science Archive
The NASA/IPAC Infrared Science Archive is a major astronomical data center that provides access to and tools for analyzing infrared and related multiwavelength observations from numerous space- and ground-based missions.
-
C.
Smithsonian Astrophysical Observatory Telescope Data Center
The Smithsonian Astrophysical Observatory Telescope Data Center is a specialized facility that archives, processes, and distributes astronomical data from ground- and space-based telescopes for the astrophysics research community.
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D.
ADS (Astrophysics Data System)
ADS (Astrophysics Data System) is a NASA-funded digital library and search platform that provides comprehensive access to scholarly literature in astronomy, astrophysics, and related physics disciplines.
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E.
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.
- 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: NASA Extragalactic Database Target entity description: The NASA Extragalactic Database (NED) is an online astronomical resource that compiles and cross-references data on extragalactic objects such as galaxies, quasars, and clusters from numerous surveys and publications.
-
A.
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.
-
B.
NASA/IPAC Infrared Science Archive
The NASA/IPAC Infrared Science Archive is a major astronomical data center that provides access to and tools for analyzing infrared and related multiwavelength observations from numerous space- and ground-based missions.
-
C.
Smithsonian Astrophysical Observatory Telescope Data Center
The Smithsonian Astrophysical Observatory Telescope Data Center is a specialized facility that archives, processes, and distributes astronomical data from ground- and space-based telescopes for the astrophysics research community.
-
D.
ADS (Astrophysics Data System)
ADS (Astrophysics Data System) is a NASA-funded digital library and search platform that provides comprehensive access to scholarly literature in astronomy, astrophysics, and related physics disciplines.
-
E.
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.
- F. None of above. chosen
Statements (55)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical database
ⓘ
astronomy research tool ⓘ extragalactic object catalog ⓘ online database ⓘ |
| abbreviation | NED ⓘ |
| accessibleVia |
application programming interface
ⓘ
online query forms ⓘ web interface ⓘ |
| country | United States of America ⓘ |
| dataType |
bibliographic references
ⓘ
images ⓘ morphological classifications ⓘ multiwavelength measurements ⓘ object cross-identifications ⓘ photometry ⓘ positions ⓘ redshifts ⓘ spectroscopy ⓘ |
| domain | extragalactic astronomy ⓘ |
| fieldOfUse |
galaxy evolution studies
ⓘ
multiwavelength cross-matching ⓘ observational cosmology ⓘ |
| hasFeature |
links to external archives
ⓘ
multiwavelength data aggregation ⓘ name resolver for extragalactic objects ⓘ visualization tools for sky positions ⓘ |
| includesObjectType |
X-ray source
ⓘ
active galactic nucleus ⓘ galaxy ⓘ galaxy cluster ⓘ group of galaxies ⓘ infrared source ⓘ quasar ⓘ radio source ⓘ |
| integratesDataFrom |
astronomical surveys
ⓘ
ground-based observatories ⓘ scientific publications ⓘ space-based observatories ⓘ |
| language | English ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
California Institute of Technology ⓘ Pasadena ⓘ |
| maintainedBy | IPAC staff ⓘ |
| operator |
IPAC
ⓘ
Infrared Processing and Analysis Center ⓘ
linked to:
NASA/IPAC Infrared Science Archive
NASA ⓘ |
| primaryFocus | extragalactic objects ⓘ |
| purpose |
compilation of extragalactic data
ⓘ
cross-identification of extragalactic objects ⓘ literature linking for extragalactic sources ⓘ support for astronomical research ⓘ |
| sponsor | NASA Astrophysics Division ⓘ |
| targetUser |
astrophysics researchers
ⓘ
professional astronomers ⓘ students of astronomy ⓘ |
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: NASA Extragalactic Database Description of subject: The NASA Extragalactic Database (NED) is an online astronomical resource that compiles and cross-references data on extragalactic objects such as galaxies, quasars, and clusters from numerous surveys and publications.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: NASA Extragalactic Database
linked to: NASA Extragalactic Database