NGC 4609
E496430
NGC 4609 is an open star cluster located in the southern constellation Centaurus, notable for its relatively young stellar population.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 4609 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4943594 — 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: NGC 4609 Context triple: [Centaurus constellation region, contains, NGC 4609]
-
A.
NGC 4622
NGC 4622 is an unusual spiral galaxy notable for its rare leading spiral arms and distinctive ring-like structure, located in the constellation Centaurus.
-
B.
NGC 2976
NGC 2976 is a nearby dwarf spiral galaxy in the constellation Ursa Major and a member of the M81 Group of galaxies.
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C.
NGC 4725
NGC 4725 is a barred spiral galaxy in the constellation Coma Berenices, notable for having only one prominent spiral arm.
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D.
NGC 5460
NGC 5460 is an open star cluster located in the southern constellation Centaurus.
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E.
NGC 3372
NGC 3372 is a massive, bright star-forming nebula in the Carina constellation, famous for housing the unstable supergiant star Eta Carinae and extensive regions of ionized gas and dust.
- 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: NGC 4609 Target entity description: NGC 4609 is an open star cluster located in the southern constellation Centaurus, notable for its relatively young stellar population.
-
A.
NGC 4622
NGC 4622 is an unusual spiral galaxy notable for its rare leading spiral arms and distinctive ring-like structure, located in the constellation Centaurus.
-
B.
NGC 2976
NGC 2976 is a nearby dwarf spiral galaxy in the constellation Ursa Major and a member of the M81 Group of galaxies.
-
C.
NGC 4725
NGC 4725 is a barred spiral galaxy in the constellation Coma Berenices, notable for having only one prominent spiral arm.
-
D.
NGC 5460
NGC 5460 is an open star cluster located in the southern constellation Centaurus.
-
E.
NGC 3372
NGC 3372 is a massive, bright star-forming nebula in the Carina constellation, famous for housing the unstable supergiant star Eta Carinae and extensive regions of ionized gas and dust.
- F. None of above. chosen
Statements (18)
| Predicate | Object |
|---|---|
| instanceOf | open star cluster ⓘ |
| appearsIn | deep-sky catalogs ⓘ |
| catalog | New General Catalogue ⓘ |
| celestialCategory | star cluster ⓘ |
| clusterType | galactic open cluster ⓘ |
| constellation | Centaurus ⓘ |
| discoverer | John Herschel ⓘ |
| discoveryMethod | optical observation ⓘ |
| galacticPopulation | young stars ⓘ |
| hostGalaxy | Milky Way ⓘ |
| locatedInRegion | southern sky ⓘ |
| memberOf | Milky Way disk population ⓘ |
| notableFeature | relatively young stellar population ⓘ |
| objectType |
NGC object
ⓘ
linked to:
NGC
|
| observedIn | optical wavelengths ⓘ |
| rightAscensionEpoch | J2000 ⓘ |
| skyLocation | near the Southern Cross region ⓘ |
| visibleInHemisphere | southern hemisphere ⓘ |
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: NGC 4609 Description of subject: NGC 4609 is an open star cluster located in the southern constellation Centaurus, notable for its relatively young stellar population.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.