Trumpler 15
E292072
Trumpler 15 is a young, compact open star cluster located within the Carina Nebula, notable for its massive, hot stars and role in the region’s intense stellar activity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Trumpler 15 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2706373 — 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: Trumpler 15 Context triple: [Carina Nebula, contains, Trumpler 15]
-
A.
Trumpler 14
Trumpler 14 is a very young, massive open star cluster in the Carina Nebula, notable for containing some of the most luminous and hottest known stars in the Milky Way.
-
B.
Messier 17
Messier 17, also known as the Omega or Swan Nebula, is a bright star-forming emission nebula located in the constellation Sagittarius.
-
C.
Messier 16
Messier 16, also known as the Eagle Nebula, is a young open star cluster embedded in a vast emission nebula famous for its towering star-forming gas and dust structures.
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D.
Jewel Box cluster
The Jewel Box cluster is a bright and colorful open star cluster in the constellation Crux, renowned for its striking mix of blue and red stars visible even in small telescopes.
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E.
Melotte 22
Melotte 22 is an open star cluster in the constellation Taurus, more commonly known as the Pleiades or Seven Sisters, famed for its bright, blue-hot stars and visibility to the naked eye.
- 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: Trumpler 15 Target entity description: Trumpler 15 is a young, compact open star cluster located within the Carina Nebula, notable for its massive, hot stars and role in the region’s intense stellar activity.
-
A.
Trumpler 14
Trumpler 14 is a very young, massive open star cluster in the Carina Nebula, notable for containing some of the most luminous and hottest known stars in the Milky Way.
-
B.
Messier 17
Messier 17, also known as the Omega or Swan Nebula, is a bright star-forming emission nebula located in the constellation Sagittarius.
-
C.
Messier 16
Messier 16, also known as the Eagle Nebula, is a young open star cluster embedded in a vast emission nebula famous for its towering star-forming gas and dust structures.
-
D.
Jewel Box cluster
The Jewel Box cluster is a bright and colorful open star cluster in the constellation Crux, renowned for its striking mix of blue and red stars visible even in small telescopes.
-
E.
Melotte 22
Melotte 22 is an open star cluster in the constellation Taurus, more commonly known as the Pleiades or Seven Sisters, famed for its bright, blue-hot stars and visibility to the naked eye.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
open star cluster
ⓘ
stellar cluster in the Milky Way ⓘ young star cluster ⓘ |
| age |
a few million years
ⓘ
younger than 10 million years ⓘ |
| belongsTo | Carina spiral arm of the Milky Way ⓘ |
| catalogCode | Tr 15 ⓘ |
| contains |
early B-type stars
ⓘ
evolved massive stars ⓘ massive O-type stars ⓘ |
| discoveredBy | Robert Julius Trumpler ⓘ |
| distanceFromEarth |
approximately 2300 parsecs
ⓘ
approximately 7500 light-years ⓘ |
| hasAlternativeClassification | Galactic open cluster ⓘ |
| hasAngularSize | a few arcminutes ⓘ |
| hasCharacteristic |
compact
ⓘ
contains hot stars ⓘ contributes to intense stellar activity in Carina Nebula ⓘ heavily obscured by interstellar dust ⓘ rich in massive stars ⓘ young ⓘ |
| hasEnvironment |
embedded in ionized gas
ⓘ
surrounded by dust and molecular material ⓘ |
| hasRole |
contributes to feedback on surrounding molecular clouds
ⓘ
source of ionizing radiation in Carina Nebula ⓘ |
| isNeighborOf |
Trumpler 14
ⓘ
Trumpler 16 ⓘ |
| isPartOf | central Carina Nebula region ⓘ |
| locatedIn |
Carina Nebula
ⓘ
Carina constellation ⓘ Milky Way ⓘ |
| memberOf |
Carina Nebula star-forming complex
ⓘ
linked to:
Carina Nebula
|
| namedAfter | Robert Julius Trumpler ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| partOf |
Carina OB association
ⓘ
linked to:
Carina OB1 association
|
| studiedFor |
cluster dynamical evolution
ⓘ
feedback effects in giant H II regions ⓘ massive star evolution ⓘ |
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: Trumpler 15 Description of subject: Trumpler 15 is a young, compact open star cluster located within the Carina Nebula, notable for its massive, hot stars and role in the region’s intense stellar activity.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.