W3 star-forming region
E109440
W3 star-forming region is a massive, active stellar nursery in the Milky Way known for its dense molecular clouds and prolific formation of young, high-mass stars.
All labels observed (1)
| Label | Occurrences |
|---|---|
| W3 star-forming region canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T934093 — 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: W3 star-forming region Context triple: [Perseus Arm, contains, W3 star-forming region]
-
A.
Eagle Nebula
The Eagle Nebula is a famous star-forming region in the Milky Way best known for the "Pillars of Creation," towering columns of gas and dust captured in iconic Hubble Space Telescope images.
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B.
Orion Molecular Cloud Complex
The Orion Molecular Cloud Complex is a vast star-forming region in the constellation Orion, rich in gas, dust, and young stellar objects, and one of the most studied nurseries of massive stars in the Milky Way.
-
C.
Orion Nebula
The Orion Nebula is a bright, nearby stellar nursery where new stars and planetary systems are actively forming within the constellation Orion.
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D.
Perseus OB2 association
Perseus OB2 association is a nearby group of young, massive OB-type stars located in the Perseus constellation region of the Milky Way.
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E.
Scorpius–Centaurus OB association
The Scorpius–Centaurus OB association is the nearest large group of young, massive stars to the Sun, spanning the constellations Scorpius and Centaurus and playing a key role in studies of recent star formation in our Galactic neighborhood.
- 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: W3 star-forming region Target entity description: W3 star-forming region is a massive, active stellar nursery in the Milky Way known for its dense molecular clouds and prolific formation of young, high-mass stars.
-
A.
Eagle Nebula
The Eagle Nebula is a famous star-forming region in the Milky Way best known for the "Pillars of Creation," towering columns of gas and dust captured in iconic Hubble Space Telescope images.
-
B.
Orion Molecular Cloud Complex
The Orion Molecular Cloud Complex is a vast star-forming region in the constellation Orion, rich in gas, dust, and young stellar objects, and one of the most studied nurseries of massive stars in the Milky Way.
-
C.
Orion Nebula
The Orion Nebula is a bright, nearby stellar nursery where new stars and planetary systems are actively forming within the constellation Orion.
-
D.
Perseus OB2 association
Perseus OB2 association is a nearby group of young, massive OB-type stars located in the Perseus constellation region of the Milky Way.
-
E.
Scorpius–Centaurus OB association
The Scorpius–Centaurus OB association is the nearest large group of young, massive stars to the Sun, spanning the constellations Scorpius and Centaurus and playing a key role in studies of recent star formation in our Galactic neighborhood.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
H II region
ⓘ
molecular cloud complex ⓘ star-forming region ⓘ stellar nursery ⓘ |
| associatedWith |
W4 star-forming region
ⓘ
surface form:
W4 H II region
W5 H II region ⓘ |
| catalogDesignation | W3 ⓘ |
| constellation | Cassiopeia ⓘ |
| contains |
W3 Main
ⓘ
W3 North ⓘ W3(OH) ⓘ dense molecular clouds ⓘ embedded star clusters ⓘ giant molecular cloud ⓘ infrared sources ⓘ maser sources ⓘ massive star-forming cores ⓘ ultracompact H II regions ⓘ young stellar objects ⓘ |
| discoveredBy | radio observations of the Milky Way ⓘ |
| distanceFromEarth |
about 2 kiloparsecs
ⓘ
about 6000 light-years ⓘ |
| hasAgeRange | less than a few million years ⓘ |
| hasEnvironment |
dense interstellar medium
ⓘ
strong UV radiation fields ⓘ |
| hasProperty |
active
ⓘ
high extinction ⓘ massive ⓘ rich in molecular gas ⓘ |
| hasStarFormationMode |
spontaneous star formation
ⓘ
triggered star formation ⓘ |
| knownFor |
clustered star formation
ⓘ
high-mass star formation ⓘ ongoing star formation ⓘ |
| locatedIn |
Milky Way
ⓘ
Perseus Arm ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ radio wavelengths ⓘ submillimeter wavelengths ⓘ |
| partOf |
Galactic plane
ⓘ
W3/W4/W5 complex ⓘ |
| studiedFor |
cluster formation
ⓘ
feedback from massive stars ⓘ massive star formation processes ⓘ |
| tracedBy |
CO emission
ⓘ
dust continuum emission ⓘ methanol masers ⓘ water masers ⓘ |
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: W3 star-forming region Description of subject: W3 star-forming region is a massive, active stellar nursery in the Milky Way known for its dense molecular clouds and prolific formation of young, high-mass stars.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.