Perseus molecular cloud complex
E109439
The Perseus molecular cloud complex is a prominent nearby star-forming region rich in cold gas and dust, known for hosting numerous young stellar objects and protostars.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Perseus molecular cloud complex canonical | 14 |
| Perseus molecular cloud | 5 |
| Perseus star-forming complex | 4 |
| Perseus spiral arm star-forming complexes | 1 |
| Perseus star-forming region | 1 |
| W3 giant molecular cloud | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T934092 — 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: Perseus molecular cloud complex Context triple: [Perseus Arm, contains, Perseus molecular cloud complex]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Orion Nebula
The Orion Nebula is a bright, nearby stellar nursery where new stars and planetary systems are actively forming within the constellation Orion.
-
E.
Carina Nebula
The Carina Nebula is a vast, active star-forming region in the Milky Way known for its towering gas and dust pillars and dramatic young stellar clusters.
- 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: Perseus molecular cloud complex Target entity description: The Perseus molecular cloud complex is a prominent nearby star-forming region rich in cold gas and dust, known for hosting numerous young stellar objects and protostars.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Orion Nebula
The Orion Nebula is a bright, nearby stellar nursery where new stars and planetary systems are actively forming within the constellation Orion.
-
E.
Carina Nebula
The Carina Nebula is a vast, active star-forming region in the Milky Way known for its towering gas and dust pillars and dramatic young stellar clusters.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
giant molecular cloud
ⓘ
molecular cloud complex ⓘ star-forming region ⓘ |
| contains |
Herbig-Haro objects
ⓘ
linked to:
Herbig–Haro objects
cold molecular gas ⓘ dark clouds ⓘ embedded star clusters ⓘ interstellar dust ⓘ pre-main-sequence stars ⓘ protostars ⓘ reflection nebulae ⓘ young stellar objects ⓘ |
| containsRegion |
Barnard 1
ⓘ
Barnard 5 ⓘ IC 348 ⓘ L1448 ⓘ L1451 ⓘ L1455 ⓘ NGC 1333 ⓘ Perseus OB2 association vicinity ⓘ |
| distanceFromEarth |
approximately 250 to 350 parsecs
ⓘ
approximately 800 to 1150 light-years ⓘ |
| forms |
intermediate-mass stars
ⓘ
low-mass stars ⓘ |
| hasAlternativeName |
Perseus cloud complex
ⓘ
Perseus molecular cloud ⓘ
linked to:
Perseus molecular cloud complex
|
| hasAngularSize | several degrees on the sky ⓘ |
| hasEnvironment | cold ⓘ |
| hasMass | on the order of 10^4 solar masses ⓘ |
| hasNotableFeature |
dense cores
ⓘ
filamentary structure ⓘ outflows from young stars ⓘ |
| hasPhysicalSize | tens of parsecs ⓘ |
| locatedIn |
Gould Belt
ⓘ
Perseus constellation ⓘ |
| observedBy |
Herschel Space Observatory
ⓘ
IRAM 30m telescope ⓘ JCMT ⓘ
linked to:
James Clerk Maxwell Telescope
Planck satellite ⓘ
linked to:
Planck spacecraft
Spitzer Space Telescope ⓘ |
| observedIn |
CO rotational lines
ⓘ
infrared wavelengths ⓘ submillimeter continuum ⓘ |
| partOf | Milky Way ⓘ |
| starFormationActivity | active ⓘ |
| typicalGasTemperature | around 10 Kelvin ⓘ |
| usedForStudyOf |
core mass function
ⓘ
early stages of star formation ⓘ feedback from young stars ⓘ protostellar evolution ⓘ turbulence in molecular clouds ⓘ |
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: Perseus molecular cloud complex Description of subject: The Perseus molecular cloud complex is a prominent nearby star-forming region rich in cold gas and dust, known for hosting numerous young stellar objects and protostars.
Referenced by (26)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Perseus molecular cloud complex
linked to: Perseus molecular cloud complex
subject linked to:
NGC 1499 (California Nebula)
linked to: Perseus molecular cloud complex
linked to: Perseus molecular cloud complex
linked to: Perseus molecular cloud complex
linked to: Perseus molecular cloud complex
linked to: Perseus molecular cloud complex