radio source W1
E476478
Radio source W1 is a compact astronomical radio-emitting region located within the star-forming nebula NGC 281 in the constellation Cassiopeia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| radio source W1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4886136 — 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: radio source W1 Context triple: [NGC 281, associatedWith, radio source W1]
-
A.
WIP-FM
WIP-FM is a Philadelphia-based sports radio station known for its live coverage of local teams and sports talk programming.
-
B.
WOB
WOB is the vehicle registration code used on license plates for cars registered in Wolfsburg, Germany.
-
C.
WN6
WN6 is a postcode district in the Wigan area of Greater Manchester, England.
-
D.
Radio Farda
Radio Farda is a U.S.-funded Persian-language news radio service that broadcasts independent news and information to audiences in Iran.
-
E.
WZND Radio
WZND Radio is Illinois State University's student-run campus radio station, featuring a variety of music, news, and student-produced programming.
- 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: radio source W1 Target entity description: Radio source W1 is a compact astronomical radio-emitting region located within the star-forming nebula NGC 281 in the constellation Cassiopeia.
-
A.
WIP-FM
WIP-FM is a Philadelphia-based sports radio station known for its live coverage of local teams and sports talk programming.
-
B.
WOB
WOB is the vehicle registration code used on license plates for cars registered in Wolfsburg, Germany.
-
C.
WN6
WN6 is a postcode district in the Wigan area of Greater Manchester, England.
-
D.
Radio Farda
Radio Farda is a U.S.-funded Persian-language news radio service that broadcasts independent news and information to audiences in Iran.
-
E.
WZND Radio
WZND Radio is Illinois State University's student-run campus radio station, featuring a variety of music, news, and student-produced programming.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical radio source
ⓘ
compact radio source ⓘ |
| associatedWith |
nebula NGC 281
ⓘ
linked to:
NGC 281
star-forming region ⓘ |
| discoveredBy | radio observations of NGC 281 ⓘ |
| emits | radio waves ⓘ |
| environment | star-forming nebula ⓘ |
| hasAstronomicalContext | star formation ⓘ |
| hasAstrophysicalRole | tracer of star formation in NGC 281 ⓘ |
| hasCompactness | compact ⓘ |
| hasCoordinateFrame | equatorial coordinate system (right ascension and declination) ⓘ |
| hasDesignation | W1 ⓘ |
| hasEmissionType | non-thermal or thermal radio emission (unspecified) ⓘ |
| hasHostNebula | NGC 281 ⓘ |
| hasPhysicalNature | compact radio-emitting region ⓘ |
| isMemberOf |
radio sources in Cassiopeia
ⓘ
radio sources in NGC 281 ⓘ |
| isWithin |
star-forming complex NGC 281
ⓘ
linked to:
NGC 281 star-forming complex
|
| locatedIn | NGC 281 ⓘ |
| locatedInConstellation | Cassiopeia ⓘ |
| locatedInGalaxy | Milky Way ⓘ |
| observedFrom | Earth ⓘ |
| observedIn |
Galactic plane surveys
ⓘ
radio band ⓘ |
| partOf | radio-emitting regions in NGC 281 ⓘ |
| skyPositionConstellation | Cassiopeia ⓘ |
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: radio source W1 Description of subject: Radio source W1 is a compact astronomical radio-emitting region located within the star-forming nebula NGC 281 in the constellation Cassiopeia.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
NGC 281 (Pacman Nebula)