Integral Shaped Filament
E459028
The Integral Shaped Filament is a prominent, elongated star-forming structure of dense gas and dust within the Orion Molecular Cloud Complex, notable for hosting active regions of massive and low-mass star formation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Integral Shaped Filament canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617574 — 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: Integral Shaped Filament Context triple: [Orion Molecular Cloud Complex, contains, Integral Shaped Filament]
-
A.
Multi-Fibre Arrangement
The Multi-Fibre Arrangement was an international trade framework that regulated and restricted textile and clothing exports from developing to developed countries through a system of quotas from the 1970s until its phase-out under WTO rules.
-
B.
Light-Space Modulator
Light-Space Modulator is an experimental kinetic sculpture by László Moholy-Nagy that explores movement, light, and shadow through rotating metal and glass forms.
-
C.
Fresnel zone plates
Fresnel zone plates are diffractive optical elements composed of concentric rings that focus light through interference rather than refraction, serving as lens alternatives in applications like X-ray and microscopy.
-
D.
Weave
Weave is Google's Internet of Things (IoT) communication platform designed to let smart devices easily discover, connect, and work together across different ecosystems.
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E.
SHAPE
SHAPE is the central military command headquarters of NATO responsible for planning and executing the alliance’s collective defense operations in Europe.
- 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: Integral Shaped Filament Target entity description: The Integral Shaped Filament is a prominent, elongated star-forming structure of dense gas and dust within the Orion Molecular Cloud Complex, notable for hosting active regions of massive and low-mass star formation.
-
A.
Multi-Fibre Arrangement
The Multi-Fibre Arrangement was an international trade framework that regulated and restricted textile and clothing exports from developing to developed countries through a system of quotas from the 1970s until its phase-out under WTO rules.
-
B.
Light-Space Modulator
Light-Space Modulator is an experimental kinetic sculpture by László Moholy-Nagy that explores movement, light, and shadow through rotating metal and glass forms.
-
C.
Fresnel zone plates
Fresnel zone plates are diffractive optical elements composed of concentric rings that focus light through interference rather than refraction, serving as lens alternatives in applications like X-ray and microscopy.
-
D.
Weave
Weave is Google's Internet of Things (IoT) communication platform designed to let smart devices easily discover, connect, and work together across different ecosystems.
-
E.
SHAPE
SHAPE is the central military command headquarters of NATO responsible for planning and executing the alliance’s collective defense operations in Europe.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical structure
ⓘ
molecular cloud filament ⓘ |
| belongsToGalaxy | Milky Way ⓘ |
| composedOf |
dense molecular gas
ⓘ
interstellar dust ⓘ |
| contains |
OMC-1
ⓘ
OMC-2 ⓘ
linked to:
OMC-4
OMC-3 ⓘ OMC-4 ⓘ Orion Nebula Cluster ⓘ dense cores ⓘ embedded protostars ⓘ prestellar cores ⓘ young stellar objects ⓘ |
| distanceFromEarth | approximately 400–450 parsecs ⓘ |
| embeddedIn | giant molecular cloud environment ⓘ |
| environmentType |
giant molecular filament
ⓘ
high-mass star-forming region ⓘ |
| hasAlternativeName | ISF ⓘ |
| hasApproximateLength | several parsecs ⓘ |
| hasKinematicProperty |
supersonic turbulence
ⓘ
velocity gradients along filament ⓘ |
| hasMagneticFieldProperty | ordered magnetic field components ⓘ |
| hasMorphology | elongated filament ⓘ |
| hasPhysicalProperty |
cold temperature
ⓘ
high column density ⓘ high volume density ⓘ |
| hasRole | backbone of star-forming region in Orion A ⓘ |
| hasShape | integral-sign-like ⓘ |
| hasStarFormationActivity |
clustered
ⓘ
ongoing ⓘ |
| hasStarFormationMode |
distributed low-mass star formation
ⓘ
massive star-forming clumps ⓘ |
| isSiteOf |
low-mass star formation
ⓘ
massive star formation ⓘ |
| locatedIn |
Orion A molecular cloud
ⓘ
linked to:
Orion Molecular Cloud Complex
|
| locatedInConstellation | Orion ⓘ |
| locatedInGalacticStructure | Orion Arm ⓘ |
| observedBy |
Atacama Large Millimeter/submillimeter Array
ⓘ
Herschel Space Observatory ⓘ James Clerk Maxwell Telescope ⓘ |
| partOf | Orion Molecular Cloud Complex ⓘ |
| redshift | approximately 0 (Galactic object) ⓘ |
| studiedInContextOf |
cluster formation
ⓘ
filamentary star formation ⓘ massive star formation ⓘ |
| tracedByEmission |
CO rotational lines
ⓘ
dust continuum emission ⓘ |
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: Integral Shaped Filament Description of subject: The Integral Shaped Filament is a prominent, elongated star-forming structure of dense gas and dust within the Orion Molecular Cloud Complex, notable for hosting active regions of massive and low-mass star formation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.