WFI wide field imager
E75066
The WFI wide field imager is a large-format astronomical camera used for wide-field optical imaging surveys at the La Silla Observatory.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Wide Field Imager | 3 |
| WFI wide field imager canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T602740 — 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: WFI wide field imager Context triple: [La Silla Observatory, hasInstrument, WFI wide field imager]
-
A.
Wide Field Camera 3
Wide Field Camera 3 is a versatile imaging instrument on the Hubble Space Telescope that captures high-resolution observations across ultraviolet, visible, and near-infrared wavelengths.
-
B.
Wide Field and Planetary Camera 2
Wide Field and Planetary Camera 2 was a key imaging instrument on the Hubble Space Telescope that captured many of its most iconic and scientifically important space photographs from the mid-1990s to the late 2000s.
-
C.
Faint Object Camera
The Faint Object Camera was a high-resolution imaging instrument on the Hubble Space Telescope designed to observe very dim and distant astronomical objects in ultraviolet and visible light.
-
D.
Faint Object Spectrograph
The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
-
E.
Warsaw Telescope
The Warsaw Telescope is a 1.3-meter optical telescope at Las Campanas Observatory in Chile, widely used for large-scale astronomical surveys such as the OGLE project.
- 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: WFI wide field imager Target entity description: The WFI wide field imager is a large-format astronomical camera used for wide-field optical imaging surveys at the La Silla Observatory.
-
A.
Wide Field Camera 3
Wide Field Camera 3 is a versatile imaging instrument on the Hubble Space Telescope that captures high-resolution observations across ultraviolet, visible, and near-infrared wavelengths.
-
B.
Wide Field and Planetary Camera 2
Wide Field and Planetary Camera 2 was a key imaging instrument on the Hubble Space Telescope that captured many of its most iconic and scientifically important space photographs from the mid-1990s to the late 2000s.
-
C.
Faint Object Camera
The Faint Object Camera was a high-resolution imaging instrument on the Hubble Space Telescope designed to observe very dim and distant astronomical objects in ultraviolet and visible light.
-
D.
Faint Object Spectrograph
The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
-
E.
Warsaw Telescope
The Warsaw Telescope is a 1.3-meter optical telescope at Las Campanas Observatory in Chile, widely used for large-scale astronomical surveys such as the OGLE project.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical camera
ⓘ
optical telescope instrument ⓘ wide-field imager ⓘ |
| associatedWith |
ESO Imaging Survey projects
ⓘ
wide-field survey programs at La Silla ⓘ |
| country | Chile ⓘ |
| dataArchive |
ESO Science Archive Facility
ⓘ
linked to:
European Southern Observatory
|
| dataProduct |
calibrated optical images
ⓘ
source catalogs ⓘ |
| detectorType | CCD ⓘ |
| fieldOfView | about 34 x 33 arcminutes ⓘ |
| filterSystem |
broad-band filters
ⓘ
narrow-band filters ⓘ |
| geographicHemisphere | Southern Hemisphere ⓘ |
| hostTelescopeType | optical reflecting telescope ⓘ |
| locatedIn | La Silla Observatory ⓘ |
| mosaicConfiguration | 8-CCD mosaic ⓘ |
| mountedOn |
ESO/MPG 2.2-metre telescope
ⓘ
linked to:
MPG/ESO 2.2 m Telescope
|
| notableFeature |
large field of view for a 2.2-metre class telescope
ⓘ
mosaic of multiple CCD detectors ⓘ |
| observatoryCode |
ESO La Silla
ⓘ
linked to:
La Silla Observatory
|
| observatorySite |
La Silla, Chile
ⓘ
linked to:
La Silla Observatory
|
| observingMode | imaging ⓘ |
| operatedBy | European Southern Observatory ⓘ |
| pixelScale | about 0.238 arcseconds per pixel ⓘ |
| primaryUse | wide-field optical imaging surveys ⓘ |
| scienceApplications |
Milky Way structure mapping
ⓘ
deep imaging of extragalactic fields ⓘ galaxy surveys ⓘ nearby galaxy structure studies ⓘ star cluster observations ⓘ stellar populations studies ⓘ supernova searches ⓘ transient object searches ⓘ variable star surveys ⓘ |
| scientificDiscipline |
astronomy
ⓘ
astrophysics ⓘ |
| skyCoverage | wide-area surveys in the southern sky ⓘ |
| supportsProgram |
guest observer programs
ⓘ
public imaging surveys ⓘ |
| telescopeAperture | 2.2-metre ⓘ |
| usedFor |
follow-up of objects discovered in other surveys
ⓘ
surveying large areas of the sky ⓘ |
| wavelengthRange | optical ⓘ |
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: WFI wide field imager Description of subject: The WFI wide field imager is a large-format astronomical camera used for wide-field optical imaging surveys at the La Silla Observatory.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: WFI wide field imager
linked to: WFI wide field imager
linked to: WFI wide field imager