Wide Field Instrument
E385444
The Wide Field Instrument is the primary camera and spectrograph on NASA’s Nancy Grace Roman Space Telescope, designed to capture large-area, high-resolution images for studies of dark energy, exoplanets, and infrared astrophysics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Wide Field Instrument canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3752721 — 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: Wide Field Instrument Context triple: [Nancy Grace Roman Space Telescope, hasInstrument, Wide Field Instrument]
-
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.
JWST Integrated Science Instrument Module
The JWST Integrated Science Instrument Module is the central structure on the James Webb Space Telescope that houses and supports its primary science instruments and fine guidance systems.
-
C.
Mid-Infrared Instrument
The Mid-Infrared Instrument (MIRI) is a key James Webb Space Telescope payload that provides imaging, spectroscopy, and coronagraphy in the mid-infrared range to study cold, distant, and dust-obscured cosmic objects.
-
D.
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.
-
E.
WFI wide field imager
The WFI wide field imager is a large-format astronomical camera used for wide-field optical imaging surveys at the La Silla Observatory.
- 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: Wide Field Instrument Target entity description: The Wide Field Instrument is the primary camera and spectrograph on NASA’s Nancy Grace Roman Space Telescope, designed to capture large-area, high-resolution images for studies of dark energy, exoplanets, and infrared astrophysics.
-
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.
JWST Integrated Science Instrument Module
The JWST Integrated Science Instrument Module is the central structure on the James Webb Space Telescope that houses and supports its primary science instruments and fine guidance systems.
-
C.
Mid-Infrared Instrument
The Mid-Infrared Instrument (MIRI) is a key James Webb Space Telescope payload that provides imaging, spectroscopy, and coronagraphy in the mid-infrared range to study cold, distant, and dust-obscured cosmic objects.
-
D.
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.
-
E.
WFI wide field imager
The WFI wide field imager is a large-format astronomical camera used for wide-field optical imaging surveys at the La Silla Observatory.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical camera
ⓘ
infrared instrument ⓘ space telescope instrument ⓘ spectrograph ⓘ |
| designGoal |
large-area high-resolution imaging
ⓘ
precision photometry ⓘ precision shape measurements for weak lensing ⓘ |
| detectorFormat | 4096 x 4096 pixels per detector ⓘ |
| detectorType | HgCdTe infrared detector arrays ⓘ |
| fieldOfView | approximately 0.28 square degrees ⓘ |
| fieldOfViewComparison | about 100 times the field of view of Hubble’s Wide Field Camera 3 infrared channel ⓘ |
| hasCapability |
high angular resolution imaging
ⓘ
multi-band photometry ⓘ slitless spectroscopy ⓘ wide-field imaging ⓘ |
| hasComponent |
electronics unit
ⓘ
filter wheel ⓘ focal plane assembly ⓘ grism wheel ⓘ optical bench ⓘ |
| mission |
Nancy Grace Roman Space Telescope dark energy survey
ⓘ
linked to:
Nancy Grace Roman Space Telescope
Nancy Grace Roman Space Telescope exoplanet microlensing survey ⓘ Nancy Grace Roman Space Telescope general observer program ⓘ |
| namedAfter |
Nancy Grace Roman Space Telescope (host observatory)
ⓘ
linked to:
Nancy Grace Roman Space Telescope
|
| numberOfDetectors | 18 ⓘ |
| observatoryLocation |
Sun–Earth L2 point (planned for Roman Space Telescope)
ⓘ
linked to:
Sun–Earth L2
|
| operator | NASA ⓘ |
| partOf | Nancy Grace Roman Space Telescope ⓘ |
| pixelScale | approximately 0.11 arcseconds per pixel ⓘ |
| primaryRole |
primary camera
ⓘ
primary spectrograph ⓘ |
| scientificPurpose |
baryon acoustic oscillation measurements
ⓘ
exoplanet science ⓘ high-latitude sky surveys ⓘ infrared astrophysics ⓘ study of dark energy ⓘ time-domain astronomy ⓘ weak gravitational lensing measurements ⓘ wide-field cosmology surveys ⓘ |
| spaceAgency |
NASA Goddard Space Flight Center (project management)
ⓘ
linked to:
Goddard Space Flight Center
|
| spacecraft | Nancy Grace Roman Space Telescope ⓘ |
| spectroscopyElement |
grism
ⓘ
prism ⓘ |
| spectroscopyMode | slitless spectroscopy ⓘ |
| status | under development ⓘ |
| telescopeAperture | 2.4-meter primary mirror of the Nancy Grace Roman Space Telescope ⓘ |
| wavelengthRange | near-infrared ⓘ |
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: Wide Field Instrument Description of subject: The Wide Field Instrument is the primary camera and spectrograph on NASA’s Nancy Grace Roman Space Telescope, designed to capture large-area, high-resolution images for studies of dark energy, exoplanets, and infrared astrophysics.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.