Coronagraph Instrument
E385445
The Coronagraph Instrument is a high-contrast imaging and spectroscopy tool on the Nancy Grace Roman Space Telescope designed to directly observe and characterize exoplanets and faint circumstellar material near bright stars.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Coronagraph Instrument canonical | 1 |
| Roman Coronagraph Instrument | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3752722 — 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: Coronagraph Instrument Context triple: [Nancy Grace Roman Space Telescope, hasInstrument, Coronagraph Instrument]
-
A.
Metis coronagraph
Metis coronagraph is a specialized telescope instrument designed to block the Sun’s bright disk so it can image and study the faint outer solar corona in visible and ultraviolet light.
-
B.
Lyot coronagraphs
Lyot coronagraphs are optical devices used in telescopes to block out the bright light of a star so that faint nearby objects, such as exoplanets or circumstellar disks, can be imaged.
-
C.
Corrective Optics Space Telescope Axial Replacement (COSTAR)
Corrective Optics Space Telescope Axial Replacement (COSTAR) was a set of corrective mirrors installed on the Hubble Space Telescope to compensate for its flawed primary mirror and restore its intended imaging performance.
-
D.
Space Telescope Imaging Spectrograph
The Space Telescope Imaging Spectrograph is a versatile instrument on the Hubble Space Telescope that performs high-resolution imaging and spectroscopy across ultraviolet, visible, and near-infrared wavelengths to study the physical properties of astronomical objects.
-
E.
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.
- 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: Coronagraph Instrument Target entity description: The Coronagraph Instrument is a high-contrast imaging and spectroscopy tool on the Nancy Grace Roman Space Telescope designed to directly observe and characterize exoplanets and faint circumstellar material near bright stars.
-
A.
Metis coronagraph
Metis coronagraph is a specialized telescope instrument designed to block the Sun’s bright disk so it can image and study the faint outer solar corona in visible and ultraviolet light.
-
B.
Lyot coronagraphs
Lyot coronagraphs are optical devices used in telescopes to block out the bright light of a star so that faint nearby objects, such as exoplanets or circumstellar disks, can be imaged.
-
C.
Corrective Optics Space Telescope Axial Replacement (COSTAR)
Corrective Optics Space Telescope Axial Replacement (COSTAR) was a set of corrective mirrors installed on the Hubble Space Telescope to compensate for its flawed primary mirror and restore its intended imaging performance.
-
D.
Space Telescope Imaging Spectrograph
The Space Telescope Imaging Spectrograph is a versatile instrument on the Hubble Space Telescope that performs high-resolution imaging and spectroscopy across ultraviolet, visible, and near-infrared wavelengths to study the physical properties of astronomical objects.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
coronagraph
ⓘ
high-contrast imaging instrument ⓘ space telescope instrument ⓘ |
| alternativeName |
CGI
ⓘ
Coronagraph Instrument ⓘ
surface form:
Roman Coronagraph Instrument
|
| contrastGoal | approximately 10^-9 star-to-planet flux ratio ⓘ |
| designedFor | high-contrast imaging near bright stars ⓘ |
| developmentStatus | in development as of mid-2020s ⓘ |
| enablesMeasurement |
exoplanet photometry
ⓘ
exoplanet spectroscopy ⓘ planetary albedo ⓘ planetary atmospheric composition ⓘ |
| fieldOfRegard | limited by Roman Space Telescope pointing ⓘ |
| fundingAgency | NASA Astrophysics Division ⓘ |
| heritage | WFIRST coronagraph concept ⓘ |
| hostTelescopeOrbit | Sun–Earth L2 halo orbit ⓘ |
| locatedOn | Roman Space Telescope optical bench ⓘ |
| missionType |
exoplanet science instrument
ⓘ
technology demonstration ⓘ |
| observingMode |
imaging
ⓘ
polarimetry ⓘ spectroscopy ⓘ |
| operator | NASA ⓘ |
| partOf | Nancy Grace Roman Space Telescope ⓘ |
| plannedLaunchDate | mid-2020s ⓘ |
| plannedLaunchVehicle |
Falcon Heavy rocket
ⓘ
surface form:
Falcon Heavy
|
| primaryGoal |
characterize exoplanets
ⓘ
directly image exoplanets ⓘ observe faint circumstellar material ⓘ |
| relatedTo |
Habitable Worlds Observatory technology pathfinder
ⓘ
future flagship exoplanet imaging missions ⓘ |
| scienceCommunity |
circumstellar disk science
ⓘ
exoplanet science ⓘ |
| scienceObjective |
demonstrate high-contrast imaging in space
ⓘ
measure spectra of exoplanets ⓘ study circumstellar dust ⓘ study debris disks ⓘ |
| scienceTarget |
debris disk systems
ⓘ
known exoplanet host stars ⓘ nearby stars ⓘ protoplanetary disks ⓘ |
| spaceAgency |
Goddard Space Flight Center
ⓘ
surface form:
NASA Goddard Space Flight Center
|
| usesTechnology |
coronagraphic masks
ⓘ
deformable mirrors ⓘ high-order wavefront sensing ⓘ low-order wavefront sensing ⓘ wavefront control ⓘ |
| wavelengthRange |
near-infrared
ⓘ
visible light ⓘ |
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: Coronagraph Instrument Description of subject: The Coronagraph Instrument is a high-contrast imaging and spectroscopy tool on the Nancy Grace Roman Space Telescope designed to directly observe and characterize exoplanets and faint circumstellar material near bright stars.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Roman Coronagraph Instrument