Lyot coronagraphs
E290070
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lyot coronagraphs canonical | 1 |
| band-limited Lyot coronagraph | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2706111 — 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: Lyot coronagraphs Context triple: [NIRCam, hasCoronagraph, Lyot coronagraphs]
-
A.
MagAO
MagAO is an adaptive optics system on the Magellan Telescopes that corrects atmospheric distortion to enable high-resolution astronomical imaging.
-
B.
Dall–Kirkham telescope design
The Dall–Kirkham telescope design is a type of reflecting telescope that uses an elliptical primary mirror and a spherical secondary mirror to provide good on-axis image quality with relatively simple, easy-to-manufacture optics.
-
C.
Maksutov–Cassegrain telescope design
The Maksutov–Cassegrain telescope design is a compact catadioptric optical system that uses a spherical primary mirror and a meniscus corrector lens to provide long focal lengths with well-corrected, high-contrast images in a relatively short tube.
-
D.
GSAOI (Gemini South Adaptive Optics Imager)
GSAOI (Gemini South Adaptive Optics Imager) is a high-resolution near-infrared camera designed to work with adaptive optics on the Gemini South telescope, enabling extremely sharp imaging by correcting for atmospheric distortion.
-
E.
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.
- 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: Lyot coronagraphs Target entity description: 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.
-
A.
MagAO
MagAO is an adaptive optics system on the Magellan Telescopes that corrects atmospheric distortion to enable high-resolution astronomical imaging.
-
B.
Dall–Kirkham telescope design
The Dall–Kirkham telescope design is a type of reflecting telescope that uses an elliptical primary mirror and a spherical secondary mirror to provide good on-axis image quality with relatively simple, easy-to-manufacture optics.
-
C.
Maksutov–Cassegrain telescope design
The Maksutov–Cassegrain telescope design is a compact catadioptric optical system that uses a spherical primary mirror and a meniscus corrector lens to provide long focal lengths with well-corrected, high-contrast images in a relatively short tube.
-
D.
GSAOI (Gemini South Adaptive Optics Imager)
GSAOI (Gemini South Adaptive Optics Imager) is a high-resolution near-infrared camera designed to work with adaptive optics on the Gemini South telescope, enabling extremely sharp imaging by correcting for atmospheric distortion.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical instrument component
ⓘ
coronagraph ⓘ optical device ⓘ |
| appliedIn |
ground-based observatories
ⓘ
space telescopes ⓘ |
| basedOn | Fourier optics ⓘ |
| blocksLightFrom |
central star
ⓘ
on-axis source ⓘ |
| component |
Lyot stop
ⓘ
focal plane mask ⓘ reimaged pupil plane ⓘ |
| designGoal |
maintain off-axis throughput
ⓘ
suppress on-axis starlight ⓘ |
| developedBy | Bernard Lyot ⓘ |
| enablesObservationOf |
circumstellar disks
ⓘ
exoplanets ⓘ faint nearby objects ⓘ stellar companions ⓘ |
| eraOfOrigin | 20th century ⓘ |
| field |
astronomy
ⓘ
astrophysics ⓘ optics ⓘ |
| historicalUse | solar corona observations ⓘ |
| improves | contrast ⓘ |
| measurementType | direct imaging ⓘ |
| namedAfter | Bernard Lyot ⓘ |
| oftenUsedWith | adaptive optics systems ⓘ |
| operatesIn |
focal plane
ⓘ
pupil plane ⓘ |
| performanceLimitedBy |
scattered light
ⓘ
telescope aberrations ⓘ wavefront errors ⓘ |
| purpose |
direct imaging of exoplanets
ⓘ
high-contrast imaging ⓘ imaging circumstellar disks ⓘ |
| reduces |
stellar diffraction pattern
ⓘ
stray light ⓘ |
| requires |
high-quality wavefront
ⓘ
precise alignment ⓘ |
| usedFor |
characterizing exoplanetary environments
ⓘ
observing debris disks ⓘ observing protoplanetary disks ⓘ studying planetary systems ⓘ |
| usedIn | telescopes ⓘ |
| variant |
apodized Lyot coronagraph
ⓘ
Lyot coronagraphs self-linksurface differs ⓘ
surface form:
band-limited Lyot coronagraph
classical Lyot coronagraph ⓘ |
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: Lyot coronagraphs Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
band-limited Lyot coronagraph