Megacam
E117316
Megacam is a wide-field optical imaging camera used on large ground-based telescopes for deep, high-resolution astronomical surveys.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Megacam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T991221 — 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: Megacam Context triple: [Magellan Telescopes, hasInstrument, Megacam]
-
A.
Cyber-shot
Cyber-shot is Sony's line of compact digital still cameras known for their portability, advanced imaging features, and consumer-friendly design.
-
B.
Bortus
Bortus is a stoic, duty-bound Moclan officer serving as second-in-command aboard the exploratory spaceship in the sci-fi comedy series "The Orville."
-
C.
Coolamon
Coolamon is a small rural town in the Riverina region of New South Wales, Australia, known for its agricultural heritage and historic streetscape.
-
D.
Martz
Martz is a surname most notably associated with Mike Martz, an American football coach known for his innovative offensive strategies in the NFL.
-
E.
Mvezo
Mvezo is a small rural village in South Africa’s Eastern Cape best known as the birthplace of Nelson Mandela.
- 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: Megacam Target entity description: Megacam is a wide-field optical imaging camera used on large ground-based telescopes for deep, high-resolution astronomical surveys.
-
A.
Cyber-shot
Cyber-shot is Sony's line of compact digital still cameras known for their portability, advanced imaging features, and consumer-friendly design.
-
B.
Bortus
Bortus is a stoic, duty-bound Moclan officer serving as second-in-command aboard the exploratory spaceship in the sci-fi comedy series "The Orville."
-
C.
Coolamon
Coolamon is a small rural town in the Riverina region of New South Wales, Australia, known for its agricultural heritage and historic streetscape.
-
D.
Martz
Martz is a surname most notably associated with Mike Martz, an American football coach known for his innovative offensive strategies in the NFL.
-
E.
Mvezo
Mvezo is a small rural village in South Africa’s Eastern Cape best known as the birthplace of Nelson Mandela.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | wide-field optical imaging camera ⓘ |
| designedFor | imaging large areas of the sky in a single exposure ⓘ |
| detects | light from distant astronomical objects ⓘ |
| enables |
detection of faint astronomical sources
ⓘ
mapping of large-scale structure in the universe ⓘ precision photometry over wide fields ⓘ |
| hasComponent |
filter system
ⓘ
focal plane detector array ⓘ optical corrector ⓘ |
| hasProperty |
high angular resolution
ⓘ
suitable for deep imaging ⓘ wide field of view ⓘ |
| mountedOn | ground-based telescope focus ⓘ |
| observes | optical wavelengths ⓘ |
| usedFor |
deep astronomical surveys
ⓘ
high-resolution imaging of the night sky ⓘ wide-field sky surveys ⓘ |
| usedIn |
astronomical research
ⓘ
observational cosmology ⓘ searches for transient astronomical events ⓘ studies of galaxies ⓘ studies of galaxy clusters ⓘ studies of variable stars ⓘ survey astronomy ⓘ |
| usedOn | large ground-based telescopes ⓘ |
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: Megacam Description of subject: Megacam is a wide-field optical imaging camera used on large ground-based telescopes for deep, high-resolution astronomical surveys.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.