Magellan I
E14148
Magellan I is a large optical telescope at Las Campanas Observatory in Chile, forming one of the twin Magellan telescopes used for advanced astronomical research.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Magellan I canonical | 1 |
| Magellan II | 1 |
| Magellan Project | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T38856 — 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: Magellan I Context triple: [Baade Telescope, alsoKnownAs, Magellan I]
-
A.
Ferdinand Magellan
Ferdinand Magellan was a Portuguese explorer who led the first expedition to circumnavigate the globe, significantly advancing European knowledge of world geography.
-
B.
Amerigo Vespucci
Amerigo Vespucci was an Italian explorer and navigator whose voyages to the New World led to the continents of the Americas being named in his honor.
-
C.
Vasco da Gama
Vasco da Gama was a Portuguese navigator who pioneered the sea route from Europe to India, becoming one of the most significant explorers of the Age of Exploration.
-
D.
Christopher Columbus
Christopher Columbus was an Italian navigator whose transatlantic voyages for Spain in the late 15th century opened the way for widespread European exploration and colonization of the Americas.
-
E.
Bartolomeu Dias
Bartolomeu Dias was a 15th-century Portuguese navigator best known for being the first European to sail around the southern tip of Africa, opening the sea route from Europe to Asia.
- 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: Magellan I Target entity description: Magellan I is a large optical telescope at Las Campanas Observatory in Chile, forming one of the twin Magellan telescopes used for advanced astronomical research.
-
A.
Ferdinand Magellan
Ferdinand Magellan was a Portuguese explorer who led the first expedition to circumnavigate the globe, significantly advancing European knowledge of world geography.
-
B.
Amerigo Vespucci
Amerigo Vespucci was an Italian explorer and navigator whose voyages to the New World led to the continents of the Americas being named in his honor.
-
C.
Vasco da Gama
Vasco da Gama was a Portuguese navigator who pioneered the sea route from Europe to India, becoming one of the most significant explorers of the Age of Exploration.
-
D.
Christopher Columbus
Christopher Columbus was an Italian navigator whose transatlantic voyages for Spain in the late 15th century opened the way for widespread European exploration and colonization of the Americas.
-
E.
Bartolomeu Dias
Bartolomeu Dias was a 15th-century Portuguese navigator best known for being the first European to sail around the southern tip of Africa, opening the sea route from Europe to Asia.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory instrument
ⓘ
ground-based telescope ⓘ optical telescope ⓘ |
| alsoKnownAs | Baade Telescope ⓘ |
| apertureClass | 6–7 metre class telescope ⓘ |
| commissioned | early 2000s ⓘ |
| country | Chile ⓘ |
| designGoal |
high angular resolution
ⓘ
high sensitivity ⓘ |
| firstLight | around 2000 ⓘ |
| hasInstrument |
imaging cameras
ⓘ
multi-object spectrographs ⓘ near-infrared instruments ⓘ spectrographs ⓘ |
| hemisphere | Southern Hemisphere ⓘ |
| locatedIn |
Atacama Region
ⓘ
Chile ⓘ Las Campanas Observatory ⓘ |
| mirrorType | primary mirror ⓘ |
| mountType | altazimuth mount ⓘ |
| namedAfter | Walter Baade ⓘ |
| observatoryCode | I05 ⓘ |
| observatorySite | Las Campanas Observatory ⓘ |
| operatedBy |
Carnegie Institution for Science
ⓘ
linked to:
Carnegie Institution of Washington
Carnegie Observatories ⓘ |
| partOf |
Las Campanas Observatory telescope array
ⓘ
linked to:
du Pont Telescope
Magellan telescopes ⓘ
linked to:
Magellan Telescopes
|
| primaryMirrorDiameter |
6.5 metres
ⓘ
650 centimetres ⓘ |
| scientificDiscipline |
astronomy
ⓘ
astrophysics ⓘ |
| siteAltitude |
approximately 2400 metres
ⓘ
approximately 8000 feet ⓘ |
| skyCoverage | southern sky ⓘ |
| telescopeType | Ritchey–Chrétien reflector ⓘ |
| twinWith |
Magellan II
ⓘ
linked to:
Magellan I
|
| usedFor |
astronomical research
ⓘ
exoplanet research ⓘ galaxy formation studies ⓘ imaging ⓘ observational cosmology ⓘ spectroscopy ⓘ stellar astrophysics ⓘ |
| wavelengthRange |
near-infrared
ⓘ
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: Magellan I Description of subject: Magellan I is a large optical telescope at Las Campanas Observatory in Chile, forming one of the twin Magellan telescopes used for advanced astronomical research.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Magellan I
linked to: Magellan I