Lowell Observatory
E110983
Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T942750 — 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: Lowell Observatory Context triple: [Pluto, discoverySite, Lowell Observatory]
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A.
Yerkes Observatory
Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
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B.
Goodsell Observatory
Goodsell Observatory is a historic astronomical observatory on the campus of Carleton College in Northfield, Minnesota, known for its distinctive Romanesque architecture and long-standing role in teaching and research in astronomy.
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C.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
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D.
Palomar Observatory
Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of celestial objects.
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E.
Carnegie Observatories
Carnegie Observatories is a major astronomical research institution known for operating world-class telescopes and conducting cutting-edge studies of the universe.
- 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: Lowell Observatory Target entity description: Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
-
A.
Yerkes Observatory
Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
-
B.
Goodsell Observatory
Goodsell Observatory is a historic astronomical observatory on the campus of Carleton College in Northfield, Minnesota, known for its distinctive Romanesque architecture and long-standing role in teaching and research in astronomy.
-
C.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
D.
Palomar Observatory
Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of celestial objects.
-
E.
Carnegie Observatories
Carnegie Observatories is a major astronomical research institution known for operating world-class telescopes and conducting cutting-edge studies of the universe.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
historic site ⓘ research institution ⓘ |
| altitude | approximately 2190 meters ⓘ |
| cityNearby | Flagstaff ⓘ |
| country | United States of America ⓘ |
| discovery |
Pluto
ⓘ
expansion of the universe (Slipher redshift measurements contributed) ⓘ rings of Uranus (photographic evidence) ⓘ |
| employed |
Brian Skiff
ⓘ
Clyde Tombaugh ⓘ Edward C. Slipher ⓘ
linked to:
Vesto Melvin Slipher
Eugene Shoemaker ⓘ Percival Lowell ⓘ Vesto Melvin Slipher ⓘ |
| foundedBy | Percival Lowell ⓘ |
| foundingDate | 1894 ⓘ |
| hasAlternativeName |
Lowell Observatory Mars Hill campus
ⓘ
linked to:
Lowell Observatory
|
| hasDiscoverer | Clyde Tombaugh ⓘ |
| hasFacility |
Anderson Mesa Station
ⓘ
Clark Refractor ⓘ Lowell Discovery Telescope ⓘ Navy Precision Optical Interferometer (partnership) ⓘ Pluto Discovery Telescope ⓘ |
| hasMission |
STEM education
ⓘ
astronomical research ⓘ public outreach ⓘ |
| hasVisitorCenter | yes ⓘ |
| hasWebsite | https://lowell.edu ⓘ |
| heritageDesignationDate | 1965 ⓘ |
| heritageStatus | National Historic Landmark ⓘ |
| knownFor |
discovery of Pluto
ⓘ
planetary astronomy ⓘ public outreach in astronomy ⓘ search for Planet X ⓘ |
| locatedIn |
Arizona
ⓘ
Coconino County, Arizona ⓘ Flagstaff, Arizona ⓘ
linked to:
Flagstaff
|
| namedAfter | Percival Lowell ⓘ |
| offers |
educational programs
ⓘ
guided tours ⓘ public telescope viewing ⓘ |
| operatedBy | Lowell Observatory Foundation ⓘ |
| researchField |
exoplanets
ⓘ
galactic astronomy ⓘ planetary science ⓘ small bodies of the Solar System ⓘ stellar astronomy ⓘ |
| telescopeType |
reflecting telescope (multiple)
ⓘ
refracting telescope (Clark Refractor) ⓘ |
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: Lowell Observatory Description of subject: Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
Referenced by (36)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lowell Observatory
linked to: Lowell Observatory
linked to: Lowell Observatory
linked to: Lowell Observatory
subject linked to:
Navy Precision Optical Interferometer (partnership)
subject linked to:
Navy Precision Optical Interferometer (partnership)
linked to: Lowell Observatory
Anderson Mesa area (greater Flagstaff region)
→
hasFacility
→
Lowell Observatory Anderson Mesa Station
ⓘ
linked to: Lowell Observatory