Mount Lemmon Observatory
E551066
Mount Lemmon Observatory is an astronomical research and public outreach facility located near the summit of Mount Lemmon in Arizona, known for its optical telescopes and sky surveys.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Mount Lemmon Observatory canonical | 2 |
| Mount Lemmon SkyCenter | 1 |
| Mount Lemmon Station | 1 |
| Mount Lemmon Survey | 1 |
| Mount Lemmon Survey Observatory | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5857535 — 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: Mount Lemmon Observatory Context triple: [Mount Lemmon, hasFacility, Mount Lemmon Observatory]
-
A.
Hat Creek Radio Observatory
Hat Creek Radio Observatory is a radio astronomy facility in Northern California known for hosting the Allen Telescope Array used in both astronomical and SETI research.
-
B.
Kitt Peak National Observatory
Kitt Peak National Observatory is a major astronomical research facility in Arizona that hosts numerous telescopes used for studying the universe and discovering celestial objects.
-
C.
Lick Observatory
Lick Observatory is a historic astronomical observatory located on Mount Hamilton in California, known for its pioneering research and large refracting telescope.
-
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.
Fremont Peak Observatory
Fremont Peak Observatory is a public astronomical observatory in California known for its stargazing programs and large telescopes available to amateur astronomers and visitors.
- 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: Mount Lemmon Observatory Target entity description: Mount Lemmon Observatory is an astronomical research and public outreach facility located near the summit of Mount Lemmon in Arizona, known for its optical telescopes and sky surveys.
-
A.
Hat Creek Radio Observatory
Hat Creek Radio Observatory is a radio astronomy facility in Northern California known for hosting the Allen Telescope Array used in both astronomical and SETI research.
-
B.
Kitt Peak National Observatory
Kitt Peak National Observatory is a major astronomical research facility in Arizona that hosts numerous telescopes used for studying the universe and discovering celestial objects.
-
C.
Lick Observatory
Lick Observatory is a historic astronomical observatory located on Mount Hamilton in California, known for its pioneering research and large refracting telescope.
-
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.
Fremont Peak Observatory
Fremont Peak Observatory is a public astronomical observatory in California known for its stargazing programs and large telescopes available to amateur astronomers and visitors.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
public outreach facility ⓘ research facility ⓘ |
| accessibleBy | Catalina Highway ⓘ |
| affiliatedWith | University of Arizona ⓘ |
| altitude |
approximately 2790 meters
ⓘ
approximately 9150 feet ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| distanceToNearestCity | approximately 45 kilometers from Tucson ⓘ |
| hasAlternativeName |
Mount Lemmon Station
ⓘ
linked to:
Mount Lemmon Observatory
Mount Lemmon Survey Observatory ⓘ
linked to:
Mount Lemmon Observatory
|
| hasClearSkies | yes ⓘ |
| hasClimate | high-altitude mountain climate ⓘ |
| hasDarkSkies | yes ⓘ |
| hasFunction |
astronomical research
ⓘ
optical sky surveys ⓘ public outreach ⓘ |
| hasTelescope |
0.8-meter reflector telescope
ⓘ
1.0-meter reflector telescope ⓘ 1.5-meter reflector telescope ⓘ |
| hasTelescopeType |
optical telescope
ⓘ
reflecting telescope ⓘ |
| knownFor |
near-Earth object observations
ⓘ
optical telescopes ⓘ sky surveys ⓘ |
| locatedIn |
Arizona
ⓘ
Pima County, Arizona ⓘ Santa Catalina Mountains ⓘ United States ⓘ
linked to:
United States of America
|
| locatedNear | summit of Mount Lemmon ⓘ |
| locatedOn | Mount Lemmon ⓘ |
| nearCity |
Tucson, Arizona
ⓘ
linked to:
Tucson
|
| offers |
educational programs
ⓘ
public observing programs ⓘ public tours ⓘ |
| operatedBy | University of Arizona ⓘ |
| ownedBy | University of Arizona ⓘ |
| partOf |
Catalina Sky Survey network
ⓘ
Mount Lemmon Survey ⓘ
linked to:
Mount Lemmon Observatory
Steward Observatory ⓘ |
| primaryResearchArea |
asteroids
ⓘ
comets ⓘ near-Earth objects ⓘ |
| state | Arizona ⓘ |
| usedFor |
asteroid discovery
ⓘ
comet observation ⓘ near-Earth object detection ⓘ |
| wavelengthRange | 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: Mount Lemmon Observatory Description of subject: Mount Lemmon Observatory is an astronomical research and public outreach facility located near the summit of Mount Lemmon in Arizona, known for its optical telescopes and sky surveys.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mount Lemmon Observatory
linked to: Mount Lemmon Observatory
linked to: Mount Lemmon Observatory
linked to: Mount Lemmon Observatory