SPM Observatory
E833794
SPM Observatory is a major astronomical observatory located in the Sierra de San Pedro Mártir in Baja California, Mexico, known for its high-altitude site and excellent observing conditions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SPM Observatory canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10000602 — 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: SPM Observatory Context triple: [OAN San Pedro Mártir, abbreviation, SPM Observatory]
-
A.
MMT Observatory
The MMT Observatory is a major astronomical research facility in Arizona known for its innovative multiple-mirror design and contributions to optical and infrared astronomy.
-
B.
Mamalluca Observatory
Mamalluca Observatory is a popular public astronomical observatory in Chile’s Elqui Valley, renowned for its exceptionally clear skies and stargazing tourism.
-
C.
Pangue Observatory
Pangue Observatory is a small, privately run astronomical observatory in Chile’s Elqui Valley, known for its exceptionally clear skies and public stargazing tours.
-
D.
Comet Observatory
The Comet Observatory is a celestial hub and main setting in Super Mario Galaxy, serving as Princess Rosalina’s starship-like home base from which Mario travels to various galaxies.
-
E.
Enoura Observatory
Enoura Observatory is an art and cultural complex in Odawara, Japan, created by photographer and architect Hiroshi Sugimoto as a site-specific fusion of contemporary art, architecture, landscape, and astronomical observation.
- 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: SPM Observatory Target entity description: SPM Observatory is a major astronomical observatory located in the Sierra de San Pedro Mártir in Baja California, Mexico, known for its high-altitude site and excellent observing conditions.
-
A.
MMT Observatory
The MMT Observatory is a major astronomical research facility in Arizona known for its innovative multiple-mirror design and contributions to optical and infrared astronomy.
-
B.
Mamalluca Observatory
Mamalluca Observatory is a popular public astronomical observatory in Chile’s Elqui Valley, renowned for its exceptionally clear skies and stargazing tourism.
-
C.
Pangue Observatory
Pangue Observatory is a small, privately run astronomical observatory in Chile’s Elqui Valley, known for its exceptionally clear skies and public stargazing tours.
-
D.
Comet Observatory
The Comet Observatory is a celestial hub and main setting in Super Mario Galaxy, serving as Princess Rosalina’s starship-like home base from which Mario travels to various galaxies.
-
E.
Enoura Observatory
Enoura Observatory is an art and cultural complex in Odawara, Japan, created by photographer and architect Hiroshi Sugimoto as a site-specific fusion of contemporary art, architecture, landscape, and astronomical observation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
research facility ⓘ |
| abbreviation | OAN-SPM ⓘ |
| altitude | approximately 2800 m ⓘ |
| continent | North America ⓘ |
| country | Mexico ⓘ |
| environment |
mountainous
ⓘ
remote ⓘ |
| fullName |
Observatorio Astronómico Nacional de San Pedro Mártir
ⓘ
linked to:
OAN San Pedro Mártir Observatory
|
| hasClimate | dry ⓘ |
| hasInfrastructure |
control rooms
ⓘ
dormitories ⓘ instrument labs ⓘ support buildings ⓘ |
| hasNumberOfClearNightsPerYear | high ⓘ |
| hasRoadAccessFrom |
Ensenada
ⓘ
Mexicali ⓘ |
| hasTelescope |
0.84 m telescope
ⓘ
1.5 m telescope ⓘ 2.12 m telescope ⓘ Schmidt telescope ⓘ |
| hasTypeOfInstrumentation |
imaging cameras
ⓘ
photometers ⓘ spectrographs ⓘ |
| knownFor |
dark skies
ⓘ
excellent seeing conditions ⓘ high-altitude site ⓘ |
| languageOfWork |
English
ⓘ
Spanish ⓘ |
| locatedIn |
Baja California
ⓘ
Baja California Peninsula ⓘ
linked to:
Baja California
San Pedro Mártir National Park ⓘ
linked to:
Parque Nacional Sierra de San Pedro Mártir
Sierra de San Pedro Mártir ⓘ |
| operatedBy |
Instituto de Astronomía, UNAM
ⓘ
National Autonomous University of Mexico ⓘ |
| ownedBy | National Autonomous University of Mexico ⓘ |
| partOf |
Observatorio Astronómico Nacional (Mexico)
ⓘ
linked to:
Observatorio Astronómico Nacional
|
| primaryResearchField |
astrophysics
ⓘ
optical astronomy ⓘ |
| region |
northwestern Mexico
ⓘ
linked to:
Northwestern Mexico
|
| skyBrightness | very dark ⓘ |
| skyQuality | low atmospheric turbulence ⓘ |
| usedFor |
extragalactic astronomy
ⓘ
galactic astronomy ⓘ photometry ⓘ spectroscopy ⓘ stellar astronomy ⓘ time-domain astronomy ⓘ |
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: SPM Observatory Description of subject: SPM Observatory is a major astronomical observatory located in the Sierra de San Pedro Mártir in Baja California, Mexico, known for its high-altitude site and excellent observing conditions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.