Navy Precision Optical Interferometer (partnership)
E481629
The Navy Precision Optical Interferometer is a high-resolution astronomical observatory operated as a partnership between Lowell Observatory, the U.S. Naval Observatory, and the U.S. Naval Research Laboratory to conduct precise optical interferometry of stars and other celestial objects.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Navy Precision Optical Interferometer (partnership) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4943116 — 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: Navy Precision Optical Interferometer (partnership) Context triple: [Lowell Observatory, hasFacility, Navy Precision Optical Interferometer (partnership)]
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A.
Narrabri Stellar Intensity Interferometer
The Narrabri Stellar Intensity Interferometer was a pioneering astronomical instrument in Australia that used intensity interferometry to measure the angular diameters of hot stars with unprecedented precision.
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B.
20 Meter Telescope
The 20 Meter Telescope is a mid-sized radio telescope at the Green Bank Observatory used for astronomical research and education in radio astronomy.
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C.
NIFS (Near-Infrared Integral Field Spectrometer)
NIFS (Near-Infrared Integral Field Spectrometer) is an astronomical instrument that provides three-dimensional near-infrared spectroscopy, enabling detailed spatial and spectral studies of celestial objects.
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D.
intensity interferometer
An intensity interferometer is a type of astronomical instrument that measures correlations in the intensity of light to determine the angular size and structure of stars with very high precision.
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E.
NIRI (Near-Infrared Imager and Spectrometer)
NIRI (Near-Infrared Imager and Spectrometer) is a near-infrared camera and spectrograph used on large telescopes to capture detailed images and spectra of astronomical objects at infrared wavelengths.
- 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: Navy Precision Optical Interferometer (partnership) Target entity description: The Navy Precision Optical Interferometer is a high-resolution astronomical observatory operated as a partnership between Lowell Observatory, the U.S. Naval Observatory, and the U.S. Naval Research Laboratory to conduct precise optical interferometry of stars and other celestial objects.
-
A.
Narrabri Stellar Intensity Interferometer
The Narrabri Stellar Intensity Interferometer was a pioneering astronomical instrument in Australia that used intensity interferometry to measure the angular diameters of hot stars with unprecedented precision.
-
B.
20 Meter Telescope
The 20 Meter Telescope is a mid-sized radio telescope at the Green Bank Observatory used for astronomical research and education in radio astronomy.
-
C.
NIFS (Near-Infrared Integral Field Spectrometer)
NIFS (Near-Infrared Integral Field Spectrometer) is an astronomical instrument that provides three-dimensional near-infrared spectroscopy, enabling detailed spatial and spectral studies of celestial objects.
-
D.
intensity interferometer
An intensity interferometer is a type of astronomical instrument that measures correlations in the intensity of light to determine the angular size and structure of stars with very high precision.
-
E.
NIRI (Near-Infrared Imager and Spectrometer)
NIRI (Near-Infrared Imager and Spectrometer) is a near-infrared camera and spectrograph used on large telescopes to capture detailed images and spectra of astronomical objects at infrared wavelengths.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
long-baseline interferometer ⓘ optical interferometer ⓘ stellar interferometer ⓘ |
| country | United States of America ⓘ |
| fundedBy | United States Navy ⓘ |
| hasAbbreviation | NPOI ⓘ |
| hasBaselineType |
Y-shaped array
ⓘ
multiple baselines ⓘ |
| hasCapability |
high-precision closure phase measurements
ⓘ
high-precision visibility measurements ⓘ milliarcsecond angular resolution ⓘ |
| hasPartner |
Lowell Observatory
ⓘ
United States Naval Observatory ⓘ United States Naval Research Laboratory ⓘ
linked to:
Naval Research Laboratory
|
| hasScientificGoal |
high-precision astrometric reference frame support
ⓘ
measurement of stellar properties ⓘ precise optical interferometry of stars ⓘ |
| locatedIn |
Anderson Mesa Station
ⓘ
Arizona ⓘ United States ⓘ
linked to:
United States of America
|
| locatedNear |
Flagstaff, Arizona
ⓘ
linked to:
Flagstaff
|
| observes |
binary stars
ⓘ
other celestial objects ⓘ stars ⓘ |
| operatedBy |
Lowell Observatory
ⓘ
United States Naval Observatory ⓘ United States Naval Research Laboratory ⓘ
linked to:
Naval Research Laboratory
|
| operationalStatus | active ⓘ |
| predecessor | Mark III Stellar Interferometer ⓘ |
| relatedTo | United States Navy ⓘ |
| scientificDiscipline |
astronomy
ⓘ
astrophysics ⓘ interferometry ⓘ optics ⓘ |
| usedFor |
astrometry
ⓘ
binary star characterization ⓘ calibration of stellar effective temperatures ⓘ high-angular-resolution astronomy ⓘ optical interferometry ⓘ stellar diameter measurements ⓘ |
| wavelengthRange | visible light ⓘ |
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: Navy Precision Optical Interferometer (partnership) Description of subject: The Navy Precision Optical Interferometer is a high-resolution astronomical observatory operated as a partnership between Lowell Observatory, the U.S. Naval Observatory, and the U.S. Naval Research Laboratory to conduct precise optical interferometry of stars and other celestial objects.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.