Photometria
E279126
Photometria is an influential 1760 treatise by Johann Heinrich Lambert that laid the foundations of photometry by quantitatively describing the measurement and behavior of light.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Photometria canonical | 1 |
| Photometria, sive de mensura et gradibus luminis, colorum et umbrae | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2566439 — 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.
Target entity: Photometria Context triple: [Johann Heinrich Lambert, notableWork, Photometria]
-
A.
Dioptrique
Dioptrique is a scientific treatise by René Descartes that lays out his pioneering theories on light and optics, including the law of refraction.
-
B.
A Compendium of Spherical Astronomy
A Compendium of Spherical Astronomy is a foundational 19th-century textbook by Simon Newcomb that systematically presents the mathematical and theoretical principles underlying positional astronomy and celestial mechanics.
-
C.
Traité de la lumière
Traité de la lumière is a seminal 1690 scientific treatise that presents Christiaan Huygens’ wave theory of light, including the principle now known as Huygens’ principle.
-
D.
Dall–Kirkham telescope design
The Dall–Kirkham telescope design is a type of reflecting telescope that uses an elliptical primary mirror and a spherical secondary mirror to provide good on-axis image quality with relatively simple, easy-to-manufacture optics.
-
E.
Tolman surface brightness test
The Tolman surface brightness test is an observational cosmology method that checks whether the universe is expanding by examining how the surface brightness of distant galaxies diminishes with redshift.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Photometria Target entity description: Photometria is an influential 1760 treatise by Johann Heinrich Lambert that laid the foundations of photometry by quantitatively describing the measurement and behavior of light.
-
A.
Dioptrique
Dioptrique is a scientific treatise by René Descartes that lays out his pioneering theories on light and optics, including the law of refraction.
-
B.
A Compendium of Spherical Astronomy
A Compendium of Spherical Astronomy is a foundational 19th-century textbook by Simon Newcomb that systematically presents the mathematical and theoretical principles underlying positional astronomy and celestial mechanics.
-
C.
Traité de la lumière
Traité de la lumière is a seminal 1690 scientific treatise that presents Christiaan Huygens’ wave theory of light, including the principle now known as Huygens’ principle.
-
D.
Dall–Kirkham telescope design
The Dall–Kirkham telescope design is a type of reflecting telescope that uses an elliptical primary mirror and a spherical secondary mirror to provide good on-axis image quality with relatively simple, easy-to-manufacture optics.
-
E.
Tolman surface brightness test
The Tolman surface brightness test is an observational cosmology method that checks whether the universe is expanding by examining how the surface brightness of distant galaxies diminishes with redshift.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
book
ⓘ
scientific treatise ⓘ work on photometry ⓘ |
| author | Johann Heinrich Lambert ⓘ |
| countryOfOrigin | Switzerland ⓘ |
| describes |
behavior of light
ⓘ
measurement of light ⓘ |
| field |
optics
ⓘ
photometry ⓘ physics ⓘ |
| formulates | cosine law of illumination ⓘ |
| genre |
physics monograph
ⓘ
scientific literature ⓘ |
| hasAuthorCitizenship | Swiss ⓘ |
| hasAuthorOccupation |
astronomer
ⓘ
mathematician ⓘ physicist ⓘ |
| hasPart |
discussion of visual perception of brightness
ⓘ
experimental results on light intensity ⓘ theoretical treatment of light measurement ⓘ |
| influenced |
development of optical photometry
ⓘ
measurement standards for light intensity ⓘ |
| inLanguage | Latin ⓘ |
| introduces | inverse square law for light intensity ⓘ |
| introducesConcept |
illumination
ⓘ
light absorption ⓘ light reflection ⓘ light transmission ⓘ luminance ⓘ luminous intensity ⓘ |
| laysFoundationFor | photometry ⓘ |
| notableFor |
early quantitative laws of light intensity
ⓘ
first systematic theory of photometry ⓘ rigorous experimental approach to light measurement ⓘ |
| originalLanguage | Latin ⓘ |
| placeOfPublication | Augsburg ⓘ |
| publicationCentury | 18th century ⓘ |
| publicationYear | 1760 ⓘ |
| publisher | Eberhard Klett ⓘ |
| title |
Photometria
self-linksurface differs
ⓘ
surface form:
Photometria, sive de mensura et gradibus luminis, colorum et umbrae
|
| topic |
colors
ⓘ
laws of illumination ⓘ measurement of brightness ⓘ optical instruments ⓘ properties of light sources ⓘ shadows ⓘ |
| usesMethod |
geometrical analysis of light propagation
ⓘ
quantitative experiments with light sources ⓘ |
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.
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.
Subject: Photometria Description of subject: Photometria is an influential 1760 treatise by Johann Heinrich Lambert that laid the foundations of photometry by quantitatively describing the measurement and behavior of light.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.