de Vaucouleurs system of galaxy classification
E902178
The de Vaucouleurs system of galaxy classification is an extended and more detailed refinement of the Hubble scheme that categorizes galaxies using a three-dimensional notation incorporating features such as bars, rings, and spiral arm structure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| de Vaucouleurs system of galaxy classification canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11078401 — 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: de Vaucouleurs system of galaxy classification Context triple: [Hubble sequence of galaxy classification, inspired, de Vaucouleurs system of galaxy classification]
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A.
Hubble sequence of galaxy classification
The Hubble sequence of galaxy classification is a morphological system that organizes galaxies into categories such as ellipticals, spirals, and irregulars based on their visual appearance.
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B.
Hubble sequence
The Hubble sequence is a morphological classification scheme that organizes galaxies into categories such as ellipticals, spirals, and irregulars based on their visual appearance.
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C.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
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D.
Revised Shapley–Ames Catalog of Bright Galaxies
The Revised Shapley–Ames Catalog of Bright Galaxies is a major astronomical catalog that systematically lists and classifies the brightest galaxies in the sky, serving as a foundational reference for extragalactic research.
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E.
Principal Galaxies Catalogue
The Principal Galaxies Catalogue is a comprehensive astronomical catalog that compiles detailed data and standardized designations for thousands of known galaxies.
- 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: de Vaucouleurs system of galaxy classification Target entity description: The de Vaucouleurs system of galaxy classification is an extended and more detailed refinement of the Hubble scheme that categorizes galaxies using a three-dimensional notation incorporating features such as bars, rings, and spiral arm structure.
-
A.
Hubble sequence of galaxy classification
The Hubble sequence of galaxy classification is a morphological system that organizes galaxies into categories such as ellipticals, spirals, and irregulars based on their visual appearance.
-
B.
Hubble sequence
The Hubble sequence is a morphological classification scheme that organizes galaxies into categories such as ellipticals, spirals, and irregulars based on their visual appearance.
-
C.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
-
D.
Revised Shapley–Ames Catalog of Bright Galaxies
The Revised Shapley–Ames Catalog of Bright Galaxies is a major astronomical catalog that systematically lists and classifies the brightest galaxies in the sky, serving as a foundational reference for extragalactic research.
-
E.
Principal Galaxies Catalogue
The Principal Galaxies Catalogue is a comprehensive astronomical catalog that compiles detailed data and standardized designations for thousands of known galaxies.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical classification scheme
ⓘ
galaxy morphological classification system ⓘ |
| alsoKnownAs |
de Vaucouleurs revised Hubble system
NERFINISHED
ⓘ
de Vaucouleurs revised Hubble–Sandage system NERFINISHED ⓘ |
| basedOn | Hubble sequence NERFINISHED ⓘ |
| capturesFeature |
inner rings
ⓘ
outer rings ⓘ pseudo-rings ⓘ |
| classifiesBy |
bulge-to-disk ratio
ⓘ
degree of arm winding ⓘ lens components ⓘ presence of bar ⓘ ring structures ⓘ spiral arm structure ⓘ |
| developedBy | Gérard de Vaucouleurs NERFINISHED ⓘ |
| dimensionIncludes |
family
ⓘ
stage ⓘ variety ⓘ |
| distinguishes |
strongly barred spirals
ⓘ
unbarred spirals ⓘ weakly barred spirals ⓘ |
| extends | Hubble tuning fork diagram NERFINISHED ⓘ |
| field |
extragalactic astronomy
ⓘ
galaxy morphology ⓘ |
| goal | provide more detailed description of galaxy morphology ⓘ |
| includes |
barred spiral galaxies
ⓘ
elliptical galaxies ⓘ irregular galaxies ⓘ lenticular galaxies ⓘ spiral galaxies ⓘ |
| influenced |
RC2 galaxy catalog classifications
ⓘ
RC3 galaxy catalog classifications NERFINISHED ⓘ |
| introducedIn | mid-20th century ⓘ |
| namedAfter | Gérard de Vaucouleurs NERFINISHED ⓘ |
| notationExample |
(r)
ⓘ
(rs) ⓘ (s) ⓘ SA ⓘ SAB ⓘ SB ⓘ a ⓘ b ⓘ c ⓘ d ⓘ e ⓘ |
| refines | Hubble galaxy classification scheme NERFINISHED ⓘ |
| supports | continuous sequence of galaxy types ⓘ |
| usedIn | cataloging nearby galaxies ⓘ |
| uses | three-dimensional notation ⓘ |
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: de Vaucouleurs system of galaxy classification Description of subject: The de Vaucouleurs system of galaxy classification is an extended and more detailed refinement of the Hubble scheme that categorizes galaxies using a three-dimensional notation incorporating features such as bars, rings, and spiral arm structure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Hubble sequence of galaxy classification
→
inspired
→
de Vaucouleurs system of galaxy classification
ⓘ