Messier catalogue
E102231
The Messier catalogue is an 18th-century list of 110 notable deep-sky objects, such as star clusters, nebulae, and galaxies, compiled by French astronomer Charles Messier to help astronomers distinguish them from comets.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Messier catalogue canonical | 19 |
| Messier Catalogue | 5 |
| Messier catalog | 1 |
| Messier catalog of nebulae and star clusters | 1 |
| Messier marathon | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T870003 — 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: Messier catalogue Context triple: [M45, catalog, Messier catalogue]
-
A.
Messier
Messier is a French-origin surname most famously associated with Canadian ice hockey legend Mark Messier.
-
B.
UNDSS
UNDSS is the United Nations department responsible for providing leadership, operational support, and oversight of the UN’s security management system to ensure the safety and security of UN personnel and operations worldwide.
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C.
globular star cluster M13
Globular star cluster M13, also known as the Great Hercules Cluster, is a dense, bright spherical collection of hundreds of thousands of ancient stars located in the constellation Hercules and is one of the most prominent globular clusters visible from Earth.
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D.
Stephan's Quintet
Stephan's Quintet is a visually striking compact group of five galaxies in the constellation Pegasus, famous for their complex gravitational interactions and dramatic appearance in astronomical imagery.
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E.
Pleiades
The Pleiades are a famous open star cluster in the constellation Taurus, often known as the Seven Sisters in Greek mythology.
- 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: Messier catalogue Target entity description: The Messier catalogue is an 18th-century list of 110 notable deep-sky objects, such as star clusters, nebulae, and galaxies, compiled by French astronomer Charles Messier to help astronomers distinguish them from comets.
-
A.
Messier
Messier is a French-origin surname most famously associated with Canadian ice hockey legend Mark Messier.
-
B.
UNDSS
UNDSS is the United Nations department responsible for providing leadership, operational support, and oversight of the UN’s security management system to ensure the safety and security of UN personnel and operations worldwide.
-
C.
globular star cluster M13
Globular star cluster M13, also known as the Great Hercules Cluster, is a dense, bright spherical collection of hundreds of thousands of ancient stars located in the constellation Hercules and is one of the most prominent globular clusters visible from Earth.
-
D.
Stephan's Quintet
Stephan's Quintet is a visually striking compact group of five galaxies in the constellation Pegasus, famous for their complex gravitational interactions and dramatic appearance in astronomical imagery.
-
E.
Pleiades
The Pleiades are a famous open star cluster in the constellation Taurus, often known as the Seven Sisters in Greek mythology.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical catalogue
ⓘ
deep-sky object catalogue ⓘ |
| abbreviation | M catalogue ⓘ |
| associatedEvent |
Messier marathon
ⓘ
linked to:
Messier catalogue
|
| compiler | Charles Messier ⓘ |
| contains |
Messier 1
ⓘ
Messier 101 ⓘ Messier 13 ⓘ
linked to:
globular star cluster M13
Messier 31 ⓘ
linked to:
Andromeda Galaxy
Messier 42 ⓘ
linked to:
Orion Nebula
Messier 45 ⓘ Messier 51 ⓘ Messier 57 ⓘ Messier 87 ⓘ |
| coordinateSystem | equatorial coordinates ⓘ |
| countryOfOrigin | France ⓘ |
| expandedInYear |
1780
ⓘ
1781 ⓘ |
| firstPublicationYear | 1774 ⓘ |
| historicalSignificance | one of the earliest systematic catalogues of deep-sky objects ⓘ |
| includesTypeOfObject |
diffuse nebula
ⓘ
emission nebula ⓘ galaxy ⓘ globular star cluster ⓘ open star cluster ⓘ planetary nebula ⓘ supernova remnant ⓘ |
| influenced | New General Catalogue ⓘ |
| language | French ⓘ |
| namedAfter | Charles Messier ⓘ |
| notableObjectExample |
Andromeda Galaxy
ⓘ
Crab Nebula ⓘ Orion Nebula ⓘ Pleiades ⓘ Ring Nebula ⓘ Whirlpool Galaxy ⓘ
linked to:
Messier 51
|
| numberOfItems | 110 ⓘ |
| observationalBand | optical ⓘ |
| observingDifficultyRange | naked-eye to telescopic ⓘ |
| observingLocation | Paris Observatory ⓘ |
| publicationCentury | 18th century ⓘ |
| purpose | to help astronomers distinguish permanent deep-sky objects from comets ⓘ |
| skyCoverage |
northern celestial hemisphere
ⓘ
part of southern celestial hemisphere ⓘ |
| status | widely used reference list for deep-sky observing ⓘ |
| usedBy |
amateur astronomers
ⓘ
professional astronomers ⓘ |
| usesDesignationFormat | M followed by a number ⓘ |
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: Messier catalogue Description of subject: The Messier catalogue is an 18th-century list of 110 notable deep-sky objects, such as star clusters, nebulae, and galaxies, compiled by French astronomer Charles Messier to help astronomers distinguish them from comets.
Referenced by (27)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Messier catalogue
linked to: Messier catalogue
linked to: Messier catalogue
linked to: Messier catalogue
linked to: Messier catalogue
linked to: Messier catalogue
linked to: Messier catalogue
linked to: Messier catalogue