CMa
E506482
CMa is the standard astronomical abbreviation for Canis Major, a prominent constellation in the southern sky that contains Sirius, the brightest star visible from Earth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CMa canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5259938 — 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: CMa Context triple: [Canis Major, abbreviation, CMa]
-
A.
Cm
Cm is the standard abbreviation used for United Kingdom Command Papers, a type of official government publication presented to Parliament.
-
B.
CM
CM is the post-nominal letters used to denote a Member of the Order of Canada, one of the country’s highest civilian honors.
-
C.
CM
CM is the commonly used abbreviation for the Committee of Ministers, the decision-making body of the Council of Europe composed of the foreign ministers of member states or their representatives.
-
D.
CM
CM is the two-letter ISO 3166-1 alpha-2 country code assigned to Cameroon.
-
E.
CM
CM is the standard abbreviation for "Concrete Mathematics," a well-known textbook by Graham, Knuth, and Patashnik that blends discrete mathematics with concrete problem-solving techniques.
- 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: CMa Target entity description: CMa is the standard astronomical abbreviation for Canis Major, a prominent constellation in the southern sky that contains Sirius, the brightest star visible from Earth.
-
A.
Cm
Cm is the standard abbreviation used for United Kingdom Command Papers, a type of official government publication presented to Parliament.
-
B.
CM
CM is the post-nominal letters used to denote a Member of the Order of Canada, one of the country’s highest civilian honors.
-
C.
CM
CM is the commonly used abbreviation for the Committee of Ministers, the decision-making body of the Council of Europe composed of the foreign ministers of member states or their representatives.
-
D.
CM
CM is the two-letter ISO 3166-1 alpha-2 country code assigned to Cameroon.
-
E.
CM
CM is the standard abbreviation for "Concrete Mathematics," a well-known textbook by Graham, Knuth, and Patashnik that blends discrete mathematics with concrete problem-solving techniques.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | constellation abbreviation ⓘ |
| associatedWith | Sirius ⓘ |
| bestSeenIn | northern winter ⓘ |
| borderingConstellation |
Carina
ⓘ
Columba ⓘ Lepus ⓘ Monoceros ⓘ Pictor ⓘ Puppis ⓘ |
| contains |
Adhara (Epsilon Canis Majoris)
ⓘ
linked to:
Epsilon Canis Majoris
Aludra (Eta Canis Majoris) ⓘ
linked to:
Aludra
Canis Major Dwarf Galaxy (line-of-sight) ⓘ
linked to:
Canis Major Dwarf Galaxy
Furud (Zeta Canis Majoris) ⓘ
linked to:
Zeta Canis Majoris
HD 56925 (central star of NGC 2359) ⓘ
linked to:
NGC 2359
Mirzam (Beta Canis Majoris) ⓘ Omicron^1 Canis Majoris ⓘ
linked to:
Omicron2 Canis Majoris
Omicron^2 Canis Majoris ⓘ
linked to:
Omicron2 Canis Majoris
S Monocerotis association edge ⓘ Sirius ⓘ Sirius A ⓘ
linked to:
Sirius
Sirius B ⓘ
linked to:
Sirius
Tau Canis Majoris ⓘ Wezen (Delta Canis Majoris) ⓘ
linked to:
Delta Canis Majoris
emission nebula NGC 2359 ⓘ
linked to:
NGC 2359
open cluster M41 ⓘ
linked to:
Messier 41
open cluster NGC 2345 ⓘ
linked to:
NGC 2345
open cluster NGC 2354 ⓘ open cluster NGC 2360 ⓘ
linked to:
NGC 2360
open cluster NGC 2362 ⓘ
linked to:
NGC 2362
|
| containsBrightestStarInNightSky | Sirius ⓘ |
| containsPartOf |
Milky Way band
ⓘ
linked to:
MilkyWayBand
|
| coordinateSystem | equatorial coordinate system ⓘ |
| declinationRange | approximately −11° to −33° ⓘ |
| field | astronomy ⓘ |
| genitiveForm | Canis Majoris ⓘ |
| isStandardAbbreviationIn | IAU constellation nomenclature ⓘ |
| latinName | Canis Major ⓘ |
| mythologicalAssociation | greater dog of Orion ⓘ |
| refersTo |
Canis Major constellation
ⓘ
linked to:
Canis Major
|
| rightAscensionRange | approximately 6h to 8h ⓘ |
| skyHemisphere | southern celestial hemisphere ⓘ |
| standsFor | Canis Major ⓘ |
| symbolism | the greater dog ⓘ |
| threeLetterAbbreviation | CMa ⓘ |
| usedFor | designation of objects in Canis Major ⓘ |
| visibleFrom | most inhabited southern latitudes ⓘ |
| zodiacal | false ⓘ |
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: CMa Description of subject: CMa is the standard astronomical abbreviation for Canis Major, a prominent constellation in the southern sky that contains Sirius, the brightest star visible from Earth.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.