CMa Dwarf
E118796
CMa Dwarf is a small, nearby satellite galaxy of the Milky Way believed to be in the process of being tidally disrupted and absorbed.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CMa Dwarf canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1000502 — 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 Dwarf Context triple: [Canis Major Dwarf Galaxy, alternativeName, CMa Dwarf]
-
A.
Cosmia
"Cosmia" is a song by American singer-songwriter Joanna Newsom, known for its intricate harp arrangements and poetic, emotionally rich lyrics.
-
B.
Cassibile
Cassibile is a village in southeastern Sicily, Italy, historically notable as the site where the 1943 armistice between Italy and the Allies was signed during World War II.
-
C.
Malthace
Malthace was a wife of Herod the Great and the mother of several of his children, including Herod Antipas, placing her within the Herodian royal family of Judea.
-
D.
Ursa Minor Beta
Ursa Minor Beta is a fictional planet in Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series, best known as the corporate home of the Guide itself.
-
E.
Myal
Myal is an Afro-Caribbean spiritual tradition originating among enslaved Africans in Jamaica, characterized by spirit possession, healing rituals, and resistance to oppression.
- 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 Dwarf Target entity description: CMa Dwarf is a small, nearby satellite galaxy of the Milky Way believed to be in the process of being tidally disrupted and absorbed.
-
A.
Cosmia
"Cosmia" is a song by American singer-songwriter Joanna Newsom, known for its intricate harp arrangements and poetic, emotionally rich lyrics.
-
B.
Cassibile
Cassibile is a village in southeastern Sicily, Italy, historically notable as the site where the 1943 armistice between Italy and the Allies was signed during World War II.
-
C.
Malthace
Malthace was a wife of Herod the Great and the mother of several of his children, including Herod Antipas, placing her within the Herodian royal family of Judea.
-
D.
Ursa Minor Beta
Ursa Minor Beta is a fictional planet in Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series, best known as the corporate home of the Guide itself.
-
E.
Myal
Myal is an Afro-Caribbean spiritual tradition originating among enslaved Africans in Jamaica, characterized by spirit possession, healing rituals, and resistance to oppression.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf galaxy
ⓘ
satellite galaxy ⓘ stellar overdensity ⓘ |
| absoluteMagnitudeV | around −14 ⓘ |
| alternateName |
Canis Major Dwarf
ⓘ
linked to:
Canis Major Dwarf Galaxy
Canis Major Dwarf Galaxy ⓘ Canis Major Overdensity ⓘ |
| associatedWith | Monoceros Ring ⓘ |
| containsStellarPopulation |
M-giant stars
ⓘ
intermediate-age stars ⓘ old stars ⓘ red giant stars ⓘ |
| controversial | true ⓘ |
| controversyTopic | whether it is a distinct dwarf galaxy or a warp/flare of the Milky Way disk ⓘ |
| discoveredBy | Martin et al. ⓘ |
| discoveryMethod | star count analysis in 2MASS survey ⓘ |
| discoveryYear | 2003 ⓘ |
| distanceFromEarth | ~25,000 light-years ⓘ |
| distanceFromGalacticCenter | ~42,000 light-years ⓘ |
| evidenceForAccretion |
kinematics of M-giant stars
ⓘ
spatial overdensity of stars ⓘ |
| galacticLatitude | low galactic latitude ⓘ |
| hasRadialVelocitySignature | distinct from typical Milky Way disk stars ⓘ |
| interactionWith |
Milky Way tidal field
ⓘ
linked to:
Milky Way dark matter halo
|
| locatedIn |
Galactic anticenter region
ⓘ
Milky Way halo ⓘ
linked to:
Milky Way stellar halo
|
| locatedInConstellation | Canis Major ⓘ |
| massEstimate | on the order of 10^8–10^9 solar masses ⓘ |
| metallicity | relatively metal-rich for a dwarf galaxy ⓘ |
| obscuredBy |
Galactic disk
ⓘ
interstellar dust ⓘ |
| observedIn | near-infrared wavelengths ⓘ |
| observedWith |
2MASS survey
ⓘ
linked to:
Two Micron All Sky Survey
optical photometric surveys ⓘ spectroscopic follow-up observations ⓘ |
| orbitalStatus | in process of being accreted by the Milky Way ⓘ |
| possibleProgenitorOf | Monoceros Ring ⓘ |
| produces | stellar tidal streams ⓘ |
| relatedStructure |
Galactic flare
ⓘ
Galactic warp ⓘ |
| researchTopic |
hierarchical galaxy formation
ⓘ
origin of outer Milky Way disk structures ⓘ satellite accretion in the Milky Way ⓘ |
| roleInAstrophysics | example of ongoing minor merger with the Milky Way ⓘ |
| satelliteOf | Milky Way ⓘ |
| shape | elongated and distorted by tides ⓘ |
| status | tidally disrupting ⓘ |
| stellarContent | dominantly old and intermediate-age populations ⓘ |
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 Dwarf Description of subject: CMa Dwarf is a small, nearby satellite galaxy of the Milky Way believed to be in the process of being tidally disrupted and absorbed.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.