Holmberg 2
E1326889
UNEXPLORED
Holmberg 2 is a nearby dwarf irregular galaxy in the constellation Ursa Major, notable for its active star formation and prominent gas structures.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Holmberg 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18485041 — 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: Holmberg 2 Context triple: [UGC 4305, hasAlternativeName, Holmberg 2]
-
A.
Holmberg IX
Holmberg IX is a small irregular dwarf galaxy and one of the nearest known satellite galaxies of the spiral galaxy Messier 81 (M81).
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B.
Bootes II Dwarf Galaxy
Bootes II Dwarf Galaxy is a faint, ultra-low-luminosity satellite galaxy of the Milky Way located in the constellation Boötes.
-
C.
Antlia 2 Dwarf Galaxy
Antlia 2 Dwarf Galaxy is an extremely diffuse, low-surface-brightness satellite galaxy of the Milky Way, notable for its large size yet faint appearance and recent discovery through Gaia data.
-
D.
Reticulum II Dwarf Galaxy
Reticulum II Dwarf Galaxy is an ultra-faint satellite galaxy of the Milky Way notable for its extreme dark matter dominance and unusually high abundance of heavy r-process elements.
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E.
Ursa Major II Dwarf Galaxy
Ursa Major II Dwarf Galaxy is a faint, dark-matter-dominated dwarf spheroidal satellite galaxy orbiting the Milky Way in the constellation Ursa Major.
- 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: Holmberg 2 Target entity description: Holmberg 2 is a nearby dwarf irregular galaxy in the constellation Ursa Major, notable for its active star formation and prominent gas structures.
-
A.
Holmberg IX
Holmberg IX is a small irregular dwarf galaxy and one of the nearest known satellite galaxies of the spiral galaxy Messier 81 (M81).
-
B.
Bootes II Dwarf Galaxy
Bootes II Dwarf Galaxy is a faint, ultra-low-luminosity satellite galaxy of the Milky Way located in the constellation Boötes.
-
C.
Antlia 2 Dwarf Galaxy
Antlia 2 Dwarf Galaxy is an extremely diffuse, low-surface-brightness satellite galaxy of the Milky Way, notable for its large size yet faint appearance and recent discovery through Gaia data.
-
D.
Reticulum II Dwarf Galaxy
Reticulum II Dwarf Galaxy is an ultra-faint satellite galaxy of the Milky Way notable for its extreme dark matter dominance and unusually high abundance of heavy r-process elements.
-
E.
Ursa Major II Dwarf Galaxy
Ursa Major II Dwarf Galaxy is a faint, dark-matter-dominated dwarf spheroidal satellite galaxy orbiting the Milky Way in the constellation Ursa Major.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.