Holmberg II
E450571
Holmberg II is a dwarf irregular galaxy notable for its prominent gas structures and active star-forming regions, located in the nearby M81 Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Holmberg II canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4531647 — 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 II Context triple: [M81 Group, containsGalaxy, Holmberg II]
-
A.
Lönnbohm
Lönnbohm is the original family name of the renowned Finnish poet and journalist Eino Leino.
-
B.
Hesselberg
Hesselberg is a prominent hill in Bavaria, Germany, known as the highest elevation of the Franconian Alb region.
-
C.
Hildebrand
Hildebrand is the birth name of Pope Gregory VII, the 11th-century reformist pope central to the Investiture Controversy and the Gregorian Reforms.
-
D.
Blomstedt
Blomstedt is a surname most prominently associated with Herbert Blomstedt, a renowned Swedish conductor known for his interpretations of the classical and romantic repertoire.
-
E.
Ehling
Ehling is a German-language surname, likely of similar origin and meaning to the related name Ehle.
- 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 II Target entity description: Holmberg II is a dwarf irregular galaxy notable for its prominent gas structures and active star-forming regions, located in the nearby M81 Group.
-
A.
Lönnbohm
Lönnbohm is the original family name of the renowned Finnish poet and journalist Eino Leino.
-
B.
Hesselberg
Hesselberg is a prominent hill in Bavaria, Germany, known as the highest elevation of the Franconian Alb region.
-
C.
Hildebrand
Hildebrand is the birth name of Pope Gregory VII, the 11th-century reformist pope central to the Investiture Controversy and the Gregorian Reforms.
-
D.
Blomstedt
Blomstedt is a surname most prominently associated with Herbert Blomstedt, a renowned Swedish conductor known for his interpretations of the classical and romantic repertoire.
-
E.
Ehling
Ehling is a German-language surname, likely of similar origin and meaning to the related name Ehle.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf irregular galaxy
ⓘ
galaxy ⓘ |
| apparentMagnitudeV | ~11.1 ⓘ |
| belongsTo | nearby M81 galaxy complex ⓘ |
| catalogCode |
DDO 50
ⓘ
linked to:
DDO
PGC 23324 ⓘ UGC 4305 ⓘ |
| contains |
H II regions
ⓘ
massive stars ⓘ molecular clouds ⓘ neutral hydrogen gas ⓘ young stellar populations ⓘ |
| discoveredBy | Erik Holmberg ⓘ |
| distanceFromEarth |
~11 million light-years
ⓘ
~3.4 Mpc ⓘ |
| environment | nearby galaxy group ⓘ |
| hasGalaxyMorphologicalType | Im ⓘ |
| hasGalaxyType | Magellanic-type irregular ⓘ |
| hasLow |
metallicity
ⓘ
stellar mass ⓘ |
| hasNotableObject | Holmberg II X-1 ⓘ |
| hasNotableResearchTopic |
feedback from massive stars
ⓘ
structure of the interstellar medium in dwarf galaxies ⓘ ultraluminous X-ray sources in dwarf galaxies ⓘ |
| hasProminentFeature |
H I holes
ⓘ
X-ray source Holmberg II X-1 ⓘ active star-forming regions ⓘ extended neutral hydrogen disk ⓘ gas structures ⓘ supershells ⓘ |
| hasStarFormationActivity | high ⓘ |
| locatedIn |
M81 Group
ⓘ
Ursa Major constellation ⓘ
linked to:
Ursa Major
|
| memberOf | M81 Group ⓘ |
| namedAfter | Erik Holmberg ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| partOf | local universe ⓘ |
| radialVelocity | ~157 km/s ⓘ |
| redshift | 0.00048 ⓘ |
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: Holmberg II Description of subject: Holmberg II is a dwarf irregular galaxy notable for its prominent gas structures and active star-forming regions, located in the nearby M81 Group.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.