Holmberg II X-1
E1324756
UNEXPLORED
Holmberg II X-1 is an ultraluminous X-ray source in the dwarf galaxy Holmberg II, believed to be powered by accretion onto a compact object such as a black hole.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Holmberg II X-1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18442752 — 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 X-1 Context triple: [Holmberg II, hasNotableObject, Holmberg II X-1]
-
A.
Scorpius X-1
Scorpius X-1 is a bright low-mass X-ray binary system and one of the strongest persistent X-ray sources in the sky, located in the constellation Scorpius.
-
B.
Cygnus X-2
Cygnus X-2 is a bright low-mass X-ray binary system in the constellation Cygnus, consisting of a neutron star accreting matter from a companion star and serving as an important source for studying X-ray emission and compact objects.
-
C.
Gamma Coronae Borealis
Gamma Coronae Borealis is a binary star system in the northern constellation Corona Borealis, visible to the naked eye and used as a reference point within the constellation’s distinctive arc.
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D.
Baade X
Baade X is a minor lunar impact crater located near the larger crater Baade on the Moon’s far side.
-
E.
Rho Tucanae
Rho Tucanae is a star located in the southern constellation Tucana.
- 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 X-1 Target entity description: Holmberg II X-1 is an ultraluminous X-ray source in the dwarf galaxy Holmberg II, believed to be powered by accretion onto a compact object such as a black hole.
-
A.
Scorpius X-1
Scorpius X-1 is a bright low-mass X-ray binary system and one of the strongest persistent X-ray sources in the sky, located in the constellation Scorpius.
-
B.
Cygnus X-2
Cygnus X-2 is a bright low-mass X-ray binary system in the constellation Cygnus, consisting of a neutron star accreting matter from a companion star and serving as an important source for studying X-ray emission and compact objects.
-
C.
Gamma Coronae Borealis
Gamma Coronae Borealis is a binary star system in the northern constellation Corona Borealis, visible to the naked eye and used as a reference point within the constellation’s distinctive arc.
-
D.
Baade X
Baade X is a minor lunar impact crater located near the larger crater Baade on the Moon’s far side.
-
E.
Rho Tucanae
Rho Tucanae is a star located in the southern constellation Tucana.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.