SNR G205.5+0.5
E1516326
UNEXPLORED
SNR G205.5+0.5 is a large, faint supernova remnant in the constellation Monoceros, commonly known as the Monoceros Loop.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SNR G205.5+0.5 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22057991 — 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: SNR G205.5+0.5 Context triple: [Monoceros Loop supernova remnant, otherName, SNR G205.5+0.5]
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A.
Cygnus OB2 #5
Cygnus OB2 #5 is a massive, luminous multiple star system in the Cygnus constellation, notable for its strong stellar winds and role as a prominent member of the Cygnus OB2 stellar association.
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B.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
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C.
PGC 2557
PGC 2557 is a nearby irregular dwarf galaxy in the Local Group, notable for its intense star formation and heavy obscuration by interstellar dust in the Milky Way’s plane.
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D.
Sharpless 25
Sharpless 25 is an emission nebula listed in the Sharpless catalog of H II regions within the Milky Way.
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E.
IC 443
IC 443 is a well-known supernova remnant in the constellation Gemini, notable for its complex, jellyfish-like structure and interaction with surrounding interstellar gas.
- 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: SNR G205.5+0.5 Target entity description: SNR G205.5+0.5 is a large, faint supernova remnant in the constellation Monoceros, commonly known as the Monoceros Loop.
-
A.
Cygnus OB2 #5
Cygnus OB2 #5 is a massive, luminous multiple star system in the Cygnus constellation, notable for its strong stellar winds and role as a prominent member of the Cygnus OB2 stellar association.
-
B.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
-
C.
PGC 2557
PGC 2557 is a nearby irregular dwarf galaxy in the Local Group, notable for its intense star formation and heavy obscuration by interstellar dust in the Milky Way’s plane.
-
D.
Sharpless 25
Sharpless 25 is an emission nebula listed in the Sharpless catalog of H II regions within the Milky Way.
-
E.
IC 443
IC 443 is a well-known supernova remnant in the constellation Gemini, notable for its complex, jellyfish-like structure and interaction with surrounding interstellar gas.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.