V404 Cygni
E1229120
UNEXPLORED
V404 Cygni is a well-known black hole X-ray binary system in the constellation Cygnus, notable for its dramatic outbursts and strong variability.
All labels observed (1)
| Label | Occurrences |
|---|---|
| V404 Cygni canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T16692542 — 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: V404 Cygni Context triple: [Cygnus, containsVariableStar, V404 Cygni]
-
A.
V838 Monocerotis
V838 Monocerotis is a peculiar variable star best known for its spectacular 2002 outburst and subsequent expanding light echo, which produced some of the most striking astronomical images ever captured by the Hubble Space Telescope.
-
B.
V Coronae Australis
V Coronae Australis is a variable star located in the southern constellation Corona Australis.
-
C.
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.
-
D.
TY Coronae Australis
TY Coronae Australis is a young variable star in the Corona Australis constellation, associated with a nearby star-forming region and circumstellar material.
-
E.
3C 273
3C 273 is a bright, nearby quasar in the constellation Virgo and one of the first quasars ever identified, making it a landmark object in extragalactic astronomy.
- 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: V404 Cygni Target entity description: V404 Cygni is a well-known black hole X-ray binary system in the constellation Cygnus, notable for its dramatic outbursts and strong variability.
-
A.
V838 Monocerotis
V838 Monocerotis is a peculiar variable star best known for its spectacular 2002 outburst and subsequent expanding light echo, which produced some of the most striking astronomical images ever captured by the Hubble Space Telescope.
-
B.
V Coronae Australis
V Coronae Australis is a variable star located in the southern constellation Corona Australis.
-
C.
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.
-
D.
TY Coronae Australis
TY Coronae Australis is a young variable star in the Corona Australis constellation, associated with a nearby star-forming region and circumstellar material.
-
E.
3C 273
3C 273 is a bright, nearby quasar in the constellation Virgo and one of the first quasars ever identified, making it a landmark object in extragalactic astronomy.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cygnus