NGC 6872
E465455
NGC 6872 is a highly elongated barred spiral galaxy in the constellation Pavo, notable for being one of the largest known spiral galaxies and for its dramatic tidal interaction with a nearby companion.
All labels observed (2)
| Label | Occurrences |
|---|---|
| NGC 6872 canonical | 3 |
| IC 4970–NGC 6872 system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4736517 — 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: NGC 6872 Context triple: [Telescopium, containsDeepSkyObject, NGC 6872]
-
A.
NGC 604
NGC 604 is a vast, luminous star-forming nebula in the Triangulum Galaxy, notable as one of the largest known H II regions in the Local Group.
-
B.
NGC 3372
NGC 3372 is a massive, bright star-forming nebula in the Carina constellation, famous for housing the unstable supergiant star Eta Carinae and extensive regions of ionized gas and dust.
-
C.
NGC 2976
NGC 2976 is a nearby dwarf spiral galaxy in the constellation Ursa Major and a member of the M81 Group of galaxies.
-
D.
NGC 7318B
NGC 7318B is a galaxy in the compact group Stephan's Quintet, notable for its high-speed collision with neighboring galaxies that triggers intense shock waves and star formation.
-
E.
NGC 2403
NGC 2403 is a nearby spiral galaxy in the constellation Camelopardalis, notable for its active star formation and numerous observed supernovae.
- 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: NGC 6872 Target entity description: NGC 6872 is a highly elongated barred spiral galaxy in the constellation Pavo, notable for being one of the largest known spiral galaxies and for its dramatic tidal interaction with a nearby companion.
-
A.
NGC 604
NGC 604 is a vast, luminous star-forming nebula in the Triangulum Galaxy, notable as one of the largest known H II regions in the Local Group.
-
B.
NGC 3372
NGC 3372 is a massive, bright star-forming nebula in the Carina constellation, famous for housing the unstable supergiant star Eta Carinae and extensive regions of ionized gas and dust.
-
C.
NGC 2976
NGC 2976 is a nearby dwarf spiral galaxy in the constellation Ursa Major and a member of the M81 Group of galaxies.
-
D.
NGC 7318B
NGC 7318B is a galaxy in the compact group Stephan's Quintet, notable for its high-speed collision with neighboring galaxies that triggers intense shock waves and star formation.
-
E.
NGC 2403
NGC 2403 is a nearby spiral galaxy in the constellation Camelopardalis, notable for its active star formation and numerous observed supernovae.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
barred spiral galaxy
ⓘ
interacting galaxy ⓘ spiral galaxy ⓘ |
| alternativeName |
IC 4970–NGC 6872 system
ⓘ
linked to:
NGC 6872
The Condor Galaxy ⓘ |
| angularSize | ~6.0 × 1.7 arcminutes ⓘ |
| apparentMagnitudeV | ~12.7 ⓘ |
| armStructure | two prominent tidal arms ⓘ |
| barStructure | strong bar ⓘ |
| belongsTo | Pavo galaxy group ⓘ |
| catalog | New General Catalogue ⓘ |
| constellation | Pavo ⓘ |
| contains | young star clusters in tidal tails ⓘ |
| declination | −70° 46′ (approx) ⓘ |
| discoveredBy | John Herschel ⓘ |
| discoveryDate | 1835 ⓘ |
| distanceFromEarth |
~200 million light-years
ⓘ
~61 Mpc ⓘ |
| environment | group environment in Pavo ⓘ |
| galacticTypeDetail | barred spiral with tidal extensions ⓘ |
| gasContent | rich in neutral hydrogen (HI) ⓘ |
| hasCompanionGalaxy | IC 4970 ⓘ |
| hostGalaxyOf | numerous UV-bright star-forming regions ⓘ |
| interactionEffect |
distorted spiral structure
ⓘ
extended tidal tails ⓘ triggered star formation ⓘ |
| interactionType | tidal interaction ⓘ |
| locatedIn | southern celestial hemisphere ⓘ |
| majorAxisLength | ~522,000 light-years ⓘ |
| morphologicalType | SB(s)bc ⓘ |
| notableFor |
being one of the largest known spiral galaxies
ⓘ
dramatic tidal interaction with companion galaxy IC 4970 ⓘ highly elongated spiral arms ⓘ |
| observedBy |
Galaxy Evolution Explorer (GALEX)
ⓘ
linked to:
GALEX Galaxy Evolution Explorer
Hubble Space Telescope ⓘ Very Large Telescope (VLT) ⓘ
linked to:
Very Large Telescope
|
| observedIn |
optical wavelengths
ⓘ
radio wavelengths ⓘ ultraviolet wavelengths ⓘ |
| orientation | highly inclined disk ⓘ |
| radialVelocity | ~4050 km/s ⓘ |
| redshift | 0.0135 ⓘ |
| rightAscension | 20h 16m (approx) ⓘ |
| starFormation | enhanced star formation in tidal arms ⓘ |
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: NGC 6872 Description of subject: NGC 6872 is a highly elongated barred spiral galaxy in the constellation Pavo, notable for being one of the largest known spiral galaxies and for its dramatic tidal interaction with a nearby companion.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: NGC 6872