NGC 7318B is a spiral galaxy
E290089
NGC 7318B is a spiral galaxy in the compact galaxy group Stephan's Quintet, notable for its high-speed collision and interaction with neighboring galaxies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 7318B is a spiral galaxy canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2706433 — 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 7318B is a spiral galaxy Context triple: [Stephan's Quintet, memberGalaxyType, NGC 7318B is a spiral galaxy]
-
A.
NGC 1432
NGC 1432 is a reflection nebula in the constellation Taurus that is part of the Pleiades (Seven Sisters) star cluster.
-
B.
Pisces Dwarf Galaxy
The Pisces Dwarf Galaxy is a small, faint dwarf irregular galaxy in the Local Group that orbits the Triangulum Galaxy (M33).
-
C.
NGC 598
NGC 598 is the Triangulum Galaxy, a nearby spiral galaxy in the Local Group and one of the closest large galaxies to the Milky Way.
-
D.
M81 Group
The M81 Group is a nearby collection of galaxies in the constellation Ursa Major, dominated by the large spiral galaxy Messier 81 and known for its interacting members and active star formation.
-
E.
NGC 6822
NGC 6822 is a barred irregular dwarf galaxy located in the constellation Sagittarius and is one of the nearest and best-studied galaxies outside the Milky Way.
- 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 7318B is a spiral galaxy Target entity description: NGC 7318B is a spiral galaxy in the compact galaxy group Stephan's Quintet, notable for its high-speed collision and interaction with neighboring galaxies.
-
A.
NGC 1432
NGC 1432 is a reflection nebula in the constellation Taurus that is part of the Pleiades (Seven Sisters) star cluster.
-
B.
Pisces Dwarf Galaxy
The Pisces Dwarf Galaxy is a small, faint dwarf irregular galaxy in the Local Group that orbits the Triangulum Galaxy (M33).
-
C.
NGC 598
NGC 598 is the Triangulum Galaxy, a nearby spiral galaxy in the Local Group and one of the closest large galaxies to the Milky Way.
-
D.
M81 Group
The M81 Group is a nearby collection of galaxies in the constellation Ursa Major, dominated by the large spiral galaxy Messier 81 and known for its interacting members and active star formation.
-
E.
NGC 6822
NGC 6822 is a barred irregular dwarf galaxy located in the constellation Sagittarius and is one of the nearest and best-studied galaxies outside the Milky Way.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
galaxy
ⓘ
spiral galaxy ⓘ |
| catalogCode | NGC 7318B ⓘ |
| discoveredBy | Édouard Stephan ⓘ |
| hasContext | prototype system for studying high-speed galaxy collisions ⓘ |
| hasEffectOn | large-scale shock front in Stephan's Quintet ⓘ |
| hasEnvironment | dense group environment ⓘ |
| hasGasComponent | interstellar medium strongly affected by collision ⓘ |
| hasInteractionType |
galaxy–galaxy collision
ⓘ
ram-pressure interaction with intragroup gas ⓘ |
| hasMorphologicalType | spiral ⓘ |
| hasNotableFeature |
disturbed spiral structure due to interactions
ⓘ
high-speed collision with other galaxies in Stephan's Quintet ⓘ shock fronts in intergalactic medium ⓘ strong tidal interactions with neighboring galaxies ⓘ |
| hasPhysicalProcess |
shock heating of gas
ⓘ
star formation triggered by interactions ⓘ tidal stripping of gas and stars ⓘ |
| hasRole | intruder galaxy in Stephan's Quintet collision scenario ⓘ |
| interactsWith |
NGC 7317
ⓘ
NGC 7318B ⓘ
surface form:
NGC 7318A
NGC 7319 ⓘ NGC 7320 ⓘ |
| isComponentOf |
NGC 7318B
ⓘ
surface form:
NGC 7318 (pair of galaxies)
|
| isDifferentFrom |
NGC 7318B
ⓘ
surface form:
NGC 7318A
|
| isPartOfSystemWith |
NGC 7318B
ⓘ
surface form:
NGC 7318A
|
| locatedIn | constellation Pegasus ⓘ |
| memberOf |
Stephan's Quintet
ⓘ
Stephan's Quintet ⓘ
surface form:
compact galaxy group Stephan's Quintet
|
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ radio wavelengths ⓘ |
| partOf |
Stephan's Quintet
ⓘ
Stephan's Quintet intragroup medium environment ⓘ compact galaxy group ⓘ |
| redshift | non-zero (recessional velocity indicating cosmological distance) ⓘ |
| studiedBy |
Chandra X-ray Observatory
ⓘ
Hubble Space Telescope ⓘ Spitzer Space Telescope ⓘ |
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 7318B is a spiral galaxy Description of subject: NGC 7318B is a spiral galaxy in the compact galaxy group Stephan's Quintet, notable for its high-speed collision and interaction with neighboring galaxies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.