Stephan's Quintet
E59351
Stephan's Quintet is a visually striking compact group of five galaxies in the constellation Pegasus, famous for their complex gravitational interactions and dramatic appearance in astronomical imagery.
All labels observed (10)
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
compact galaxy group
ⓘ
galaxy group ⓘ |
| alsoKnownAs |
HCG 92
ⓘ
Hickson Compact Group 92 ⓘ |
| cataloguedIn | Hickson Compact Group catalogue ⓘ |
| discoveredBy | Édouard Stephan ⓘ |
| discoveryYear | 1877 ⓘ |
| foregroundGalaxy | NGC 7320 ⓘ |
| foregroundGalaxyDistance | about 40 million light-years ⓘ |
| hasAngularSize | about 4 arcminutes ⓘ |
| hasApproximateDistance | about 290 million light-years ⓘ |
| hasEnvironment | dense intragroup medium ⓘ |
| hasNGCDesignation |
NGC 7317
ⓘ
Stephan's Quintet self-linksurface differs ⓘ
surface form:
NGC 7318A
Stephan's Quintet self-linksurface differs ⓘ
surface form:
NGC 7318B
NGC 7319 ⓘ NGC 7320 ⓘ |
| hasNotableFeature |
complex intergalactic gas structures
ⓘ
large-scale shock front in the intragroup medium ⓘ prominent tidal tails ⓘ regions of intense star formation ⓘ strong gravitational interactions between member galaxies ⓘ |
| hasSpectralFeature | strong emission lines from shocked gas ⓘ |
| isFamousFor |
dramatic appearance in astronomical imagery
ⓘ
evidence of galaxy collisions and mergers ⓘ |
| isPrototypeOf | compact galaxy groups ⓘ |
| locatedInConstellation | Pegasus ⓘ |
| memberGalaxyType |
NGC 7317 is an elliptical galaxy
ⓘ
NGC 7318A is an elliptical galaxy ⓘ NGC 7318B is a spiral galaxy ⓘ NGC 7319 is a barred spiral galaxy ⓘ NGC 7320 is a spiral galaxy ⓘ |
| observedByTelescope |
Chandra X-ray Observatory
ⓘ
Hubble Space Telescope ⓘ James Webb Space Telescope ⓘ Spitzer Space Telescope ⓘ |
| observedInWavelength |
X-ray
ⓘ
infrared ⓘ optical ⓘ radio ⓘ |
| redshiftGroupMembers |
NGC 7317
ⓘ
Stephan's Quintet self-linksurface differs ⓘ
surface form:
NGC 7318A
NGC 7318B ⓘ NGC 7319 ⓘ |
| usedForStudyOf |
galaxy interactions
ⓘ
intergalactic medium ⓘ shock physics in astrophysical plasmas ⓘ starburst activity ⓘ |
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
NGC 7318A
this entity surface form:
NGC 7318B
this entity surface form:
NGC 7318A
subject surface form:
NGC 7317
subject surface form:
NGC 7317
this entity surface form:
Stephan's Quintet core group
subject surface form:
NGC 7318A
subject surface form:
NGC 7318A
subject surface form:
NGC 7318B
subject surface form:
NGC 7318B
subject surface form:
NGC 7318B
this entity surface form:
compact galaxy group Stephan's Quintet
subject surface form:
NGC 7319
subject surface form:
NGC 7319
subject surface form:
NGC 7320
subject surface form:
NGC 7320
this entity surface form:
Stephan's Quintet main group
this entity surface form:
Stephan's Quintet compact galaxy group