Stephan's Quintet

E59351
compact galaxy group galaxy group

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.

Jump to: Surface forms Statements Referenced by

Observed surface forms (2)

Surface form Occurrences
NGC 7318A 2
NGC 7318B 1

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 (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Stephan's Quintet → hasNGCDesignation → Stephan's Quintet self-linksurface differs ⓘ
this entity surface form: NGC 7318A
Stephan's Quintet → hasNGCDesignation → Stephan's Quintet self-linksurface differs ⓘ
this entity surface form: NGC 7318B
Stephan's Quintet → redshiftGroupMembers → Stephan's Quintet self-linksurface differs ⓘ
this entity surface form: NGC 7318A