NGC 7172
E878259
NGC 7172 is a Seyfert 2 spiral galaxy located in the constellation Piscis Austrinus, notable for its active galactic nucleus and obscured central region.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Seyfert 2 galaxy
ⓘ
Seyfert galaxy ⓘ spiral galaxy ⓘ |
| AGNObscurationCause | torus and host-galaxy dust ⓘ |
| AGNType | type 2 ⓘ |
| apparentMagnitudeV | ≈11.9 ⓘ |
| apparentSize | ≈3.4 × 1.0 arcminutes ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| discoveredBy | John Herschel NERFINISHED ⓘ |
| discoveryYear | 1834 ⓘ |
| distanceFromEarth |
≈110 million light-years
ⓘ
≈34 Mpc ⓘ |
| emitsInWaveband |
X-ray
ⓘ
infrared ⓘ optical ⓘ |
| galacticLatitude | high inclination to line of sight ⓘ |
| hasActiveGalacticNucleus | true ⓘ |
| hasBar | possible weak bar ⓘ |
| hasDustLane | true ⓘ |
| hasDustObscuration | true ⓘ |
| hasObscuredNucleus | true ⓘ |
| hasStarFormation | moderate ⓘ |
| hasSupermassiveBlackHole | true ⓘ |
| hostEnvironment | field galaxy ⓘ |
| hostGalaxyType | early-type spiral ⓘ |
| locatedInConstellation | Piscis Austrinus NERFINISHED ⓘ |
| morphologicalType | Sa ⓘ |
| nuclearActivityDriver | accretion onto supermassive black hole ⓘ |
| nuclearRegion | heavily obscured ⓘ |
| observedBy |
Chandra X-ray Observatory
NERFINISHED
ⓘ
ESO telescopes NERFINISHED ⓘ Hubble Space Telescope NERFINISHED ⓘ XMM-Newton NERFINISHED ⓘ |
| orientation | edge-on ⓘ |
| otherDesignation |
2MASX J22020533-3159429
NERFINISHED
ⓘ
ESO 109- G 013 NERFINISHED ⓘ IRAS 21591-3214 NERFINISHED ⓘ MCG -05-52-005 NERFINISHED ⓘ PGC 67840 NERFINISHED ⓘ |
| partOf | local universe ⓘ |
| radialVelocity | ≈2600 km/s ⓘ |
| redshift | 0.0087 ⓘ |
| spectralFeatures |
obscured broad-line region
ⓘ
strong narrow emission lines ⓘ |
| XRaySource | true ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.