planetary nebula NGC 6210
E922162
Planetary nebula NGC 6210 is a bright, compact, and irregularly shaped planetary nebula located in the constellation Hercules, notable for its complex structure and strong emission lines.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| NGC 6210 | 0 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
emission nebula
ⓘ
planetary nebula ⓘ |
| angularSize | ~0.33 arcminutes ⓘ |
| apparentMagnitude | ~8.8 ⓘ |
| bestSeenFrom | Northern Hemisphere NERFINISHED ⓘ |
| bestViewingSeason | northern summer ⓘ |
| catalog | NGC NERFINISHED ⓘ |
| centralStar | hot white dwarf ⓘ |
| centralStarEffectiveTemperature | > 50,000 K (approx) ⓘ |
| constellation | Hercules NERFINISHED ⓘ |
| declination | +23° 47′ 59″ (approx) ⓘ |
| discoveredBy | Friedrich Georg Wilhelm Struve NERFINISHED ⓘ |
| discoveryMethod | telescopic observation ⓘ |
| discoveryYear | 1825 ⓘ |
| distanceFromEarth |
~2 kiloparsecs (approx)
ⓘ
~6500 light-years (approx) ⓘ |
| evolutionaryStage | late stage of low- to intermediate-mass star ⓘ |
| formationMechanism | ejected outer layers of dying star ⓘ |
| galacticLatitude | +37.7° (approx) ⓘ |
| galacticLongitude | 43.1° (approx) ⓘ |
| hemisphere | northern sky ⓘ |
| ionizationSource | ultraviolet radiation from central star ⓘ |
| locatedIn | Milky Way ⓘ |
| morphology |
compact
ⓘ
complex structure ⓘ irregular ⓘ |
| notableFeature |
bright inner shell
ⓘ
fainter outer envelope ⓘ strong emission lines ⓘ |
| observationalClass | bright planetary nebula ⓘ |
| observedIn |
optical wavelengths
ⓘ
radio wavelengths ⓘ ultraviolet wavelengths ⓘ |
| otherDesignation |
BD+23 2983 (central star)
NERFINISHED
ⓘ
PK 43+37.1 NERFINISHED ⓘ PNG 043.1+37.7 NERFINISHED ⓘ |
| rightAscension | 16h 44m 29s (approx) ⓘ |
| spectralLine |
H-alpha
ⓘ
He II ⓘ [O III] 5007 Å ⓘ |
| spectralType | strong [O III] emission ⓘ |
| structure |
filaments and knots
ⓘ
inner bright elliptical shell ⓘ outer irregular halo ⓘ |
| surfaceBrightness | high ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.