Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:Saturn_Nebula
|
| gptkbp:angularSize |
25″ × 17″
|
| gptkbp:apparentMagnitude |
8.0
|
| gptkbp:catalogue |
gptkb:New_General_Catalogue
|
| gptkbp:centralStarType |
white dwarf
|
| gptkbp:constellation |
Aquarius
|
| gptkbp:declination |
-11° 21′ 48″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
September 7, 1782
|
| gptkbp:distanceFromEarth |
~5,000 light-years
~7,000 parsecs |
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:hasEmissionLines |
gptkb:NII
gptkb:H-alpha OIII |
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 7009
|
| gptkbp:locatedIn |
gptkb:Milky_Way
|
| gptkbp:notableBuilding |
ansae (handles)
|
| gptkbp:notableFeature |
Saturn-like appearance
|
| gptkbp:rightAscension |
21h 04m 10.8s
|
| gptkbp:shape |
elliptical
|
| gptkbp:bfsParent |
gptkb:constellation_Aquarius
gptkb:NGC_Catalogue gptkb:New_General_Catalogue |
| gptkbp:bfsLayer |
6
|