Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:NGC_6543
|
| gptkbp:apparentMagnitude |
8.1
|
| gptkbp:catalogueNumber |
gptkb:NGC_6543
gptkb:Caldwell_6 |
| gptkbp:centralStarType |
gptkb:Wolf–Rayet_type
|
| gptkbp:declination |
+66° 37′ 59″
|
| gptkbp:diameter |
~0.4 light-years
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1786
|
| gptkbp:distanceFromEarth |
~3,300 light-years
|
| gptkbp:expansion |
~16 km/s
|
| gptkbp:hasUnit |
light-year
|
| gptkbp:locatedIn |
constellation Draco
|
| gptkbp:notableFor |
complex structure
multiple shells bright central region |
| gptkbp:partOf |
gptkb:Milky_Way_Galaxy
|
| gptkbp:photographed |
gptkb:Hubble_Space_Telescope
|
| gptkbp:rightAscension |
17h 58m 33.4s
|
| gptkbp:shape |
spherical with concentric shells
|
| gptkbp:spectralType |
O7+WR
|
| gptkbp:bfsParent |
gptkb:The_Draco
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cat's Eye Nebula
|