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
|
https://www.w3.org/2000/01/rdf-schema#label |
Cat's Eye Nebula
|
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:Draco
|
gptkbp:bfsLayer |
5
|