|
gptkbp:instanceOf
|
gptkb:planetary_nebula
|
|
gptkbp:age
|
about 9,800 years
|
|
gptkbp:alsoKnownAs
|
gptkb:Dumbbell_Nebula
gptkb:M27
|
|
gptkbp:angularSize
|
8.0 × 5.7 arcminutes
|
|
gptkbp:apparentMagnitude
|
13.5
7.5
|
|
gptkbp:bestViewedIn
|
summer months
|
|
gptkbp:catalogueNumber
|
gptkb:NGC_6853
|
|
gptkbp:centralStarTemperature
|
85,000 K
|
|
gptkbp:centralStarType
|
white dwarf
|
|
gptkbp:contains
|
ionized gas
|
|
gptkbp:declination
|
+22° 43′ 16.09″
|
|
gptkbp:discoveredBy
|
gptkb:Charles_Messier
|
|
gptkbp:discoveredIn
|
1764
|
|
gptkbp:distanceFromEarth
|
about 1,360 light-years
|
|
gptkbp:emits
|
gptkb:X-rays
gptkb:radio_waves
infrared radiation
visible light
|
|
gptkbp:expansion
|
31 km/s
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 27
|
|
gptkbp:locatedIn
|
constellation Vulpecula
|
|
gptkbp:notableFor
|
first planetary nebula discovered
|
|
gptkbp:observedBy
|
amateur astronomers
|
|
gptkbp:partOf
|
gptkb:Messier_Catalogue
gptkb:New_General_Catalogue
|
|
gptkbp:rightAscension
|
19h 59m 36.340s
|
|
gptkbp:shape
|
dumbbell-shaped
|
|
gptkbp:bfsParent
|
gptkb:Charles_Messier
|
|
gptkbp:bfsLayer
|
6
|