Statements (22)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:star
|
gptkbp:alternativeName |
gptkb:P_Cygni
|
gptkbp:apparentMagnitude |
4.8
|
gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
|
gptkbp:constellation |
gptkb:Cygnus
|
gptkbp:declination |
+38° 01′ 58″
|
gptkbp:diameter |
76 solar radii
|
gptkbp:discoveredBy |
gptkb:Johannes_Holwarda
|
gptkbp:discoveredIn |
1600
|
gptkbp:distanceFromEarth |
5900 light years
|
gptkbp:hasStellarWind |
yes
|
https://www.w3.org/2000/01/rdf-schema#label |
HD 193237
|
gptkbp:luminosity |
560,000 times Sun
|
gptkbp:mass |
30 solar masses
|
gptkbp:notableFor |
prototype of P Cygni profile
|
gptkbp:rightAscension |
20h 17m 47.2s
|
gptkbp:spectralType |
gptkb:B2pe
|
gptkbp:temperature |
18,700 K
|
gptkbp:variableType |
LBV (Luminous Blue Variable)
|
gptkbp:bfsParent |
gptkb:HR_7796
gptkb:P_Cygni |
gptkbp:bfsLayer |
7
|