Statements (21)
| 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
|
| 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:P_Cygni
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
HD 193237
|