Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
variable star |
| gptkbp:apparentMagnitude |
4.8
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:declination |
+38° 01′ 58″
|
| gptkbp:diameter |
76 solar radii
|
| gptkbp:discoveredBy |
gptkb:Willem_Janszoon_Blaeu
|
| gptkbp:discoveredIn |
1600
|
| gptkbp:distanceFromEarth |
5900 light years
|
| gptkbp:hasNebula |
gptkb:P_Cygni_Nebula
|
| gptkbp:hasWindVelocity |
185 km/s
|
| https://www.w3.org/2000/01/rdf-schema#label |
P Cyg
|
| gptkbp:luminosity |
560,000 times Sun
|
| gptkbp:mass |
30 solar masses
|
| gptkbp:notableFor |
P Cygni profile
|
| gptkbp:otherDesignation |
gptkb:BD+37_3871
gptkb:HD_193237 gptkb:HIP_100044 gptkb:HR_7763 gptkb:2MASS_J20174721+3801575 gptkb:SAO_69773 |
| gptkbp:rightAscension |
20h 17m 47.2s
|
| gptkbp:spectralType |
B1Ia+
|
| gptkbp:temperature |
18,700 K
|
| gptkbp:variableType |
gptkb:LBV_(luminous_blue_variable)
|
| gptkbp:bfsParent |
gptkb:P_Cygni
|
| gptkbp:bfsLayer |
7
|