Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:alsoKnownAs |
gptkb:HD_199579
V2119 Cygni |
| gptkbp:apparentMagnitude |
5.97
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:declination |
+47° 25′ 08″
|
| gptkbp:diameter |
~10 solar radii
|
| gptkbp:distanceFromEarth |
~1,200 light years
|
| gptkbp:luminosity |
~400,000 times Sun
|
| gptkbp:mass |
~30 solar masses
|
| gptkbp:parallax |
2.67 mas
|
| gptkbp:properMotionRA |
-2.13 mas/yr
|
| gptkbp:radialVelocity |
-15 km/s
|
| gptkbp:rightAscension |
20h 55m 48.9s
|
| gptkbp:spectralType |
O6.5V((f))z
|
| gptkbp:temperature |
~39,000 K
|
| gptkbp:variableType |
gptkb:Beta_Cephei_variable
|
| gptkbp:bfsParent |
gptkb:HIP_104217
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
HR 8075
|