Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
9.37
|
| gptkbp:catalogue |
gptkb:Bonner_Durchmusterung
|
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:declination |
+42° 36′ 02.6″
|
| gptkbp:diameter |
60 solar radii
|
| gptkbp:discoveredBy |
gptkb:Friedrich_Wilhelm_Argelander
|
| gptkbp:distanceFromEarth |
6000 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
BD+42 4842
|
| gptkbp:luminosity |
630,000 times Sun
|
| gptkbp:mass |
19 solar masses
|
| gptkbp:otherDesignation |
2MASS J20184645+4236026
V2011 Cygni |
| gptkbp:parallax |
0.54 mas
|
| gptkbp:rightAscension |
20h 18m 46.45s
|
| gptkbp:spectralType |
B1Ia
|
| gptkbp:temperature |
18,000 K
|
| gptkbp:variableType |
gptkb:Alpha_Cygni_variable
|
| gptkbp:bfsParent |
gptkb:HD_224935
|
| gptkbp:bfsLayer |
7
|