Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
4.95
|
| gptkbp:catalogue |
gptkb:Bayer_designation
gptkb:Henry_Draper_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:declination |
+36° 44′ 41″
|
| gptkbp:diameter |
~60 solar radii
|
| gptkbp:discoveredBy |
gptkb:John_Flamsteed
|
| gptkbp:distanceFromEarth |
~2,000 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Bayer 2502
|
| gptkbp:luminosity |
~340,000 times Sun
|
| gptkbp:mass |
~20 solar masses
|
| gptkbp:otherName |
gptkb:HD_193237
gptkb:HR_7763 |
| gptkbp:rightAscension |
20h 17m 08.8s
|
| gptkbp:spectralType |
B2.5Ia
|
| gptkbp:temperature |
~18,000 K
|
| gptkbp:variableType |
gptkb:Alpha_Cygni_variable
|
| gptkbp:bfsParent |
gptkb:nifurtimox
|
| gptkbp:bfsLayer |
7
|