Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
OB association
|
| gptkbp:contains |
gptkb:B-type_stars
gptkb:O-type_stars massive stars |
| gptkbp:discoveredIn |
20th century
|
| gptkbp:distanceFromEarth |
~5000 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cygnus OB4 association
|
| gptkbp:locatedIn |
gptkb:Cygnus_constellation
|
| gptkbp:notableFor |
star formation region
|
| gptkbp:partOf |
gptkb:Cygnus_OB_associations
|
| gptkbp:bfsParent |
gptkb:Constellation_Cygnus
|
| gptkbp:bfsLayer |
7
|