Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
stellar association
|
| gptkbp:age |
around 5 million years
|
| gptkbp:associatedWith |
gptkb:Cygnus_constellation
|
| gptkbp:contains |
massive stars
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cygnus OB7
|
| gptkbp:includes |
gptkb:Cygnus_X-1
HD 227018 HD 227054 HD 227081 |
| gptkbp:length |
approximately 1,200 light years
|
| gptkbp:locatedIn |
Milky Way
|