Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:double_open_cluster
|
| gptkbp:age |
about 14 million years
|
| gptkbp:alsoKnownAs |
gptkb:Double_Cluster
|
| gptkbp:angularSeparation |
about 30 arcminutes
|
| gptkbp:apparentMagnitude |
3.7
|
| gptkbp:bestViewedIn |
autumn
|
| gptkbp:cataloguedIn |
gptkb:Caldwell_14
|
| gptkbp:containsCluster |
gptkb:NGC_869
gptkb:NGC_884 |
| gptkbp:discoveredBy |
gptkb:Hipparchus
|
| gptkbp:distanceFromEarth |
about 7,500 light-years
|
| gptkbp:hasViewOf |
gptkb:Northern_Hemisphere
|
| gptkbp:locatedIn |
gptkb:Perseus_constellation
|
| gptkbp:notableFor |
rich in blue supergiant stars
|
| gptkbp:partOf |
gptkb:Milky_Way_galaxy
|
| gptkbp:bfsParent |
gptkb:Double_Cluster_region
gptkb:Double_Cluster |
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
h and χ Persei
|