Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:age |
21 million years
|
| gptkbp:apparentMagnitude |
6.4
|
| gptkbp:catalogue |
gptkb:New_General_Catalogue
|
| gptkbp:contains |
gptkb:HD_7902
gptkb:Phi_Cassiopeiae |
| gptkbp:declination |
+58° 20′ 00″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
August 18, 1787
|
| gptkbp:distanceFromEarth |
7900 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 457
|
| gptkbp:locatedIn |
constellation Cassiopeia
|
| gptkbp:otherName |
gptkb:Caldwell_13
gptkb:ET_Cluster gptkb:Owl_Cluster |
| gptkbp:rightAscension |
01h 19m 33s
|
| gptkbp:bfsParent |
gptkb:NGC_Catalogue
gptkb:New_General_Catalogue |
| gptkbp:bfsLayer |
6
|