Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:age |
about 14 million years
|
| gptkbp:angularSize |
30 arcminutes
|
| gptkbp:apparentMagnitude |
6.1
|
| gptkbp:bestViewedIn |
gptkb:Northern_Hemisphere
|
| gptkbp:catalogue |
gptkb:New_General_Catalogue
|
| gptkbp:contains |
many blue supergiant stars
|
| gptkbp:declination |
+57° 08′ 12″
|
| gptkbp:discoveredBy |
gptkb:Hipparchus
|
| gptkbp:discoveredIn |
2nd century BCE
|
| gptkbp:distanceFromEarth |
about 7,600 light-years
|
| gptkbp:hasViewOf |
astronomer
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 884
|
| gptkbp:locatedIn |
gptkb:Perseus_constellation
|
| gptkbp:mass |
several thousand solar masses
|
| gptkbp:neighboringMunicipality |
gptkb:NGC_869
|
| gptkbp:notableFor |
rich star field
|
| gptkbp:otherName |
gptkb:h_Persei
|
| gptkbp:partOf |
gptkb:Double_Cluster
|
| gptkbp:rightAscension |
02h 22m 18s
|
| gptkbp:spectralTypeDominant |
gptkb:B-type_stars
|
| gptkbp:bfsParent |
gptkb:NGC_Catalogue
gptkb:New_General_Catalogue gptkb:Perseus_Arm |
| gptkbp:bfsLayer |
6
|