Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:age |
20–25 million years
|
| gptkbp:angularSize |
16′
|
| gptkbp:apparentMagnitude |
7.1
|
| gptkbp:catalogue |
gptkb:NGC
|
| gptkbp:constellation |
gptkb:Cassiopeia
|
| gptkbp:contains |
gptkb:Be_stars
|
| gptkbp:declination |
+61° 15′ 00″
|
| gptkbp:discoveredBy |
gptkb:Caroline_Herschel
|
| gptkbp:discoveredIn |
1783
|
| gptkbp:distanceFromEarth |
6,850 light-years
|
| gptkbp:epoch |
gptkb:J2000
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 663
|
| gptkbp:locatedIn |
gptkb:Cassiopeia
|
| gptkbp:mass |
~4,600 solar masses
|
| gptkbp:otherDesignation |
gptkb:Caldwell_10
|
| gptkbp:partOf |
gptkb:Perseus_Arm
|
| gptkbp:rating |
~400
|
| gptkbp:rightAscension |
01h 46m 00s
|
| gptkbp:bfsParent |
gptkb:Cassiopée
gptkb:Cassiopeia gptkb:Cassiopeia_constellation |
| gptkbp:bfsLayer |
7
|