Statements (19)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:open_cluster | 
| gptkbp:alternativeName | gptkb:ESO_519-16 gptkb:GC_4412 gptkb:GCl_92 h 3752 | 
| gptkbp:angularSize | 2.8 arcminutes | 
| gptkbp:apparentMagnitude | 9.5 | 
| gptkbp:catalogue | gptkb:New_General_Catalogue | 
| gptkbp:declination | -25° 29′ 35″ | 
| gptkbp:discoveredBy | gptkb:William_Herschel | 
| gptkbp:discoveredIn | June 12, 1784 | 
| gptkbp:distanceFromEarth | 26,700 light-years | 
| gptkbp:galacticLatitude | l = 7.9°, b = -7.15° | 
| gptkbp:locatedIn | gptkb:constellation_Sagittarius | 
| gptkbp:metallicity | [Fe/H] ≈ -0.99 | 
| gptkbp:rightAscension | 18h 30m 56.2s | 
| gptkbp:bfsParent | gptkb:constellation_Sagittarius | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | NGC 6638 |