Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
dwarf spheroidal galaxy
|
| gptkbp:alternativeName |
And XXI
|
| gptkbp:apparentMagnitude |
15.5
|
| gptkbp:declination |
+42° 28′ 15″
|
| gptkbp:discoveredBy |
Martin et al.
|
| gptkbp:discoveredIn |
2009
|
| gptkbp:distanceFromEarth |
130 kpc
859 kpc |
| gptkbp:hasSatelliteCraters |
gptkb:Andromeda_Galaxy
|
| https://www.w3.org/2000/01/rdf-schema#label |
Andromeda XXI
|
| gptkbp:locatedIn |
gptkb:Andromeda_constellation
|
| gptkbp:memberOf |
gptkb:Local_Group
|
| gptkbp:rightAscension |
23h 54m 47.7s
|
| gptkbp:type |
dSph
|
| gptkbp:bfsParent |
gptkb:Andromeda_Galaxy
gptkb:Local_Group gptkb:Andromeda_galaxy |
| gptkbp:bfsLayer |
6
|