Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
dwarf spheroidal galaxy
|
| gptkbp:alternativeName |
gptkb:Caldwell_21
gptkb:PGC_40973 gptkb:UGC_7592 |
| gptkbp:angularSize |
6.2 × 4.4 arcminutes
|
| gptkbp:apparentMagnitude |
9.4
|
| gptkbp:catalogue |
gptkb:New_General_Catalogue
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
April 27, 1788
|
| gptkbp:distanceFromEarth |
12.5 million light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 4449
|
| gptkbp:locatedIn |
constellation Canes Venatici
|
| gptkbp:morphologicalType |
IBm
|
| gptkbp:notableFeature |
contains young star clusters
irregular structure rich in H II regions |
| gptkbp:partOf |
gptkb:M94_Group
|
| gptkbp:radialVelocity |
207 km/s
|
| gptkbp:starFormationActivity |
gptkb:galaxy
|
| gptkbp:bfsParent |
gptkb:Local_Group
|
| gptkbp:bfsLayer |
6
|