Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
ring galaxy
|
| gptkbp:alternativeName |
Hoag Object
PGC 54559 |
| gptkbp:apparentMagnitude |
16.0
|
| gptkbp:catalogueNumber |
PGC 54559
|
| gptkbp:contains |
old yellow nucleus
young blue stars in ring |
| gptkbp:diameter |
~120,000 light-years
|
| gptkbp:discoveredBy |
Arthur Hoag
|
| gptkbp:discoveredIn |
1950
|
| gptkbp:distanceFromEarth |
~600 million light-years
|
| gptkbp:hasCentralCore |
yes
|
| gptkbp:hasNoBar |
true
|
| gptkbp:hasNoSpiralArms |
true
|
| gptkbp:hasOuterRing |
yes
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hoag's Object
|
| gptkbp:locatedIn |
constellation Serpens
|
| gptkbp:notableFeature |
nearly perfect ring structure
unknown formation mechanism |
| gptkbp:photographed |
gptkb:Hubble_Space_Telescope
|
| gptkbp:redshift |
z=0.041
|
| gptkbp:bfsParent |
gptkb:Garrett_Hoag
gptkb:William_Hoag |
| gptkbp:bfsLayer |
8
|