Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:galaxy
|
| gptkbp:alternativeName |
gptkb:Arp_28
gptkb:PGC_72251 gptkb:UGC_12759 |
| gptkbp:apparentMagnitude |
11.0
|
| gptkbp:catalogue |
gptkb:New_General_Catalogue
|
| gptkbp:constellation |
gptkb:Pegasus
|
| gptkbp:declination |
+24° 19′ 23″
|
| gptkbp:diameter |
about 60,000 light-years
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
September 10, 1784
|
| gptkbp:distance |
72 million light-years
|
| gptkbp:galaxyType |
SA(r)b
|
| gptkbp:hasSupermassiveBlackHole |
yes
|
| gptkbp:isInGroupOrCluster |
gptkb:NGC_7742_Group
|
| gptkbp:notableFeature |
face-on spiral galaxy
has a prominent ring structure |
| gptkbp:redshift |
0.00585
|
| gptkbp:rightAscension |
23h 44m 15.8s
|
| gptkbp:bfsParent |
gptkb:Pegasus_constellation
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 7742
|