Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:galaxy
|
| gptkbp:apparentMagnitude |
11.5
|
| gptkbp:catalogueNumber |
gptkb:NGC_4639
PGC 42741 UGC 7884 VCC 1943 |
| gptkbp:declination |
+13° 15′ 29″
|
| gptkbp:diameter |
~60,000 light-years
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
April 12, 1784
|
| gptkbp:distanceFromEarth |
72 million light-years
|
| gptkbp:hasActiveNucleus |
yes
|
| gptkbp:hasNucleus |
Seyfert 1
|
| gptkbp:hasSupernova |
SN 1990N
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 4639
|
| gptkbp:locatedIn |
gptkb:Virgo_constellation
|
| gptkbp:morphologicalType |
SAB(rs)bc
|
| gptkbp:partOf |
gptkb:Virgo_Cluster
|
| gptkbp:redshift |
0.003395
|
| gptkbp:rightAscension |
12h 42m 52.4s
|
| gptkbp:bfsParent |
gptkb:Virgo_I_Cluster
|
| gptkbp:bfsLayer |
7
|