Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:galaxy
|
| gptkbp:alsoKnownAs |
gptkb:Messier_99
gptkb:NGC_4254 |
| gptkbp:apparentMagnitude |
9.9
|
| gptkbp:cataloguedIn |
gptkb:Messier_Catalogue
gptkb:New_General_Catalogue |
| gptkbp:declination |
+14° 24′ 59″
|
| gptkbp:diameter |
about 85,000 light-years
|
| gptkbp:discoveredBy |
gptkb:Pierre_Méchain
|
| gptkbp:discoveredIn |
1781
|
| gptkbp:distanceFromEarth |
about 49 million light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
M99
|
| gptkbp:locatedIn |
gptkb:constellation_Coma_Berenices
|
| gptkbp:notableFeature |
one arm is more prominent than the others
|
| gptkbp:partOf |
gptkb:Virgo_Cluster
|
| gptkbp:redshift |
0.008034
|
| gptkbp:rightAscension |
12h 18m 49.6s
|
| gptkbp:supernovaeObserved |
gptkb:SN_1967H
gptkb:SN_1972Q gptkb:SN_1986I |
| gptkbp:type |
unbarred spiral galaxy
|
| gptkbp:bfsParent |
gptkb:Messier_marathon
gptkb:Messier_99 gptkb:40_mm_Bofors_autocannon gptkb:.50_Browning_Machine_Gun gptkb:etorphine |
| gptkbp:bfsLayer |
7
|