Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:galaxy
|
| gptkbp:alsoKnownAs |
gptkb:Messier_106
|
| gptkbp:apparentMagnitude |
8.4
|
| gptkbp:catalogueNumber |
gptkb:Messier_106
gptkb:NGC_4258 PGC 39600 UGC 7353 |
| gptkbp:declination |
+47° 18′ 14″
|
| gptkbp:diameter |
~135,000 light-years
|
| gptkbp:discoveredBy |
gptkb:Pierre_Méchain
|
| gptkbp:discoveredIn |
1781
|
| gptkbp:distanceFromEarth |
22 to 25 million light-years
|
| gptkbp:hasActiveNucleus |
Yes
|
| gptkbp:hasSupermassiveBlackHole |
~39 million solar masses
|
| gptkbp:hasViewOf |
gptkb:Northern_Hemisphere
|
| https://www.w3.org/2000/01/rdf-schema#label |
C106 (NGC 4258)
|
| gptkbp:HubbleType |
SABbc
|
| gptkbp:inclination |
72°
|
| gptkbp:locatedIn |
gptkb:Canes_Venatici
|
| gptkbp:morphologicalType |
SABbc
|
| gptkbp:notableFeature |
water megamaser
anomalous arms |
| gptkbp:notableFor |
precise distance measurement using masers
|
| gptkbp:partOf |
gptkb:Canes_Venatici_II_Group
|
| gptkbp:radialVelocity |
448 km/s
|
| gptkbp:redshift |
0.001494
|
| gptkbp:rightAscension |
12h 18m 57.5s
|
| gptkbp:bfsParent |
gptkb:Caldwell_catalogue
|
| gptkbp:bfsLayer |
6
|