Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:galaxy
|
| gptkbp:alsoKnownAs |
gptkb:NGC_3031
gptkb:Messier_81 |
| gptkbp:apparentMagnitude |
6.94
|
| gptkbp:cataloguedIn |
gptkb:Charles_Messier
|
| gptkbp:catalogueNumber |
gptkb:NGC_3031
gptkb:Messier_81 |
| gptkbp:contains |
black hole
|
| gptkbp:declination |
+69° 03′ 55″
|
| gptkbp:diameter |
about 90,000 light-years
|
| gptkbp:discoveredBy |
gptkb:Johann_Elert_Bode
|
| gptkbp:discoveredIn |
1774
|
| gptkbp:distanceFromEarth |
about 12 million light-years
|
| gptkbp:galacticLatitude |
l = 142.09°, b = 40.90°
|
| gptkbp:hasCompanion |
gptkb:NGC_3077
gptkb:M-82 |
| gptkbp:hasSupernova |
gptkb:SN_1993J
|
| gptkbp:hasViewOf |
astronomer
|
| https://www.w3.org/2000/01/rdf-schema#label |
M-81
|
| gptkbp:locatedIn |
constellation Ursa Major
|
| gptkbp:notableFor |
brightest galaxy in Ursa Major
|
| gptkbp:partOf |
gptkb:M81_Group
|
| gptkbp:redshift |
-0.000113
|
| gptkbp:rightAscension |
09h 55m 33.2s
|
| gptkbp:supernovaDiscoveryYear |
1993
|
| gptkbp:type |
SA(s)ab
|
| gptkbp:bfsParent |
gptkb:Tuscola_County,_Michigan
|
| gptkbp:bfsLayer |
8
|