Messier 108

URI: https://gptkb.org/entity/Messier_108
GPTKB entity
Statements (33)
Predicate Object
gptkbp:instanceOf gptkb:galaxy
astronomer
gptkbp:alternativeName gptkb:M108
gptkb:NGC_3556
gptkbp:apparentMagnitude 10.7
gptkbp:apparentShape cigar-shaped
gptkbp:apparentSize 8.7 × 2.5 arcminutes
gptkbp:catalogueNumber gptkb:NGC_3556
gptkbp:contains dust lanes
X-ray sources
neutral hydrogen gas
gptkbp:declination +55° 40′ 26″
gptkbp:discoveredBy gptkb:Pierre_Méchain
gptkbp:discoveredIn 1781
gptkbp:distanceFromEarth 45 million light-years
gptkbp:galaxyType gptkb:galaxy
gptkbp:hasActiveNucleus yes
gptkbp:hasInclination edge-on
gptkbp:hasUnit light-year
https://www.w3.org/2000/01/rdf-schema#label Messier 108
gptkbp:includedInCatalog gptkb:Messier_Catalogue
gptkb:New_General_Catalogue
gptkbp:locatedIn gptkb:Ursa_Major
gptkbp:morphologicalType SBbc
gptkbp:partOf gptkb:Virgo_Supercluster
gptkbp:radialVelocity 772 km/s
gptkbp:redshift 0.002522
gptkbp:rightAscension 11h 11m 31.1s
gptkbp:supernovaeObserved gptkb:SN_1969B
gptkb:SN_1998dm
gptkb:SN_2009H
gptkbp:bfsParent gptkb:Ursa_Major
gptkbp:bfsLayer 6