Messier 91

GPTKB entity

Properties (22)
Predicate Object
gptkbp:instanceOf galaxy
gptkbp:associatedWith gptkb:Virgo_Cluster
gptkbp:colors 0.0031
gptkbp:contains active galactic nucleus
gptkbp:diameter approximately 100,000 light-years
gptkbp:established gptkb:Marcelin_Berthelot
gptkbp:exhibits Messier catalog
gptkbp:features barred structure
gptkbp:has star formation regions
multiple spiral arms
bright core
gptkbp:hasRecognition 11.0
https://www.w3.org/2000/01/rdf-schema#label Messier 91
gptkbp:is one of the Messier objects.
gptkbp:isAccessibleBy gptkb:Earth
gptkbp:isPartOf Virgo Supercluster
gptkbp:length approximately 38 million light-years
gptkbp:locatedIn gptkb:Virgo_constellation
gptkbp:previouslyKnownAs NGC 4548
gptkbp:releaseYear 1781
gptkbp:type spiral galaxy
gptkbp:visitedBy gptkb:Hubble_Space_Telescope