|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:apparent_magnitude
|
9.6
|
|
gptkbp:body_shape
|
gptkb:active_galactic_nucleus
|
|
gptkbp:contains_star
|
ongoing star formation
NGC 4818
|
|
gptkbp:coordinates
|
12h 56m 43.6s, +14° 24′ 59″
|
|
gptkbp:diameter
|
approximately 100,000 light-years
approximately 50,000 light-years
|
|
gptkbp:discovered_by
|
gptkb:William_Herschel
gptkb:Heinrich_Louis_d'_Arrest
|
|
gptkbp:discovery_year
|
1786
1864
|
|
gptkbp:distance_from_earth
|
approximately 17 million light-years
|
|
gptkbp:features
|
a prominent central bulge
|
|
gptkbp:has_color
|
B-V = 0.8
|
|
gptkbp:has_features
|
SA(s)bc
|
|
gptkbp:has_supernova
|
observed supernova SN 2010jl
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 4826
|
|
gptkbp:is_part_of
|
gptkb:Virgo_Cluster
|
|
gptkbp:is_visible_from
|
with amateur telescopes
|
|
gptkbp:known_as
|
gptkb:Messier_82
|
|
gptkbp:lighting
|
approximately 22.5 mag/arcsec²
|
|
gptkbp:located_in
|
gptkb:Virgo_constellation
|
|
gptkbp:mass
|
approximately 100 billion solar masses
|
|
gptkbp:notable_galaxies
|
SB(s)bc
|
|
gptkbp:redshift
|
0.0034
|
|
gptkbp:type
|
gptkb:spiral_galaxy
|
|
gptkbp:bfsParent
|
gptkb:Virgo
gptkb:Virgo_Supercluster
|
|
gptkbp:bfsLayer
|
5
|