|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:bfsLayer
|
4
|
|
gptkbp:bfsParent
|
gptkb:Messier_catalog
|
|
gptkbp:apparent_magnitude
|
9.4
|
|
gptkbp:body_style
|
gptkb:battle
active nucleus
|
|
gptkbp:constellation
|
gptkb:SN_1998bu
|
|
gptkbp:contains
|
gptkb:NGC_4322
gptkb:battle
billions
NGC 4319
|
|
gptkbp:coordinates
|
RA 12h 22m 54.0s, Dec +15° 49′ 00″
|
|
gptkbp:depicted_in
|
gptkb:battle
northern hemisphere
|
|
gptkbp:diameter
|
approximately 130,000 light-years
|
|
gptkbp:discovered_by
|
gptkb:Pierre_Méchain
|
|
gptkbp:distance
|
approximately 45 million light-years
|
|
gptkbp:emergency_services
|
gptkb:battle
|
|
gptkbp:exhibition
|
gptkb:Messier_catalog
|
|
gptkbp:features
|
prominent dust lanes
|
|
gptkbp:first_appearance
|
1781
|
|
gptkbp:foot
|
gptkb:battle
|
|
gptkbp:has_collection
|
gptkb:theorem
|
|
gptkbp:has_color
|
B-V = 0.9
|
|
gptkbp:has_feature
|
gptkb:galaxy
|
|
gptkbp:has_luminosity
|
gptkb:SN_1991_T
approximately 1.5 times that of the Milky Way
SN 2006gy
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 100
|
|
gptkbp:includes
|
astronomical catalogs
|
|
gptkbp:inscription
|
two main spiral arms
|
|
gptkbp:is_known_for
|
gptkb:NGC_4321
|
|
gptkbp:is_observed_in
|
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
|
|
gptkbp:is_part_of
|
gptkb:Virgo_Cluster
large-scale structure of the universe
local supercluster
Messier 100 group
|
|
gptkbp:is_studied_in
|
gptkb:spacecraft
dark matter research
galaxy formation research
|
|
gptkbp:lighting
|
20.5 mag/arcsec²
|
|
gptkbp:located_in
|
gptkb:Virgo_constellation
RA 12h 22m 54s, Dec +15° 49′ 0″
|
|
gptkbp:mass
|
approximately 100 billion solar masses
|
|
gptkbp:members
|
Virgo III group
|
|
gptkbp:mission
|
gptkb:battle
|
|
gptkbp:notable_models
|
SAB(rs)bc
|
|
gptkbp:objective
|
gptkb:NGC_4321
|
|
gptkbp:photography
|
deep-sky photography
|
|
gptkbp:redshift
|
0.0047
0.0092
|
|
gptkbp:research
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:type
|
gptkb:galaxy
|
|
gptkbp:universe
|
gptkb:NGC_4322
|
|
gptkbp:year_created
|
1781
March 15, 1781
|