|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:apparent_magnitude
|
10.5
|
|
gptkbp:body_style
|
gptkb:battle
|
|
gptkbp:contains
|
gptkb:battle
active
NGC 4946 A
NGC 4946 B
|
|
gptkbp:depicted_in
|
gptkb:battle
|
|
gptkbp:diameter
|
approximately 100,000 light-years
|
|
gptkbp:discovered_by
|
gptkb:John_Herschel
|
|
gptkbp:distance
|
approximately 4.5 million light-years
|
|
gptkbp:exhibition
|
gptkb:New_General_Catalogue
|
|
gptkbp:features
|
prominent dust lanes
|
|
gptkbp:foot
|
gptkb:battle
|
|
gptkbp:has_ahistory_of
|
gptkb:battle
|
|
gptkbp:has_color
|
B-V = 0.8
|
|
gptkbp:has_luminosity
|
gptkb:SN_1994_I
approximately 10^10 solar luminosities
SN 2008in
|
|
gptkbp:has_spectral_type
|
SAB(rs)bc
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 4946
|
|
gptkbp:includes
|
gptkb:Messier_catalog
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
optical wavelengths
radio wavelengths
infrared wavelengths
|
|
gptkbp:is_part_of
|
gptkb:Virgo_Supercluster
|
|
gptkbp:is_studied_in
|
gptkb:observatory
|
|
gptkbp:located_in
|
constellation Centaurus
|
|
gptkbp:mass
|
approximately 10^11 solar masses
|
|
gptkbp:members
|
gptkb:Centaurus_Group
|
|
gptkbp:mission
|
gptkb:battle
|
|
gptkbp:notable_models
|
NGC 4946 A
NGC 4946 B
|
|
gptkbp:photography
|
deep-sky imaging
|
|
gptkbp:propulsion
|
gptkb:battle
|
|
gptkbp:redshift
|
0.0015
|
|
gptkbp:research
|
galaxy formation
supernova studies
star formation processes
dark matter studies
galaxy evolution
galaxy interactions
|
|
gptkbp:type
|
gptkb:galaxy
|
|
gptkbp:year_created
|
1834
|
|
gptkbp:youth_club
|
gptkb:battle
|
|
gptkbp:bfsParent
|
gptkb:The_Coma_Cluster
|
|
gptkbp:bfsLayer
|
4
|