|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:apparent_magnitude
|
9.5
|
|
gptkbp:contains
|
gptkb:NGC_4448
gptkb:NGC_4449-1
gptkb:NGC_4449-2
gptkb:NGC_4450
young stars
approximately 1.5 solar masses per year
NGC 4449-3
|
|
gptkbp:depicted_in
|
gptkb:physicist
northern hemisphere
|
|
gptkbp:diameter
|
approximately 30,000 light-years
|
|
gptkbp:discovered_by
|
gptkb:William_Herschel
|
|
gptkbp:distance
|
approximately 12 million light-years
|
|
gptkbp:features
|
star formation regions
|
|
gptkbp:has
|
HII regions
|
|
gptkbp:has_luminosity
|
gptkb:SN_2010jl
gptkb:SN_2014_C
gptkb:SN_2011dh
gptkb:SN_2008_S
|
|
gptkbp:has_spectral_type
|
irregular
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 4449
|
|
gptkbp:is_home_to
|
various nebulae
multiple open clusters
multiple globular clusters
|
|
gptkbp:is_known_for
|
its blue color
high star formation activity
its irregular shape
its low surface brightness
|
|
gptkbp:is_observed_in
|
optical wavelengths
radio wavelengths
infrared wavelengths
|
|
gptkbp:is_part_of
|
gptkb:Local_Group
gptkb:NGC_4449_group
gptkb:Virgo_Supercluster
|
|
gptkbp:is_studied_in
|
gptkb:spacecraft
gptkb:observatory
gptkb:nebula
galaxy formation
stellar evolution
|
|
gptkbp:located_in
|
constellation Canes Venatici
|
|
gptkbp:mass
|
approximately 10 billion solar masses
|
|
gptkbp:metallicity
|
subsolar metallicity
|
|
gptkbp:redshift
|
0.0009
|
|
gptkbp:type
|
gptkb:galaxy
|
|
gptkbp:year_created
|
1783
|
|
gptkbp:bfsParent
|
gptkb:Local_Group
gptkb:Canes_Venatici
|
|
gptkbp:bfsLayer
|
4
|