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gptkbp:instance_of
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gptkb:galaxy
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gptkbp:apparent_magnitude
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gptkb:12.5
approximately 12.5
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gptkbp:coordinates
|
RA 13h 05m 32.0s, Dec -27° 56' 00''
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gptkbp:depicted_in
|
best viewed in southern hemisphere
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gptkbp:diameter
|
approximately 100,000 light-years
approximately 50,000 light years
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gptkbp:discovered_by
|
gptkb:John_Herschel
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gptkbp:distance
|
approximately 60 million light-years
approximately 20 million light years
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gptkbp:exhibition
|
gptkb:New_General_Catalogue
New General Catalogue (NGC)
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gptkbp:features
|
prominent spiral arms
active star formation regions
central bulge
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gptkbp:has_luminosity
|
gptkb:SN_1994_I
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|
https://www.w3.org/2000/01/rdf-schema#label
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NGC 4955
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gptkbp:interacts_with
|
possible interaction with nearby galaxies
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gptkbp:is_observed_in
|
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
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gptkbp:lighting
|
moderately bright
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gptkbp:located_in
|
gptkb:Hydra_constellation
constellation Centaurus
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gptkbp:mass
|
approximately 10^11 solar masses
old and young stars
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gptkbp:members
|
Hydra I Group
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gptkbp:notable_feature
|
barred structure
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gptkbp:previous_name
|
gptkb:ESO_501-G_020
MCG -05-30-013
PGC 45383
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gptkbp:redshift
|
0.0034
0.0042
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gptkbp:research
|
photometry and spectroscopy available
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gptkbp:speed
|
approximately 1260 km/s
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gptkbp:type
|
gptkb:galaxy
|
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gptkbp:year
|
gptkb:1994
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gptkbp:year_created
|
1834
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gptkbp:bfsParent
|
gptkb:Virgo
gptkb:The_Coma_Cluster
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gptkbp:bfsLayer
|
4
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