|
gptkbp:instance_of
|
gptkb:galaxy
gptkb:star
|
|
gptkbp:bfsLayer
|
4
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|
gptkbp:bfsParent
|
gptkb:Sculptor_Galaxy_Group
gptkb:Cetus
gptkb:NGC_253
gptkb:the_Sculptor_Galaxy
|
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gptkbp:age
|
approximately 1 billion years
|
|
gptkbp:apparent_magnitude
|
8.0
9.5
|
|
gptkbp:contains
|
young stars
star clusters
red giants
HII regions
|
|
gptkbp:declination
|
-20° 45' 0"
|
|
gptkbp:depicted_in
|
gptkb:physicist
the southern hemisphere
small telescopes
the autumn sky
|
|
gptkbp:diameter
|
approximately 30 light years
approximately 100,000 light years
|
|
gptkbp:discovered_by
|
gptkb:John_Herschel
|
|
gptkbp:distance
|
11 million light years
|
|
gptkbp:exhibition
|
gptkb:New_General_Catalogue
|
|
gptkbp:has_color
|
B-V = 0.5
B-V = 0.9
|
|
gptkbp:has_feature
|
SA(s)cd
|
|
gptkbp:has_luminosity
|
gptkb:SN_2010jl
gptkb:SN_2004dj
gptkb:SN_2008ha
gptkb:SN_2013ej
gptkb:SN_2019fif
|
|
gptkbp:has_spectral_type
|
various types
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 247
|
|
gptkbp:includes
|
Messier 77 region
|
|
gptkbp:is_associated_with
|
star formation regions
the galaxy NGC 253
the Sculptor constellation
|
|
gptkbp:is_known_for
|
its stellar population
its star density
|
|
gptkbp:is_located_near
|
gptkb:the_Milky_Way
gptkb:NGC_404
gptkb:the_Great_Attractor
gptkb:NGC_185
gptkb:NGC_2403
gptkb:NGC_253
gptkb:NGC_300
gptkb:NGC_55
|
|
gptkbp:is_noted_for
|
its bright stars
its blue stars
its variable stars
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
optical wavelengths
infrared wavelengths
ground-based telescopes
|
|
gptkbp:is_part_of
|
gptkb:the_Sculptor_Group
gptkb:NGC_247_group
gptkb:Local_Group
gptkb:the_Local_Group
the southern celestial hemisphere
the Local Supercluster
the NGC catalog
the NGC 247 group of galaxies
the NGC catalog of star clusters
|
|
gptkbp:is_studied_in
|
stellar dynamics
stellar evolution
galactic astronomy
its chemical composition
its luminosity distribution
|
|
gptkbp:lighting
|
23.5 mag/arcsec²
|
|
gptkbp:located_in
|
constellation Cetus
the southern sky
galactic coordinates (l, b) = (0°, -20°)
|
|
gptkbp:notable_for
|
its large size
its star clusters
|
|
gptkbp:part_of
|
gptkb:NGC_247_group
|
|
gptkbp:previous_name
|
Caldwell 62
|
|
gptkbp:redshift
|
0.0007
|
|
gptkbp:right_ascension
|
00h 47m 33.0s
00h 47m 33s
|
|
gptkbp:scientific_classification
|
a star-forming region
a loose cluster
a young cluster
|
|
gptkbp:type
|
gptkb:galaxy
gptkb:star
|
|
gptkbp:year_created
|
1834
|