|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:apparent_magnitude
|
7.2
7.6
|
|
gptkbp:associated_with
|
gptkb:Sculptor_Group
|
|
gptkbp:body_shape
|
yes
active nucleus
|
|
gptkbp:constellation
|
gptkb:sculpture
|
|
gptkbp:contains
|
gptkb:supernova_remnants
starburst region
|
|
gptkbp:contains_star
|
gptkb:NGC_253_A
gptkb:NGC_253_B
gptkb:NGC_253_C
gptkb:NGC_247
2.5 solar masses per year
NGC 253-1
NGC 253-2
NGC 253-3
NGC 253-4
NGC 253-5
|
|
gptkbp:coordinates
|
00h 47m 33.1s, -25° 17′ 17″
RA 00h 47m 33.1s, Dec -25° 17' 17"
|
|
gptkbp:dark_matter_halo
|
present
|
|
gptkbp:declination
|
-25° 17' 17"
|
|
gptkbp:diameter
|
approximately 70,000 light-years
70,000 light years
|
|
gptkbp:discovered_by
|
gptkb:Caroline_Herschel
Carlo Emilio Bonifazio Rea
Carlo Emilio Bonifazio Morichini
|
|
gptkbp:discovery_year
|
1771
1783
|
|
gptkbp:distance_from_earth
|
11.4 million light-years
11.4 million light years
approximately 11.4 million light-years
|
|
gptkbp:distance_modulus
|
27.5
|
|
gptkbp:emissions_standard
|
detected
|
|
gptkbp:environment
|
field galaxy
|
|
gptkbp:exhibition
|
gptkb:New_General_Catalogue
|
|
gptkbp:features
|
gptkb:active_galactic_nucleus
gptkb:supernova_remnants
starburst region
|
|
gptkbp:galaxy_morphology
|
barred spiral galaxy
|
|
gptkbp:gas_content
|
high molecular gas content
|
|
gptkbp:has
|
gptkb:active_galactic_nucleus
|
|
gptkbp:has_ahistory_of
|
yes
|
|
gptkbp:has_color
|
B-V = 0.9
U-B = -0.2
H-K = 0.2
J-H = 0.3
K-L = 0.1
R-I = 0.5
V-I = 1.2
|
|
gptkbp:has_features
|
late-type galaxy
SA(s)c
|
|
gptkbp:has_game
|
gptkb:NGC_253
|
|
gptkbp:has_luminosity
|
1.5 x 10^10 L☉
|
|
gptkbp:has_spectral_type
|
SAB(rs)bc
Sbc
|
|
gptkbp:has_supernova
|
gptkb:SN_2010jl
gptkb:SN_2020jfo
gptkb:SN_2021hiz
gptkb:SN_2018ivc
gptkb:SN_2018gv
gptkb:SN_2003gd
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 253
|
|
gptkbp:hubble_classification
|
SA(s)c
|
|
gptkbp:infrared_emission
|
strong infrared source
|
|
gptkbp:interacts_with
|
none known
|
|
gptkbp:is_observed_in
|
gptkb:Spitzer_Space_Telescope
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
various telescopes
|
|
gptkbp:is_part_of
|
gptkb:Laniakea_Supercluster
gptkb:Sculptor_Group
gptkb:Local_Group
|
|
gptkbp:is_visible_from
|
gptkb:Northern_Hemisphere
Southern Hemisphere
yes
with binoculars
|
|
gptkbp:known_as
|
gptkb:Sculptor_Galaxy
|
|
gptkbp:lighting
|
approximately 22.5 mag/arcsec²
variable stars present
strong X-ray source
magnitude 7.2
|
|
gptkbp:located_in
|
constellation Sculptor
|
|
gptkbp:location
|
gptkb:Sculptor_constellation
|
|
gptkbp:mass
|
1.5 x 10^11 solar masses
young stars
approximately 10^11 solar masses
approximately 100 billion solar masses
10 billion solar masses
1.0 x 10^11 solar masses
|
|
gptkbp:members
|
gptkb:Sculptor_Group
|
|
gptkbp:metallicity
|
solar metallicity
|
|
gptkbp:notable_feature
|
prominent dust lanes
bright central bulge
high surface brightness
|
|
gptkbp:notable_galaxies
|
SAB(s)c
|
|
gptkbp:notable_products
|
gptkb:supernova_SN_1975_A
|
|
gptkbp:nucleus
|
gptkb:active_galactic_nucleus
|
|
gptkbp:number
|
gptkb:2_MASX_J00473309-2517170
gptkb:ESO_444-G_005
gptkb:IRAS_00427-2537
gptkb:MCG_-04-02-001
gptkb:NGC_253_A
gptkb:NGC_253_B
gptkb:NGC_253_C
gptkb:NGC_253_D
gptkb:NGC_253_E
gptkb:NGC_253_F
gptkb:NGC_253_G
gptkb:NGC_253_H
gptkb:NGC_253_I
gptkb:NGC_253_J
gptkb:NGC_253_K
gptkb:NGC_253_L
gptkb:NGC_253_M
gptkb:NGC_253_N
gptkb:NGC_253_P
gptkb:NGC_253_Q
gptkb:NGC_253_R
gptkb:NGC_253_S
gptkb:NGC_253_T
gptkb:NGC_253_U
gptkb:NGC_253_V
gptkb:NGC_253_W
gptkb:NGC_253_X
gptkb:NGC_253_Y
gptkb:NGC_253_Z
gptkb:PGC_23333
C 0045-253
NGC 253 O
|
|
gptkbp:optical_spectrum
|
blue shifted
|
|
gptkbp:population_density
|
high stellar density
|
|
gptkbp:previous_name
|
gptkb:Sculptor_Galaxy
|
|
gptkbp:redshift
|
0.0011
0.0007
0.0009
|
|
gptkbp:research
|
Hubble Space Telescope images
high surface brightness
observed since 1783
|
|
gptkbp:right_ascension
|
00h 47m 33.1s
|
|
gptkbp:rotation_curve
|
flat rotation curve
|
|
gptkbp:star_clusters
|
numerous globular clusters
|
|
gptkbp:supermassive_black_hole
|
present
|
|
gptkbp:type
|
gptkb:spiral_galaxy
|
|
gptkbp:bfsParent
|
gptkb:galaxy
gptkb:sculpture
|
|
gptkbp:bfsLayer
|
4
|