NGC 423

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Galaxy
data from NGC 423
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NGC 0423 2MASS.jpg
2MASS image of the galaxy NGC 423
AladinLite
Constellation sculptor
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 11 m 22.2 s
declination -29 ° 14 ′ 04 ″
Appearance
Morphological type S0 / a? pec sp  
Brightness  (visual) 13.5 likes
Brightness  (B-band) 14.4 mag
Angular expansion 1.0 ′ × 0.4 ′
Position angle 114 °
Surface brightness 12.4 mag / arcmin²
Physical data
Redshift 0.005344 +/- 0.000033  
Radial velocity 1602 +/- 10 km / s  
Stroke distance
v rad  / H 0
(70 ± 5)  ·  10 6  ly
(21.6 ± 1.5)  Mpc 
history
discovery John Herschel
Discovery date November 14, 1835
Catalog names
NGC  423 • PGC  4266 • ESO  412-011 • MCG  -05-04-004 • IRAS  01090-2929 • 2MASX  J01112221-2914042 • SGC  10900-2930.0 • GC  232 • LEDA 4266

NGC 423 is a lenticular dwarf galaxy of the Hubble type S0 / a in the constellation Sculptor in the southern sky . It is estimated to be 70 million light years from the Milky Way and about 20,000 light years in diameter.

The object was discovered on November 14, 1835 by the British astronomer John Herschel .

Web links

Commons : NGC 423  - collection of images, videos, and audio files

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 423
  3. Seligman