NGC 3421

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Galaxy
NGC 3421 / IC 652
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NGC 3421 PanS.jpg
AladinLite
Constellation Water snake
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 50 m 57.6 s
declination -12 ° 26 ′ 55 ″
Appearance
Morphological type (R ') SB (rs) a / pec  
Brightness  (visual) 13.7 mag
Brightness  (B-band) 14.6 mag
Angular expansion 1.8 ′ × 1.5 ′
Position angle 175 °
Surface brightness 14.6 mag / arcmin²
Physical data
Redshift 0.014824 ± 0.000040  
Radial velocity 4444 ± 12 km / s  
Stroke distance
v rad  / H 0
(191 ± 13)  ·  10 6  ly
(58.5 ± 4.1)  Mpc 
history
discovery Andrew A. Common
Discovery date 1880
Catalog names
NGC  3421 • IC  652 • PGC  32514 • MCG  -02-28-013 • 2MASX  J10505766-1226546 • LDCE 756 NED005

NGC 3421 = IC 652 is a spiral galaxy of the Hubble type Sa / P in the constellation Hydra south of the ecliptic . It is an estimated 191 million light years from the Milky Way and about 105,000 light years in diameter.
The galaxies NGC 3402 , NGC 3404 , NGC 3422 , IC 647 are located in the same area of ​​the sky .

The property was discovered by Andrew Ainslie Common in 1880 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 3421
  3. Seligman