NGC 2228

from Wikipedia, the free encyclopedia
Galaxy
NGC 2228
{{{Card text}}}
NGC 2228 DSS.jpg
AladinLite
Constellation Swordfish
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 06 h 21 m 15.5 s
declination -64 ° 27 ′ 32 ″
Appearance
Morphological type SA0 ^ 0 ^:  
Brightness  (visual) 13.6 mag
Brightness  (B-band) 14.6 mag
Angular expansion 0.8 ′ × 0.7 ′
Surface brightness 12.8 mag / arcmin²
Physical data
Redshift 0.024217 ± 0.000667  
Radial velocity 7260 ± 200 km / s  
Stroke distance
v rad  / H 0
(315 ± 24)  ·  10 6  ly
(96.6 ± 7.3)  Mpc 
history
discovery John Herschel
Discovery date January 31, 1835
Catalog names
NGC  2228 • PGC  18862 • ESO  087-007 • 2MASX  J06211557-6427319 • SGC  062101-6426.0 • GALEX MSC J062116.00-642732.5 • LDCE 448 NED005

NGC 2228 is a lenticular galaxy of the Hubble type SB0 in the constellation Dorado in the southern sky . It is an estimated 107 million light years away from the Milky Way and has a diameter of around 40,000 ly.
In the same area of ​​the sky are the galaxies NGC 2229 , NGC 2230 , NGC 2233 , NGC 2235 , among others .

The object was discovered by John Herschel on January 31, 1835 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 2228
  3. Seligman