NGC 4203

from Wikipedia, the free encyclopedia
Galaxy
NGC 4203
{{{Card text}}}
NGC 4203 [1]
NGC 4203
AladinLite
Constellation Berenike's hair
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 15 m 05.0554 s
declination + 33 ° 11 ′ 50.382 ″
Appearance
Morphological type SAB0-: / Sy3 / LINER  
Brightness  (visual) 10.7 mag
Brightness  (B-band) 11.7 mag
Angular expansion 3.5 'x 3.2'
Position angle 10 °
Surface brightness 13.4 mag / arcmin²
Physical data
Affiliation NGC 4274 group
LGG  
Redshift 0.003623 ± 0.000013  
Radial velocity (1086 ± 4) km / s  
Stroke distance
v rad  / H 0 		(49 ± 4)  ·  10 6  ly
(15.0 ± 1.1)  Mpc 
history
discovery William Herschel
Discovery date March 20, 1787
Catalog names
NGC  4203 • UGC  7256 • PGC  39158 • CGCG  187-029 • MCG  + 06-27-040 • IRAS  12125 + 3328 • 2MASX  J12150502 + 3311500 • GC  2796 • H  I 175 • h  1140 • GALEX ASC J121505.13 + 331150.8 • NVSS J121505 + 331152

NGC 4203 is an elliptical galaxy of Hubble type I / SB0 in the constellation Coma Berenices the northern sky . It is estimated to be 49 million light-years from the Milky Way and about 50,000 light-years across. Together with 18 other galaxies, it forms the NGC 4274 group ( LGG 279 ).
In the same area of ​​the sky are u. a. the galaxies NGC 4227 and NGC 4229 .

The object was discovered by Wilhelm Herschel on March 20, 1787 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 4203
  4. ^ VizieR
  5. ↑ Seligman