NGC 1421

from Wikipedia, the free encyclopedia
Galaxy
NGC 1421
{{{Card text}}}
NGC 1421 DSS.jpg
AladinLite
Constellation Eridanus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 03 h 42 m 29.3 s
declination -13 ° 29 ′ 17 ″
Appearance
Morphological type SAB (rs) bc: / HII  
Brightness  (visual) 11.4 mag
Brightness  (B-band) 12.2 mag
Angular expansion 3.4 ′ × 0.8 ′
Position angle 0 °
Surface brightness 12.3 mag / arcmin²
Physical data
Redshift 0.006961 ± 0.000017  
Radial velocity 2087 ± 5 km / s  
Stroke distance
v rad  / H 0
(90 ± 6)  x  10 6  ly
(27.6 ± 1.9)  Mpc 
history
discovery William Herschel
Discovery date February 1, 1785
Catalog names
NGC  1421 • PGC  13620 • MCG  -02-10-008 • IRAS  03401-1338 • 2MASX  J03422928-1329168 • GC  762 • H  II 291 • h  2577 • HIPASS J0342-13 • LDCE 251 NED044

NGC 1421 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBbc in the constellation Eridanus in the southern sky . It is estimated to be 90 million light years from the Milky Way and about 90,000 light years in diameter .
The galaxy IC 340 is located in the same area of ​​the sky .

The object was discovered by Wilhelm Herschel on February 1, 1785 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 1421
  3. Seligman