IC 401

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Galaxy
IC 401
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IC 401 [1]
IC 401
AladinLite
Constellation Eridanus
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 05 h 04 m 19.64 s
declination -10 ° 04 ′ 35.5 ″
Appearance
Morphological type SB (rs) b? / LINER ?  
Brightness  (visual) 12.5 mag
Brightness  (B-band) 13.3 mag
Angular expansion 1.7 ′ × 0.6 ′
Position angle 57 °
Surface brightness 12.4 mag / arcmin²
Physical data
Affiliation NGC 1752 group
NGC 1779 group
LGG 126  
Redshift 0.011194 ± 0.000010  
Radial velocity 3356 ± 3 km / s  
Stroke distance
v rad  / H 0 		(145 ± 10)  ·  10 6  ly
(44.4 ± 3.1)  Mpc 
history
discovery William Herschel
Discovery date January 30, 1786
Catalog names
IC  401 • PGC  16672 • MCG  -02-13-040 • IRAS  05019-1008 • 2MASX  J05041962-1004359 • Mrk  1092 • HIPASS J0504-10 • NVSS J050420-100426

IC 401 is a lens-shaped galaxy with an active nucleus of the Hubble type SB0 / a in the constellation Eridanus in the southern sky . It is estimated to be 145 million light years from the Milky Way and about 75,000 light years in diameter. The galaxy is considered a member of the NGC 1752 group ( LGG 126 ).
In the same area of ​​the sky is u. a. the galaxy NGC 1779 .

The object was discovered by Wilhelm Herschel on January 30, 1786 .

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 : IC 401
  4. ^ VizieR
  5. ↑ Seligman