IC 161

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Galaxy
IC 161
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SDSS image from IC 161
SDSS image of IC 161
AladinLite
Constellation fishes
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 48 m 43.7 s
declination + 10 ° 30 ′ 28 ″
Appearance
Morphological type S?  
Brightness  (visual) 13.8 mag
Brightness  (B-band) 14.7 mag
Angular expansion 0.8 ′ × 0.6 ′
Position angle 65 °
Surface brightness 12.9 mag / arcmin²
Physical data
Affiliation LGG 31  
Redshift 0.017796 +/- 0.000067  
Radial velocity 5335 +/- 20 km / s  
Stroke distance
v rad  / H 0
(242 ± 17)  ·  10 6  ly
(74.1 ± 5.2)  Mpc 
diameter 65,000 ly
history
discovery Lewis Swift
Discovery date January 8, 1891
Catalog names
IC  161 • UGC  1266 • PGC  6644 • CGCG  437-033 • MCG  + 02-05-036 • Mrk  1007 • VV  53 •

IC 161 is a spiral galaxy of Hubble type Sb? in the constellation Pisces on the ecliptic . It is around 242 million light years away from the Milky Way and has a diameter of around 65,000 light years . It may form a tied pair with IC 162 . What is certain is that they belong to the same galaxy cluster .

The object was discovered on January 8, 1891 by Lewis Swift .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 161
  3. Seligman