IC 1771

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Galaxy
IC 1771
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IC 1771 & IC 1770
IC 1771 & IC 1770
AladinLite
Constellation fishes
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 02 m 15.8 s
declination + 09 ° 58 ′ 07 ″
Appearance
Morphological type E.  
Brightness  (visual) 14.3 mag
Brightness  (B-band) 15.3 mag
Angular expansion 0.5 ′ × 0.5 ′
Surface brightness 12.7 mag / arcmin²
Physical data
Redshift 0.015988 ± 0.000033  
Radial velocity 4793 ± 10 km / s  
Stroke distance
v rad  / H 0
(217 ± 15)  ·  10 6  ly
(66.6 ± 4.7)  Mpc 
history
discovery Stéphane Javelle
Discovery date November 24, 1903
Catalog names
IC  1771 • PGC  7737 • CGCG  438-015 • MCG  + 02-06-014 • 2MASX  J02021585 + 0958071 • GALEX ASC J020215.68 + 095806.9

IC 1771 is a lenticular galaxy of the Hubble type S0 in the constellation Pisces on the ecliptic . It is around 217 million light years away from the Milky Way and has a diameter of around 30,000 ly. Together with IC 1770 , it probably forms a bound galaxy pair .

The object was discovered by Stéphane Javelle on November 24, 1903 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : IC 1771
  3. Seligman