IC 91

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Galaxy
IC 91
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SDSS image from IC 91
SDSS image from IC 91
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 18 m 39.4 s
declination + 02 ° 33 ′ 13 ″
Appearance
Morphological type S.  
Brightness  (visual) 15.7 mag
Brightness  (B-band) 16.5 mag
Angular expansion 0.5 ′ × 0.2 ′
Position angle 60 °
Surface brightness 13.1 mag / arcmin²
Physical data
Redshift 0.023526 +/- 0.000087  
Radial velocity 7053 +/- 26 km / s  
Stroke distance
v rad  / H 0
(318 ± 22)  ·  10 6  ly
(97.6 ± 6.8)  Mpc 
history
discovery Stéphane Javelle
Discovery date January 8, 1891
Catalog names
IC  91 • PGC  1230543 • 2MASX  J01183943 + 0233132 • LEDA 1230543

IC 91 is a spiral galaxy from the Hubble type S in the constellation Cetus south of the ecliptic . It is around 318 million light years away from the solar system and has a diameter of around 45,000 light years .
In the same area of ​​the sky is u. a. the galaxy NGC 467 , NGC 470 , NGC 474 .

The object was discovered by Stéphane Javelle on January 8, 1891 .

Web links

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 91
  3. Seligman

Attention: The sorting key "IC 0091" overwrites the previously used key "IC0091".