IC 1684

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Galaxy
IC 1684
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AladinLite
Constellation fishes
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 22 m 53.20 s
declination + 33 ° 24 ′ 49.0 ″
Appearance
Morphological type S.  
Brightness  (visual) 15.0 mag
Brightness  (B-band) 15.8 mag
Angular expansion 0.6 ′ × 0.3 ′
Position angle 125 °
Surface brightness 13.0 mag / arcmin²
Physical data
Redshift 0.013403 ± 0.000067  
Radial velocity 4018 ± 20 km / s  
Stroke distance
v rad  / H 0
(186 ± 13)  x  10 6  ly
(57.0 ± 4.0)  Mpc 
history
discovery Stéphane Javelle
Discovery date December 1, 1899
Catalog names
IC  1684 • PGC  169770 • 2MASX  J01225306 + 3324491 • GALEX ASC J012253.09 + 332449.6 • NSA 129302 • WISEA J012253.11 + 332448.7

IC 1684 is a spiral galaxy from the Hubble type S in the constellation fish on the ecliptic . It is an estimated 186 million light years away from the Milky Way and about 30,000 light years in diameter.
The galaxies NGC 495 , NGC 498 , NGC 499 and NGC 501 are located in the same area of ​​the sky .

The object was discovered by Stéphane Javelle on December 1, 1899 .

Web links

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 1684
  3. Seligman