IC 1691

from Wikipedia, the free encyclopedia
Galaxy
IC 1691
{{{Card text}}}
Photo-request.svg
AladinLite
Constellation fishes
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 24 m 25.8 s
declination + 33 ° 24 ′ 25 ″
Appearance
Morphological type S.  
Brightness  (visual) 15.2 mag
Brightness  (B-band) 16.0 mag
Angular expansion 0.40 'x 0.3'
Position angle 115 °
Surface brightness 12.7 mag / arcmin²
Physical data
Redshift 0.016621 ± 0.000130  
Radial velocity 4983 ± 39 km / s  
Stroke distance
v rad  / H 0
(229 ± 16)  x  10 6  ly
(70.2 ± 4.9)  Mpc 
history
discovery Stéphane Javelle
Discovery date December 2, 1899
Catalog names
IC  1691 • PGC  169777 • 2MASX  J01242573 + 3324255 • GALEX ASC J012425.74 + 332426.6

IC 1691 is a spiral galaxy from the Hubble type S in the constellation fish on the ecliptic . It is estimated to be 229 million light years away from the Milky Way and has a diameter of about 25,000 ly
. a. the galaxies NGC 508 , NGC 515 , NGC 517 , IC 1692 .

The object was discovered by Stéphane Javelle on December 2, 1899 .

Web links

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 1691
  3. Seligman