IC 4669

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Galaxy
IC 4669
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IC 4669 [1]
IC 4669
AladinLite
Constellation Dragon
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 17 h 47 m 12.974 s
declination + 61 ° 26 ′ 03.21 ″
Appearance
Morphological type SB (s) b  
Brightness  (visual) 14.1 mag
Brightness  (B-band) 14.9 mag
Angular expansion 0.70 '× 0.3'
Position angle 94 °
Surface brightness 12.3 mag / arcmin²
Physical data
Redshift 0.029150 ± 0.000073  
Radial velocity 8739 ± 22 km / s  
Stroke distance
v rad  / H 0 		(400 ± 28)  x  10 6  ly
(122.5 ± 8.6)  Mpc 
history
discovery Guillaume Bigourdan
Discovery date September 24, 1895
Catalog names
IC  4669 • UGC  10992 • PGC  60856 • CGCG  300-069 • IRAS  17466 + 6127 • 2MASX  J17471291 + 6126030 • GALEX ASC J174713.03 + 612602.7 • NSA 148223

IC 4669 is a bar-spiral galaxy of the Hubble type SBb in the constellation Dragon in the northern sky . It is estimated to be 400 million light years from the Milky Way and about 80,000 light years across.

In the same area of ​​the sky are u. a. the galaxies NGC 6462 , NGC 6464 , NGC 6491 , NGC 6493 .

The object was discovered by Guillaume Bigourdan on September 24, 1895 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : IC 4669
  4. ↑ Seligman