NGC 1656

from Wikipedia, the free encyclopedia
Galaxy
NGC 1656
{{{Card text}}}
NGC 1656 [1]
NGC 1656
AladinLite
Constellation Eridanus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 04 h 45 m 53.39 s
declination -05 ° 08 ′ 12.2 ″
Appearance
Morphological type S0 +  
Brightness  (visual) 12.9 mag
Brightness  (B-band) 13.8 mag
Angular expansion 1.5 ′ × 1.0 ′
Position angle 123 °
Surface brightness 13.2 mag / arcmin²
Physical data
Redshift 0.012572 ± 0.000073  
Radial velocity 3769 ± 22 km / s  
Stroke distance
v rad  / H 0
(164 ± 11)  ·  10 6  ly
(50.4 ± 3.5)  Mpc 
history
discovery John Herschel
Discovery date February 10, 1830
Catalog names
NGC  1656 • PGC  15949 • MCG  -01-13-005 • 2MASX  J04455340-0508121 • 2MASS J04455338-0508123 • NSA 133936 • WISEA J044553.37-050812.0

NGC 1656 is a lenticular galaxy of the Hubble type S0 / a in the constellation Eridanus in the southern sky . It is estimated to be 164 million light years from the Milky Way and about 70,000 light years in diameter.
The galaxies NGC 1643 , NGC 1645 , NGC 1659 , NGC 1677 are located in the same area of ​​the sky .

The object was discovered by John Herschel on February 10, 1830 .

Web links

Commons : NGC 1656  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 1656
  4. Seligman