NGC 1256

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Galaxy
NGC 1256
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NGC 1256 [1]
NGC 1256
AladinLite
Constellation Eridanus
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 03 h 13 m 58.27 s
declination -21 ° 59 ′ 11.1 ″
Appearance
Morphological type SAB0-?  
Brightness  (visual) 13.6 mag
Brightness  (B-band) 14.6 mag
Angular expansion 1.10 ′ × 0.4 ′
Position angle 108 °
Surface brightness 12.8 mag / arcmin²
Physical data
Redshift 0.014383 ± 0.000080  
Radial velocity 4312 ± 24 km / s  
Stroke distance
v rad  / H 0 		(189 ± 13)  ·  10 6  ly
(58.0 ± 4.1)  Mpc 
history
discovery John Herschel
Discovery date November 13, 1835
Catalog names
NGC  1256 • PGC  12032 • ESO  547-023 • MCG  -04-08-052 • 2MASX  J03135827-2159111 • GALEX ASC J031358.07-215909.5 • WISEA J031358.24-215910.6

NGC 1256 is an elliptical galaxy of Hubble type I / SB0 in the constellation Eridanus at the southern sky . It is an estimated 189 million light years away from the Milky Way and about 60,000 light years in diameter.
In the same area of ​​the sky are u. a. the galaxies NGC 1258 and IC 1898 .

The object was discovered on November 13, 1835 by the astronomer John Herschel .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 1256
  4. ↑ Seligman