NGC 1223
| Galaxy NGC 1223 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 03 h 08 m 19.9 s |
| declination | -04 ° 08 ′ 18 ″ |
| Appearance | |
| Morphological type | CD |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.2 ′ × 1 ′ |
| Position angle | 4 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.029077 +/- 0.000057 |
| Radial velocity | 8717 +/- 17 km / s |
|
Stroke distance v rad / H 0 |
(388 ± 27) · 10 6 ly (119.1 ± 8.3) Mpc |
| history | |
| discovery | Francis Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 1223 • PGC 11742 • MCG -01-09-003 • 2MASX J03081993-0408180 • LDCE 0234 NED004 | |
NGC 1223 is a compact elliptical galaxy of the Hubble-type cD in the constellation Eridanus south of the celestial equator . It is estimated to be 388 million light years away from the Milky Way and has a diameter of around 140,000 ly.
In the same area of the sky are the galaxies NGC 1221 , NGC 1225 and IC 1886 .
The property was discovered by Francis Leavenworth in 1886 .