NGC 4128
| Galaxy NGC 4128 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 08 m 32.3 s |
| declination | + 68 ° 46 ′ 03 ″ |
| Appearance | |
| Morphological type | SA0: sp |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.4 ′ × 0.9 ′ |
| Position angle | 67 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 272 |
| Redshift | 0.007759 ± 0.000090 |
| Radial velocity | 2326 ± 27 km / s |
|
Stroke distance v rad / H 0 |
(109 ± 8) · 10 6 ly (33.5 ± 2.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 6, 1793 |
| Catalog names | |
| NGC 4128 • UGC 7120 • PGC 38555 • CGCG 335-003 • MCG + 12-12-002a • 2MASX J12083235 + 6846034 • GC 2738 • H I 263 • LDCE 0889 NED003 | |
NGC 4128 is a lenticular galaxy of the Hubble-type S0 in the constellation Dragon in the northern sky . It is estimated to be 109 million light years from the Milky Way . She is the brightest member of the NGC 4128 group ( LGG 272 ).
The object was discovered on April 6, 1793 by the British astronomer Wilhelm Herschel .
NGC 4128 group ( LGG 272 )
| Galaxy | Alternative name | Distance / million ly |
|---|---|---|
| NGC 4034 | PGC 37935 | 11 |
| NGC 4128 | PGC 38555 | 109 |
| NGC 4120 | PGC 38553 | 106 |
Web links
Commons : NGC 4128 - collection of images, videos, and audio files
