NGC 3423
| Galaxy NGC 3423 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | sextant |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 51 m 14.330 s |
| declination | + 05 ° 50 ′ 24.10 ″ |
| Appearance | |
| Morphological type | SA (s) cd / AGN |
| Brightness (visual) | 10.9 likes |
| Brightness (B-band) | 11.6 mag |
| Angular expansion | 3.8 ′ × 3.2 ′ |
| Position angle | 10 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.003349 ± 0.000007 |
| Radial velocity | (1004 ± 2) km / s |
|
Stroke distance v rad / H 0 |
(39 ± 3) x 10 6 ly (12.1 ± 0.9) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | February 23, 1784 |
| Catalog names | |
| NGC 3423 • UGC 5962 • PGC 32529 • CGCG 038-029 • MCG + 01-28-012 • 2MASX J10511434 + 0550243 • GC 2234 • H IV 6 / II 131 • h 777 • HIPASS J1051 + 05 • LDCE 753 NED004 | |
NGC 3423 is a spiral galaxy with an active nucleus of the Hubble-type Sc in the constellation Sextant south of the celestial equator . It is estimated to be 39 million light years from the Milky Way and about 45,000 light years across.
The galaxies NGC 3376 and NGC 3401 are located in the same area of the sky .
The object was discovered by William Herschel on February 23, 1784 .