NGC 5124
| Galaxy NGC 5124 / IC 4233 |
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|---|---|
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| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 24 m 50.4 s |
| declination | -30 ° 18 ′ 27 ″ |
| Appearance | |
| Morphological type | E6 / LINER |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 2.2 ′ × 0.7 ′ |
| Position angle | 9 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 5135 group LGG 351 |
| Redshift | 0.013262 ± 0.000050 |
| Radial velocity | 3976 ± 15 km / s |
|
Stroke distance v rad / H 0 |
(172 ± 12) · 10 6 ly (52.6 ± 3.7) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | May 5, 1834 |
| Catalog names | |
| NGC 5124 • IC 4233 • PGC 46902 • ESO 444-027 • MCG -05-32-009 • 2MASX J13245027-3018279 • SGC 132203-3002.8 • GC 3521 • h 3499 • NVSS J132450-301828 • LDCE 996 NED008 | |
NGC 5124 = IC 4233 is a 12.1 mag bright elliptical galaxy with an active galaxy core ( LINER -type) of the Hubble type E6 in the constellation Centaur in the southern sky . It is estimated to be 172 million light years from the Milky Way and about 115,000 light years in diameter.
In the same area of the sky are the galaxies NGC 5126 , NGC 5135 , IC 4247 , IC 4248 .
The object was discovered twice; first on May 5, 1834 by John Herschel with an 18-inch reflector telescope , who noted “eF, S, lE” and “vF, S, E” during two observations (listed as NGC 5124 ). The second discovery followed on December 31, 1897 by Lewis A. Swift (listed as IC 4233 ).