NGC 5121
| Galaxy NGC 5121 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 24 m 45.6 s |
| declination | -37 ° 40 ′ 56 ″ |
| Appearance | |
| Morphological type | SA (rs) a |
| Brightness (visual) | 10.7 mag |
| Brightness (B-band) | 11.6 mag |
| Angular expansion | 1.9 ′ × 1.5 ′ |
| Position angle | 36 ° |
| Surface brightness | 11.7 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 349 |
| Redshift | 4913 ± 23 · 10 −6 |
| Radial velocity | (1473 ± 7) km / s |
|
Stroke distance v rad / H 0 |
(59 ± 4) · 10 6 ly (18.1 ± 1.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 26, 1834 |
| Catalog names | |
| NGC 5121 • PGC 46896 • ESO 382-G057 • MCG -06-29-35 • IRAS 13219-3725 • SGC 132154-3725.4 • GC 3519 • h 3498 • AM 1321-372 | |
NGC 5121 is a spiral galaxy of Hubble type Sa in the constellation Centaurus and about 59 million light-years from the Milky Way center.
The object was discovered on June 26, 1834 by John Herschel , who wrote “bright, round, pretty suddenly very much brighter in the middle; 30 arcseconds; resolvable; probably a dimly seen globular cluster "and" pretty bright, round, pretty suddenly brighter in the middle; 20 arcseconds ”.