NGC 5129
| Galaxy  NGC 5129  | 
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|---|---|
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| NGC 5129 with LEDA 214107 (mr), SDSS | |
| AladinLite | |
| Constellation | Virgin | 
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Position  equinox : J2000.0 , epoch : J2000.0  | 
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| Right ascension | 13 h 24 m 10.0 s | 
| declination | + 13 ° 58 ′ 36 ″ | 
| Appearance | |
| Morphological type | E / LINER | 
| Brightness (visual) | 12.0 mag | 
| Brightness (B-band) | 13.0 likes | 
| Angular expansion | 1.7 ′ × 1.4 ′ | 
| Position angle | 10 ° | 
| Surface brightness | 13.0 mag / arcmin² | 
| Physical data | |
| Affiliation | WBL 444-002 | 
| Redshift | 0.022969 ± 0.000067 | 
| Radial velocity | 6886 ± 20 km / s | 
| 
Stroke distance  v rad / H 0  | 
(307 ± 22)  x  10 6  ly (94.1 ± 6.6) Mpc  | 
| history | |
| discovery | Wilhelm Herschel | 
| Discovery date | March 19, 1787 | 
| Catalog names | |
| NGC 5129 • UGC 8423 • PGC 46836 • CGCG 072-065 • MCG + 02-34-012 • 2MASX J13241000 + 1358351 • GC 3526 • H II 653 • h 1595 • | |
NGC 5129 is a 12.0 mag bright elliptical galaxy with an active nucleus of the Hubble type E2 in the constellation of Virgo on the ecliptic . It is estimated to be 307 million light-years away from the Milky Way and has a diameter of about 155,000 ly. 
In the same area of the sky is u. a. the galaxy NGC 5115 , NGC 5132 , NGC 5136 , NGC 5137 .
The object was discovered on March 19, 1787 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as “pB, vS, mbM, just preceding a pretty considerable star”.