NGC 5228
| Galaxy NGC 5228 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 34 m 35.0 s |
| declination | + 34 ° 46 ′ 40 ″ |
| Appearance | |
| Morphological type | S0- |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1 ′ × 0.9 ′ |
| Position angle | 9 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.025704 +/- 0.000093 |
| Radial velocity | 7706 +/- 28 km / s |
|
Stroke distance v rad / H 0 |
(347 ± 24) x 10 6 ly (106.3 ± 7.5) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 13, 1793 |
| Catalog names | |
| NGC 5228 • UGC 8556 • PGC 47837 • CGCG 190-026 • MCG + 06-30-043 • 2MASX J13343506 + 3446405 • GC 3601 • H III 408 • h 1642 • LDCE 0983 NED017 | |
NGC 5228 is a 13.4 likes bright lenticular radio galaxy from the Hubble type e-S0 in the constellation of hunting dogs . It is estimated to be 347 million light years from the Milky Way and about 100,000 light years in diameter.
The object was discovered on May 13, 1793 by Wilhelm Herschel with an 18.7-inch reflector telescope, which she labeled “Two. Both vF, vS. A star between them about half way ”. The other named object is NGC 5223 .