NGC 5556
| Galaxy NGC 5556 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 20 m 34.1 s |
| declination | -29 ° 14 ′ 30 ″ |
| Appearance | |
| Morphological type | SAB (rs) d |
| Brightness (visual) | 11.7 mag |
| Brightness (B-band) | 12.4 mag |
| Angular expansion | 4.1 ′ × 3.3 ′ |
| Position angle | 148 ° |
| Surface brightness | 14.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.004617 ± 0.000007 |
| Radial velocity | (1384 ± 2) km / s |
|
Stroke distance v rad / H 0 |
(57 ± 4) · 10 6 ly (17.5 ± 1.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | May 8, 1834 |
| Catalog names | |
| NGC 5556 • UGCA 389 • PGC 51245 • ESO 446-50 • MCG -05-34-09 • IRAS 14176-2901 • GC 3842 • h 3564 • AM 1417-290 • DDO 243 • HIPASS J1420-29 | |
NGC 5556 is a barred spiral galaxy of type SBcd and is located in the constellation Water Snake . It is around 57 million light years away from the Milky Way .
The object was discovered by John Herschel on May 8, 1834 .