NGC 3550
| Galaxy NGC 3550 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 10 m 38.7 s |
| declination | + 28 ° 46 ′ 06 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1 ′ × 1 ′ |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1185 |
| Redshift | 0.034647 ± 0.000087 |
| Radial velocity | (10387 ± 26) km / s |
|
Stroke distance v rad / H 0 |
(463 ± 32) · 10 6 ly (141.9 ± 9.9) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 11, 1785 |
| Catalog names | |
| NGC 3550 • UGC 6214 • PGC 33927 • CGCG 155-082 / 156-003 • MCG + 05-27-002 • GC 2319 • H III 351 • h 829 • | |
NGC 3550 is a merging pair of galaxies in the constellation Great Bear in the northern sky . It is an estimated 463 million light years from the Milky Way .
The object was discovered by Wilhelm Herschel on April 11, 1785 .