IC 550
| Galaxy IC 550 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 40 m 28.6 s |
| declination | -06 ° 56 ′ 46 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 0.80 ′ × 0.5 ′ |
| Position angle | 30 ° |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.016455 ± 0.000150 |
| Radial velocity | 4933 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(213 ± 15) x 10 6 ly (65.2 ± 4.6) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | February 18, 1893 |
| Catalog names | |
| IC 550 • PGC 27607 • MCG -01-25-014 • 2MASX J09402859-0656459 • GALEX ASC J094028.67-065645.4 | |
IC 550 is a lenticular galaxy of Hubble type Sun in the constellation Hydra south of the ecliptic . It is an estimated 213 million light years from the Milky Way and about 55,000 light years in diameter.
The object was discovered by Stéphane Javelle on February 18, 1893 .