IC 639
| Galaxy IC 639 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 45 m 52.0 s |
| declination | + 16 ° 55 ′ 50 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.1 ′ × 0.3 ′ |
| Position angle | 0 ° |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.021555 ± 0.000123 |
| Radial velocity | (6462 ± 37) km / s |
|
Stroke distance v rad / H 0 |
(285 ± 20) x 10 6 ly (87.4 ± 6.1) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | April 12, 1888 |
| Catalog names | |
| IC 639 • PGC 32129 • CGCG 095-016 • MCG + 03-28-007 • IRAS 10432 + 1711 • 2MASX J10455200 + 1655498 • GALEX ASC J104552.07 + 165550.5 | |
IC 639 is a spiral galaxy from the Hubble type S in Leo on the ecliptic . It is estimated to be 285 million light years from the Milky Way .
The object was discovered by Lewis Swift on April 12, 1888 .