IC 357
| Galaxy IC 357 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | bull |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 03 m 44.0 s |
| declination | + 22 ° 09 ′ 33 ″ |
| Appearance | |
| Morphological type | SB (s) from |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.20 x 1.0 |
| Position angle | 175 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.020884 ± 0.000020 |
| Radial velocity | 6261 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(281 ± 20) x 10 6 ly (86.1 ± 6.0) Mpc |
| history | |
| discovery | Truman Safford |
| Discovery date | January 1, 1867 |
| Catalog names | |
| IC 357 • UGC 2941 • PGC 14384 • MCG + 04-10-016 • IRAS 04007 + 2201 • 2MASX J04034398 + 2209325 • GALEXASC J040344.01 + 220933.7 • LDCE 0281 NED008 | |
IC 357 is a bar-spiral galaxy of the Hubble type SBab in the constellation Taurus on the ecliptic . It is around 281 million light years away from the Milky Way and has a diameter of around 100,000 light years .
The object was discovered on January 1, 1867 by Truman H. Safford .