IC 454
| Galaxy IC 454 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Twins |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 06 h 51 m 06.3 s |
| declination | + 12 ° 55 ′ 19 ″ |
| Appearance | |
| Morphological type | SBab |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.20 'x 0.7' |
| Position angle | 140 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.013159 ± 0.000020 |
| Radial velocity | 3945 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(172 ± 12) · 10 6 ly (52.8 ± 3.7) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | December 27, 1889 |
| Catalog names | |
| IC 454 • UGC 3570 • PGC 19725 • MCG + 02-18-002 • IRAS 06482 + 1258 • 2MASX J06510628 + 1255193 • HIPASS J0651 + 12 | |
IC 454 is a bar-spiral galaxy of the Hubble type SBab in the constellation Gemini on the ecliptic . It is around 172 million light years away from the Milky Way and has a diameter of around 65,000 light years.
The type IIb supernova SN 2000H was observed here.
The object was discovered by Lewis Swift on December 27, 1889 .