IC 404
| Galaxy IC 404 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Orion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 05 h 13 m 19.6 s |
| declination | + 09 ° 45 ′ 18 ″ |
| Appearance | |
| Morphological type | S0 / a? |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.50 × 0.4 |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.030240 ± 0.000120 |
| Radial velocity | 9066 ± 36 km / s |
|
Stroke distance v rad / H 0 |
(402 ± 28) x 10 6 ly (123.4 ± 8.7) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | March 9, 1893 |
| Catalog names | |
| IC 404 • PGC 16935 • 2MASX J05131960 + 0945174 • 2MASS J05131960 + 0945178 | |
IC 404 is a spiral galaxy of Hubble type S in the constellation Orion the northern sky . It is estimated to be 402 million light years from the Milky Way and about 60,000 light years in diameter.
The object was discovered on March 9, 1893 by the astronomer Stéphane Javelle .