IC 493
| Galaxy IC 493 |
|
|---|---|
![IC 493 with LEDA 1725870 (u) [1]](https://de.wikipedia.org/wiki/Datei:IC493_-_SDSS_DR14.jpg)
|
|
| IC 493 with LEDA 1725870 (u) | |
| AladinLite | |
| Constellation | cancer |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 07 m 27.587 s |
| declination | + 25 ° 08 ′ 02.50 ″ |
| Appearance | |
| Morphological type | Sbc |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 0.60 'x 0.5' |
| Position angle | 24 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.020708 ± 0.000035 |
| Radial velocity | 6208 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(275 ± 19) x 10 6 ly (84.2 ± 5.9) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | March 2, 1892 |
| Catalog names | |
| IC 493 • PGC 22795 • CGCG 118-064 • MCG + 04-19-026 • IRAS 08044 + 2516 • 2MASX J08072763 + 2507585 • GALEX ASC J080727.54 + 250801.6 • NVSS J080727 + 250759 | |
IC 493 is a spiral galaxy of Hubble type Sbc in the constellation Cancer on the ecliptic . It is estimated to be 275 million light years from the Milky Way and about 50,000 light years across.
In the same area of the sky are u. a. the galaxies NGC 2535 , NGC 2536 , IC 496 , IC 497 .
The object was discovered by Stéphane Javelle on March 2, 1892 .