IC 1820
| Galaxy IC 1820 |
|
|---|---|
![IC 1820 [1]](https://de.wikipedia.org/wiki/Datei:IC1820_-_SDSS_DR14.jpg)
|
|
| IC 1820 | |
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 35 m 52.67 s |
| declination | + 06 ° 02 ′ 26.2 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.50 'x 0.2' |
| Position angle | 70 ° |
| Surface brightness | 11.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.030981 ± 0.000117 |
| Radial velocity | 9288 ± 35 km / s |
|
Stroke distance v rad / H 0 |
(417 ± 29) x 10 6 ly (127.7 ± 8.9) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | December 21, 1903 |
| Catalog names | |
| IC 1820 • PGC 9866 • CGCG 414-024 • 2MASX J02355267 + 0602263 • GALEX ASC J023552.67 + 060225.0 • NSA 132292 | |
IC 1820 is a spiral galaxy of Hubble type S in the constellation Cetus south of the ecliptic . It is an estimated 417 million light years from the Milky Way and about 60,000 light years in diameter.
The object was discovered by Stéphane Javelle on December 21, 1903 .