IC 1818
| Galaxy IC 1818 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 34 m 07.1 s |
| declination | -11 ° 02 ′ 27 ″ |
| Appearance | |
| Morphological type | E0 |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.5 ′ × 0.5 ′ |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.015150 ± 0.000130 |
| Radial velocity | 4542 ± 39 km / s |
|
Stroke distance v rad / H 0 |
(202 ± 14) · 10 6 ly (62.0 ± 4.4) Mpc |
| history | |
| discovery | Herbert A. Howe |
| Discovery date | January 6, 1899 |
| Catalog names | |
| IC 1818 • PGC 970700 • 2MASX J02340713-1102261 • GALEX ASC J023407.15-110228.6 • LDCE 177 NED006 | |
IC 1818 is an elliptical galaxy with an active nucleus of the Hubble type E0 in the constellation Whale in the southern sky . It is estimated to be 202 million light years away from the Milky Way and has a diameter of around 30,000 ly.
In the same area of the sky are the galaxies NGC 977 , NGC 981 , NGC 1006 , NGC 1010 , among others .
The object was discovered on January 6, 1899 by Herbert Alonzo Howe .