IC 998
| Galaxy IC 998 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Virgin |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 20 m 19.3 s |
| declination | -04 ° 24 ′ 59 ″ |
| Appearance | |
| Morphological type | Sa? |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 1.10 x 0.2 |
| Position angle | 60 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.022973 ± 0.000067 |
| Radial velocity | 6887 ± 20 km / s |
|
Stroke distance v rad / H 0 |
(306 ± 22) · 10 6 ly (93.8 ± 6.6) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | May 16, 1892 |
| Catalog names | |
| IC 998 • PGC 1058483 • 2MASX J14201929-0424594 • | |
IC 998 is a spiral galaxy ? of the Hubble type Sa? in the constellation Virgo in the north star sky . It is around 306 million light years from the Milky Way . The interacting galaxy IC 997 is located in the same area of the sky .
The object was discovered on May 16, 1892 by Lewis Swift .
Individual evidence
Attention: The sorting key “IC 0998” overwrites the previously used key “IC0998”.