IC 993
| Galaxy IC 993 |
|
|---|---|
|
|
| IC 994 & IC 993 | |
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 18 m 18.6 s |
| declination | + 11 ° 12 ′ 59 ″ |
| Appearance | |
| Morphological type | S / LINER |
| Brightness (visual) | 14.9 mag |
| Brightness (B-band) | 15.7 mag |
| Angular expansion | 0.3 ′ × 0.2 ′ |
| Position angle | 160 ° |
| Surface brightness | 11.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.025318 ± 0.000183 |
| Radial velocity | 7590 ± 55 km / s |
|
Stroke distance v rad / H 0 |
(340 ± 24) x 10 6 ly (104.1 ± 7.3) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | May 27, 1891 |
| Catalog names | |
| IC 993 • UGC 9153 NOTES01 • PGC 51093 • CGCG 074-160 • 075-001 • MCG + 02-36-063 • 2MASX J14181860 + 1112594 • GALEX ASC J141818.55 + 111259.0 • HOLM 626B | |
IC 993 is a spiral galaxy with an active nucleus of the Hubble type S in the constellation Bear Keeper in the northern sky . It is estimated 340 million light years away from the Milky Way and has a diameter of about 30,000 ly.
In the same area of the sky are the galaxies NGC 5531 , NGC 5532 , IC 994 , among others .
The object was discovered by Stéphane Javelle on May 27, 1891 .
Web links
Individual evidence
Attention: The sorting key “IC 0993” overwrites the previously used key “IC0993”.