IC 99
| Galaxy IC 99 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 22 m 27.3 s |
| declination | -12 ° 57 ′ 09 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.5 ′ × 0.5 ′ |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.049267 ± 0.000150 |
| Radial velocity | (14,770 ± 45) km / s |
|
Stroke distance v rad / H 0 |
(661 ± 46) · 10 6 ly (202.6 ± 14.2) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | January 2, 1892 |
| Catalog names | |
| IC 99 • PGC 4997 • MCG -02-04-034 • 2MASX J01222735-1257091 • GALEX ASC J012227.32-125709.4 | |
IC 99 is a spiral galaxy of Hubble type Sb in the constellation Cetus south of the ecliptic . It is estimated to be 661 million light years from the Milky Way and about 95,000 light years in diameter.
The galaxies IC 95 , IC 98 , IC 108 are located in the same area of the sky .
The object was discovered by Stéphane Javelle on January 2, 1892 .