IC 4449
| Galaxy IC 4449 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 31 m 21.6 s |
| declination | + 15 ° 14 ′ 27 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 15.7 mag |
| Brightness (B-band) | 16.5 mag |
| Angular expansion | 0.5 ′ × 0.3 ′ |
| Position angle | 100 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.060630 |
| Radial velocity | 18,176 km / s |
|
Stroke distance v rad / H 0 |
(813 ± 57) · 10 6 ly (249.4 ± 17.5) Mpc |
| history | |
| discovery | Royal Frost |
| Discovery date | May 10, 1904 |
| Catalog names | |
| IC 4449 • PGC 1479230 • 2MASX J14312157 + 1514272 • | |
IC 4449 is a barred spiral galaxy of the Hubble type SBb in the constellation Bear Guardian north of the ecliptic , which is an estimated 813 million light years away from the Milky Way .
In the same area of the sky is u. a. the galaxy IC 1015 .
The object was discovered by Royal Harwood Frost on May 10, 1904 .