IC 4474
| Galaxy IC 4474 |
|
|---|---|
![IC 4474 with LEDA 1687053 (left) [1]](https://de.wikipedia.org/wiki/Datei:IC4474_-_SDSS_DR14.jpg)
|
|
| IC 4474 with LEDA 1 687 053 (left) | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 38 m 22.3 s |
| declination | + 23 ° 25 ′ 44 ″ |
| Appearance | |
| Morphological type | SB (rs) off? |
| Brightness (visual) | 15.2 mag |
| Brightness (B-band) | 16.0 mag |
| Angular expansion | 0.6 ′ × 0.4 ′ |
| Position angle | 50 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.031317 ± 0.000161 |
| Radial velocity | 9389 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(422 ± 30) · 10 6 ly (129.4 ± 9.1) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | July 28, 1903 |
| Catalog names | |
| IC 4474 • PGC 1687216 • 2MASX J14382229 + 2325435 • GALEX ASC J143830.24 + 232516.0 | |
IC 4474 is a bar-spiral galaxy of the Hubble type SB in the constellation Bear Guardian in the northern sky . It is estimated to be 422 million light years away from the Milky Way and has a diameter of about 75,000 ly.
In the same area of the sky is the galaxy IC 4475 .
The object was discovered by Stéphane Javelle on July 28, 1903 .