IC 478
| Galaxy IC 478 |
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|---|---|
![IC 478 with LEDA 1778724 (l), LEDA 1779397 (ro) & LEDA 1777157 (ru) [1]](https://de.wikipedia.org/wiki/Datei:IC478_-_SDSS_DR14.jpg)
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| IC 478 with LEDA 1778724 (l), LEDA 1779397 (ro) & LEDA 1777157 (ru) | |
| AladinLite | |
| Constellation | Twins |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 07 h 53 m 41.569 s |
| declination | + 26 ° 29 ′ 33.68 ″ |
| Appearance | |
| Morphological type | Sb / Sy2 |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.6 ′ × 0.3 ′ |
| Position angle | 10 ° |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.037372 ± 0.000133 |
| Radial velocity | 11,204 ± 40 km / s |
|
Stroke distance v rad / H 0 |
(498 ± 35) · 10 6 Lj (152.7 ± 10.7) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | March 2, 1892 |
| Catalog names | |
| IC 478 • PGC 22109 • CGCG 148-055 • 2MASX J07534156 + 2629337 • 2MASS J07534156 + 2629337 • NVSS J075341 + 262927 • WISEA J075341.58 + 262933.6 | |
IC 478 is a spiral galaxy with an active nucleus of the Hubble type Sb in the constellation Gemini on the ecliptic . It is an estimated 498 million light years from the Milky Way and about 90,000 light years across. In the same area of the sky is u. a. the galaxy IC 479 and IC 480 .
The object was discovered by Stéphane Javelle on March 2, 1892 .