IC 3909
| Galaxy IC 3909 |
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|---|---|
![IC 3909 [1]](https://de.wikipedia.org/wiki/Datei:IC3909_-_SDSS_DR14.jpg)
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| IC 3909 | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 56 m 02.819 s |
| declination | + 40 ° 23 ′ 07.58 ″ |
| Appearance | |
| Morphological type | E3 / Seyfert 2 |
| Brightness (visual) | 15.2 mag |
| Brightness (B-band) | 16.2 mag |
| Angular expansion | 0.30 'x 0.2' |
| Position angle | 70 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.058972 ± 0.000163 |
| Radial velocity | 17,679 ± 49 km / s |
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Stroke distance v rad / H 0 |
(792 ± 55) · 10 6 Lj (242.9 ± 17.0) Mpc |
| history | |
| discovery | Max Wolf |
| Discovery date | March 21, 1903 |
| Catalog names | |
| IC 3909 • PGC 2165019 • 2MASX i J1256028 + 402307 • 2MASS J12560283 + 4023076 • GALEX ASC J125602.80 + 402307.5 • SDSS J125602.82 + 402307.6 • ASK 515087.0 | |
IC 3909 is an elliptical galaxy with an active nucleus of the Hubble type E3 in the constellation Hounds in the northern sky . It is estimated to be 792 million light years from the Milky Way and about 70,000 light years in diameter.
In the same area of the sky are u. a. the galaxies IC 3897 , IC 3920 , IC 3928 , IC 3945 .
The object was discovered by Max Wolf on March 21, 1903 .