IC 2943
| Galaxy IC 2943 |
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|---|---|
![NGC 3759 with LEDA 94203 (ru) & IC 2943 (ro) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC3759_-_SDSS_DR14.jpg)
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| NGC 3759 with LEDA 94203 (ru) & IC 2943 (ro) SDSS image | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 36 m 42,305 s |
| declination | + 54 ° 50 ′ 45.73 ″ |
| Appearance | |
| Morphological type | Sa? |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.40 × 0.4 |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Affiliation |
Abell 1318 WBL 340 |
| Redshift | 0.019373 ± 0.000079 |
| Radial velocity | 5808 ± 24 km / s |
|
Stroke distance v rad / H 0 |
(263 ± 18) · 10 6 ly (80.5 ± 5.6) Mpc |
| history | |
| discovery | Hermann Kobold |
| Discovery date | July 6, 1896 |
| Catalog names | |
| IC 2943 • PGC 35926 • CGCG 268-062 • IRAS 11339 + 5507 • KUG 1133 + 551 • 2MASX J11364237 + 5450455 • Mrk 41 • GALEX ASC J113642.27 + 545045.5 • NVSS J113641 + 545041 • WISEA J113642.32 + 545045.6 | |
IC 2943 is a spiral galaxy of Hubble type Sa in the constellation Ursa Major at the northern sky . It is estimated to be 263 million light-years from the Milky Way and about 30,000 light-years across. Together with NGC 3759 , it probably forms a gravitationally bound galaxy pair.
In the same area of the sky are u. a. the galaxies NGC 3733 , NGC 3737 , NGC 3738 , NGC 3756 .
The object was discovered on July 6, 1896 by Hermann Kobold .