IC 749
| Galaxy IC 749 |
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|---|---|
![IC 749 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:IC749_-_SDSS_DR14.jpg)
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| IC 749 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 58 m 34.047 s |
| declination | + 42 ° 44 ′ 02.54 ″ |
| Appearance | |
| Morphological type | SAB (rs) cd |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.3 ′ × 2 ′ |
| Position angle | 150 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | UMa cluster |
| Redshift | 0.002693 ± 0.000011 |
| Radial velocity | 807 ± 3 km / s |
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Stroke distance v rad / H 0 |
(38 ± 3) x 10 6 ly (11.6 ± 0.8) Mpc |
| history | |
| discovery | Rudolf Spitaler |
| Discovery date | April 22, 1892 |
| Catalog names | |
| IC 749 • UGC 6962 • PGC 37692 • CGCG 215-009 • MCG + 07-25-008 • 2MASX J11583398 + 4244027 • HOLM 313A • LDCE 867 NED057 • WISEA J115834.06 + 424402.0 | |
IC 749 is a spiral dwarf galaxy of the Hubble type SBcd in the constellation Great Bear in the northern sky . It is estimated to be 38 million light years from the Milky Way and about 25,000 light years in diameter. The galaxy together with IC 750 forms the gravitationally bound galaxy pair Holm 313 and is a member of the Ursa Major Galaxy Cluster .
In the same area of the sky are u. a. the galaxies IC 751 and IC 752 .
The object was discovered on April 22nd, 1892 by Rudolf Ferdinand Spitaler .