IC 2574
| Galaxy IC 2574 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 10 h 28 m 23.5 s |
| declination | + 68 ° 24 ′ 44 ″ |
| Appearance | |
| Morphological type | SAB (s) m |
| Brightness (visual) | 10.2 mag |
| Brightness (B-band) | 10.8 mag |
| Angular expansion | 13.2 ′ × 5.4 ′ |
| Position angle | 41 ° |
| Surface brightness | 14.7 mag / arcmin² |
| Physical data | |
| Affiliation | M81 group, LGG 176 |
| Redshift | 0.000190 ± 0.000007 |
| Radial velocity | 57 ± 2 km / s |
|
Stroke distance v rad / H 0 |
(7 ± 1) x 10 6 ly (2.25 ± 0.17) Mpc |
| diameter | 45,000 ly |
| history | |
| discovery | Edwin Foster Coddington |
| Discovery date | April 17, 1898 |
| Catalog names | |
| IC 2574 • UGC 5666 • PGC 30819 • CGCG 333-31 • MCG + 12-10-38 • IRAS 10251 + 6843 • 2MASX J10282348 + 6824437 • DDO 81 • VII Zw 330 | |
IC 2574 is a barred spiral galaxy of the Hubble type SAB (s) m in the constellation Great Bear . It is an estimated 7 million light years from the Milky Way , about 45,000 ly in diameter, and belongs to the M81 galaxy group .
The object was discovered on April 17, 1898 by the American astronomer Edwin Foster Coddington .
Web links
Commons : IC 2574 - Collection of Images, Videos and Audio Files
- Galaxy IC 2574 ( Memento from August 11, 2007 in the Internet Archive )
- astronews.com: Picture of the day January 6, 2012
- Spektrum.de : Collection of amateur recordings