NGC 5474
| Galaxy NGC 5474 |
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|---|---|
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| The galaxy NGC 5474 in the ultraviolet spectral range, imaged by Galaxy Evolution Explorer | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 05 m 01.6 s |
| declination | + 53 ° 39 ′ 44 ″ |
| Appearance | |
| Morphological type | SA (s) cd pec / HII |
| Brightness (visual) | 10.6 mag |
| Brightness (B-band) | 11.3 mag |
| Angular expansion | 4.7 ′ × 4.7 ′ |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 371 |
| Redshift | (911 ± 30) · 10 −6 |
| Radial velocity | (273 ± 9) km / s |
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Stroke distance v rad / H 0 |
(17 ± 1) x 10 6 ly (5.36 ± 0.40) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | May 1, 1788 |
| Catalog names | |
| NGC 5474 • UGC 9013 • PGC 50216 • CGCG 272-023 • MCG + 09-23-032 • GC 3783 • H I 214 • LDCE 0842 NED011 | |
NGC 5474 is a spiral-shaped dwarf galaxy of type Sc in the constellation Ursa Major and 17 million light-years from the Milky Way center. NGC 5474 belongs to the Messier 101 group , a galaxy group whose best-known member is the eponymous galaxy Messier 101 . The proximity of this object strongly distorted the appearance of NGC 5474 due to its gravitational forces .
It was discovered by William Herschel on May 1, 1788 .
Web links
- Spektrum.de : amateur recording NGC 5474 / M 101 , map of the area