NGC 3471
| Galaxy NGC 3471 |
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|---|---|
![NGC 3471 with LEDA 33071 (ro) [1]](https://de.wikipedia.org/wiki/Datei:NGC3471_-_SDSS_DR14.jpg)
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| NGC 3471 with LEDA 33071 (ro) | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 10 h 59 m 09.012 s |
| declination | + 61 ° 31 ′ 50.46 ″ |
| Appearance | |
| Morphological type | Sa / HII |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.7 ′ × 0.8 ′ |
| Position angle | 14 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.007036 ± 0.000007 |
| Radial velocity | 2109 ± 2 km / s |
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Stroke distance v rad / H 0 |
(98 ± 7) · 10 6 ly (30.1 ± 2.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | November 28, 1801 |
| Catalog names | |
| NGC 3471 • UGC 6064 • PGC 33074 • CGCG 291-018 • MCG + 10-16-039 • IRAS 10560 + 6147 • 2MASX J10590901 + 6131496 • Mrk 158 • GC 2266 • H III 972 • NSA 27385 • NVSS J105908 + 613151 | |
NGC 3471 is a spiral galaxy of Hubble type Sa with extensive star formation in the constellation Ursa Major at the northern sky . It is estimated to be 98 million light years from the Milky Way and about 50,000 light years in diameter. Together with PGC 33071 it forms a gravitationally bound galaxy pair .
The object was discovered by Wilhelm Herschel on November 28, 1801 .