NGC 3406
| Galaxy NGC 3406 |
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|---|---|
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| SDSS image of NGC 3406 & NGC 3410 (left) | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 10 h 51 m 44.2 s |
| declination | + 51 ° 01 ′ 26 ″ |
| Appearance | |
| Morphological type | DBL SYS |
| Brightness (visual) | 1: 12.7 mag 2: 12.9 mag |
| Brightness (B-band) | 1: 13.7 mag 2: 13.7 mag |
| Angular expansion | 1: 0.90 / 0.6 2: 0.50 / 0.3 |
| Position angle | 1: 42 ° 2: 20 ° |
| Surface brightness | 1: 12.1 mag / arcmin² 2: 10.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.023813 |
| Radial velocity | 7139 km / s |
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Stroke distance v rad / H 0 |
(321 ± 23) x 10 6 ly (98.5 ± 6.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | February 17, 1831 |
| Catalog names | |
| NGC 3406 • UGC 5970 • PGC 32580 • CGCG 267-020 • MCG + 09-18-040 • Stile 217A | |
NGC 3406 is an interacting pair of galaxies in the constellation Great Bear in the northern sky . It is an estimated 321 million light years from the Milky Way .
The object was discovered by John Herschel on February 17, 1831 .