NGC 5857
| Galaxy NGC 5857 |
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|---|---|
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| Image of NGC 5857 (bottom) and NGC 5859 (top) with the 81 cm reflecting telescope of the Mount Lemmon Observatory | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 15 h 07 m 27.3 s |
| declination | + 19 ° 34 ′ 52 ″ |
| Appearance | |
| Morphological type | SB (s) b |
| Brightness (visual) | 13.0 likes |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.2 '× 0.6' |
| Position angle | 137 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 394 |
| Redshift | 0.015901 ± 0.000083 |
| Radial velocity | (4767 ± 25) km / s |
|
Stroke distance v rad / H 0 |
(216 ± 15) · 10 6 ly (66.2 ± 4.6) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 27, 1788 |
| Catalog names | |
| NGC 5857 • UGC 9724 • PGC 53995 • CGCG 106-005 • MCG + 03-39-04 • IRAS 15052 + 1946 • 2MASX J15072731 + 1935512 • GC 4051 • H II 751 • h 1905 • KCPG 455A | |
NGC 5857 is a bar-spiral galaxy located in the constellation Bear Keeper and listed in the New General Catalog . It is estimated to be 216 million light years from the Milky Way . The galaxy was discovered on April 27, 1788 by the astronomer William Herschel with his 48 cm telescope.