NGC 5157
| Galaxy NGC 5157 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 27 m 16.8 s |
| declination | + 32 ° 01 ′ 51 ″ |
| Appearance | |
| Morphological type | SAB (r) a |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.3 ′ × 0.9 ′ |
| Position angle | 111 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.024424 +/- 0.000087 |
| Radial velocity | 7322 +/- 26 km / s |
|
Stroke distance v rad / H 0 |
(329 ± 23) x 10 6 ly (100.9 ± 7.1) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 20, 1787 |
| Catalog names | |
| NGC 5157 • UGC 8455 • PGC 47131 • CGCG 161-056 • MCG + 05-32-021 • GC 3548 • H III 651 • h 1606 • LDCE 0983 NED006 | |
NGC 5157 is a 13.4 mag barred spiral galaxy of the Hubble type SBa in the constellation of the Hounds , located about 329 million light years from the Milky Way.
It was discovered on March 20, 1787 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "vF, S".