NGC 5157
Galaxy NGC 5157 |
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SDSS recording | |
AladinLite | |
Constellation | Hunting dogs |
Position equinox : J2000.0 , epoch : J2000.0 |
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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".