NGC 5656
| Galaxy NGC 5656 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 30 m 25.5 s |
| declination | + 35 ° 19 ′ 16 ″ |
| Appearance | |
| Morphological type | SAab / LINER |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.7 mag |
| Angular expansion | 1.9 ′ × 1.5 ′ |
| Position angle | 50 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.010551 ± 0.000020 |
| Radial velocity | (3163 ± 6) km / s |
|
Stroke distance v rad / H 0 |
(145 ± 10) · 10 6 ly (44.5 ± 3.1) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 1, 1785 |
| Catalog names | |
| NGC 5656 • UGC 9332 • PGC 51831 • CGCG 192-034 • MCG + 06-32-53 • IRAS 14283 + 3532 • 2MASX J14302551 + 3519159 • GC 3917 • H II 421 • h 1829 • | |
NGC 5656 is a 11.9 likes bright spiral galaxy with pronounced emission lines from the Hubble type Sab in the constellation Bootes . It is estimated to be 145 million light years from the Milky Way and about 80,000 light years in diameter.
The object was discovered on May 1, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "F, pL, irregular figure".