NGC 5251
| Galaxy NGC 5251 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 37 m 24.8 s |
| declination | + 27 ° 25 ′ 09 ″ |
| Appearance | |
| Morphological type | S0? |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.7 ′ × 0.7 ′ |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.036655 +/- 0.000097 |
| Radial velocity | 10989 +/- 29 km / s |
|
Stroke distance v rad / H 0 |
(493 ± 35) · 10 6 ly (151.0 ± 10.6) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 11, 1785 |
| Catalog names | |
| NGC 5251 • PGC 48119 • CGCG 161-090 • MCG + 05-32-44 • KUG 1335 + 276 • GC 3618 • H III 369 • h 1652 • | |
NGC 5251 is a 13.9 likes bright lenticular radio galaxy from the Hubble type S0-a in the constellation Bootes . It is estimated to be 493 million light years from the Milky Way .
The object was discovered on April 11, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "eF, vS, 240 power left a little doubt".
Web links
- NGC 5251.SIMBAD , accessed February 8, 2016 .
- NGC 5251. DSO Browser, accessed February 8, 2016 .