NGC 5687
| Galaxy NGC 5687 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 34 m 52.4 s |
| declination | + 54 ° 28 ′ 33 ″ |
| Appearance | |
| Morphological type | S0-? |
| Brightness (visual) | 11.7 mag |
| Brightness (B-band) | 12.7 mag |
| Angular expansion | 2.5 ′ × 1.9 ′ |
| Position angle | 105 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.007148 +/- 0.000017 |
| Radial velocity | 2143 +/- 5 km / s |
|
Stroke distance v rad / H 0 |
(102 ± 7) · 10 6 ly (31.2 ± 2.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 24, 1789 |
| Catalog names | |
| NGC 5687 • UGC 9395 • PGC 52116 • CGCG 273-014 • MCG + 09-24-20 • GC 3940 • H II 808 • h 1849 • | |
NGC 5687 is an 11.7 mag bright, lens-shaped galaxy of the Hubble type E-S0 in the constellation Bear Keeper and about 102 million light years from the Milky Way.
It was discovered on April 24, 1789 by Wilhelm Herschel with an 18.7-inch reflecting telescope, who described it as "pB, S, iF, easily resolved, mixed with some pL stars, which may perhaps belong to it".