NGC 7659
| Galaxy NGC 7659 |
|
|---|---|
![NGC 7659 [1]](https://de.wikipedia.org/wiki/Datei:NGC7659_-_SDSS_DR14.jpg)
|
|
| NGC 7659 | |
| AladinLite | |
| Constellation | Pegasus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 25 m 55.683 s |
| declination | + 14 ° 12 ′ 35.39 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.8 '× 0.3' |
| Position angle | 110 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 2593 |
| Redshift | 0.013232 ± 0.000120 |
| Radial velocity | 3967 ± 36 km / s |
|
Stroke distance v rad / H 0 |
(185 ± 13) · 10 6 ly (56.6 ± 4.0) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | October 16, 1784 |
| Catalog names | |
| NGC 7659 • UGC 12595 • PGC 71417 • CGCG 431-064 • 2MASX J23255568 + 1412352 • GC 4961 • H III 212 • h 2239 • GALEX ASC J232555.63 + 141235.6 • WISEA J232555.69 + 141235.3 • LDCE 1581 NED004 | |
NGC 7659 is a lenticular galaxy of the Hubble type S0 / a in the constellation Pegasus in the northern sky . It is estimated to be 185 million light-years from the Milky Way and about 40,000 light-years across.
In the same area of the sky are u. a. the galaxies NGC 7649 , NGC 7651 , IC 5319 .
The object was discovered by Wilhelm Herschel on October 16, 1784 .