NGC 7660
| Galaxy NGC 7660 |
|
|---|---|
![NGC 7660 with LEDA 214958 [1]](https://de.wikipedia.org/wiki/Datei:NGC7660_-_SDSS_DR14.jpg)
|
|
| NGC 7660 with LEDA 214958 | |
| AladinLite | |
| Constellation | Pegasus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 25 m 48.6 s |
| declination | + 27 ° 01 ′ 48 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.4 '× 1.1' |
| Position angle | 35 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.018993 ± 0.000057 |
| Radial velocity | 5694 ± 17 km / s |
|
Stroke distance v rad / H 0 |
(263 ± 18) · 10 6 ly (80.6 ± 5.6) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | September 5, 1828 |
| Catalog names | |
| NGC 7660 • UGC 12594 • PGC 71413 • CGCG 476-035 • MCG + 04-55-012 • 2MASX J23254867 + 2701478 • GALEX ASC J232548.68 + 270147.1 • KIG 1017 | |
NGC 7660 is an elliptical galaxy from the Hubble-type E2 in Pegasus at the northern sky . It is estimated to be 263 million light years away from the Milky Way and about 105,000 light years in diameter.
The object was discovered by John Herschel on September 5, 1828 .