NGC 7703
| Galaxy NGC 7703 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Pegasus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 34 m 46.9 s |
| declination | + 16 ° 04 ′ 33 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 2.2 '× 0.5' |
| Position angle | 147 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.013549 ± 0.000073 |
| Radial velocity | 4062 ± 22 km / s |
|
Stroke distance v rad / H 0 |
(189 ± 13) · 10 6 ly (57.9 ± 4.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 7, 1825 |
| Catalog names | |
| NGC 7703 • UGC 12676 • PGC 71797 • CGCG 455-016 • MCG + 03-60-004 • 2MASX J23344687 + 1604330 • GALEX ASC J233446.82 + 160432.5 • LDCE 1581 NED007 | |
NGC 7703 is a lenticular galaxy of the Hubble type S0 in the constellation Pegasus in the northern sky . It is an estimated 189 million light years away from the Milky Way and about 120,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 7691 , NGC 7711 and NGC 7722 .
The object was discovered by John Herschel on October 7, 1825 .