NGC 7339
| Galaxy NGC 7339 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Pegasus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 22 h 37 m 47.2 s |
| declination | + 23 ° 47 ′ 12 ″ |
| Appearance | |
| Morphological type | SAB (s) bc: |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 2.80 × 0.7 |
| Position angle | 93 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.004380 +/- 0.000027 |
| Radial velocity | 1313 +/- 8 km / s |
|
Stroke distance v rad / H 0 |
(68 ± 5) x 10 6 ly (20.7 ± 1.5) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | September 19, 1784 |
| Catalog names | |
| NGC 7339 • UGC 12122 • PGC 69364 • CGCG 474-013 • MCG + 04-53-009 • 2MASX J22374688 + 2347120 • GC 4824 • H II 234 • h 2175 • SDSS J223746.72 + 234710.6 | |
NGC 7339 is a bar-spiral galaxy of the Hubble-type SBbc constellation Pegasus in the northern sky . It is estimated to be 68 million light-years away from the Milky Way and has a diameter of about 65,000 ly.
In the same area of the sky there are u. a. the galaxies NGC 7332 , IC 5242 , IC 5243 .
The object was discovered by William Herschel on September 19, 1784 .