NGC 7639
| Galaxy NGC 7639 / IC 1485 |
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|---|---|
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| NGC 7639 & LEDA 1392304 (ru) | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 22 m 48.2 s |
| declination | + 11 ° 22 ′ 22 ″ |
| Appearance | |
| Morphological type | E / S0 |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.6 mag |
| Angular expansion | 0.5 '× 0.4' |
| Position angle | 123 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.026882 ± 0.000080 |
| Radial velocity | 8059 ± 24 km / s |
|
Stroke distance v rad / H 0 |
(367 ± 26) · 10 6 ly (112.5 ± 7.9) Mpc |
| history | |
| discovery | Andrew A: Common |
| Discovery date | August 8, 1880 |
| Catalog names | |
| NGC 7639 • IC 1485 • PGC 71256 • CGCG 431-050 • 2MASX J23224821 + 1122225 • GALEX ASC J232248.23 + 112222.5 | |
NGC 7639 = IC 1485 is an elliptical galaxy of the Hubble type E / S0 in the constellation Pegasus in the northern sky . It is an estimated 367 million light years from the Milky Way and about 55,000 light years in diameter .
The galaxies NGC 7627 , NGC 7630 , NGC 7638 , IC 1484 are located in the same area of the sky .
The object was discovered by Andrew Ainslie Common on August 8, 1880 .