NGC 7641
| Galaxy NGC 7641 / NGC 7627 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 22 m 30.9 s |
| declination | + 11 ° 53 ′ 33 ″ |
| Appearance | |
| Morphological type | Sat |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 1.7 '× 0.5' |
| Position angle | 133 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.026258 ± 0.000033 |
| Radial velocity | 7872 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(359 ± 25) x 10 6 ly (110.0 ± 7.7) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | November 18, 1886 |
| Catalog names | |
| NGC 7641 • 7627 • UGC 12556 • PGC 71241 • CGCG 431-047 • MCG + 02-59-029 • IRAS F23199 + 1137 • 2MASX J23223093 + 1153332 • | |
NGC 7641 = NGC 7627 is a spiral galaxy of the Hubble type Sa in the constellation Pegasus in the northern sky . It is an estimated 359 million light years away from the Milky Way and about 180,000 light years in diameter .
The galaxies NGC 7638 , NGC 7639 , NGC 7643 , IC 1484 are located in the same area of the sky .
The object was discovered by Lewis Swift on November 18, 1886 .