NGC 7642
| Galaxy NGC 7642 |
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|---|---|
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|
| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 22 m 53.4 s |
| declination | + 01 ° 26 ′ 34 ″ |
| Appearance | |
| Morphological type | Sat |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 0.60 x 0.5 |
| Position angle | 175 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.029861 ± 0.000037 |
| Radial velocity | 8952 ± 11 km / s |
|
Stroke distance v rad / H 0 |
(406 ± 28) x 10 6 ly (124.4 ± 8.7) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 19, 1864 |
| Catalog names | |
| NGC 7642 • UGC 12560 • PGC 71264 • CGCG 380-048 • MCG + 00-59-035 • IRAS F23203 + 0110 • 2MASX J23225340 + 0126338 • USGC U843 NED02 | |
NGC 7642 is a spiral galaxy of Hubble type Sa in the constellation Pisces on the ecliptic . It is estimated to be 406 million light years from the Milky Way and about 70,000 light years in diameter .
The galaxies NGC 7629 and IC 1482 are located in the same area of the sky .
The object was discovered by Albert Marth on October 19, 1864 .