NGC 7430
| Galaxy NGC 7430 |
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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 | 22 h 57 m 29.7 s |
| declination | + 08 ° 47 ′ 39 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.4 '× 0.2' |
| Position angle | 60 ° |
| Surface brightness | 11.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.022312 ± 0.000067 |
| Radial velocity | 6689 ± 20 km / s |
|
Stroke distance v rad / H 0 |
(306 ± 22) · 10 6 ly (93.8 ± 6.6) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | August 27, 1864 |
| Catalog names | |
| NGC 7430 • PGC 70106 • CGCG 405-019 • MCG + 01-58-017 • 2MASX J22572973 + 0847377 • | |
NGC 7430 is a galaxy of Hubble type S in the constellation Pegasus at the northern sky . It is estimated to be 306 million light years from the Milky Way and about 35,000 light years across.
In the same area of the sky are u. a. the galaxies NGC 7427 and NGC 7451 .
The object was discovered on August 27, 1864 by Heinrich Louis d'Arrest .
Web links
Commons : NGC 7430 - collection of images, videos, and audio files
