NGC 7455
| Galaxy NGC 7455 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 00 m 41.0 s |
| declination | + 07 ° 18 ′ 11 ″ |
| Appearance | |
| Morphological type | Sat |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.6 '× 0.4' |
| Position angle | 174 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.024670 +/- 0.000173 |
| Radial velocity | 7396 +/- 52 km / s |
|
Stroke distance v rad / H 0 |
(337 ± 24) x 10 6 ly (103.4 ± 7.3) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | October 14, 1884 |
| Catalog names | |
| NGC 7455 • PGC 70246 • CGCG 405-021 • IRAS 22581 + 0702 • KUG 2258 + 070 • 2MASX J23004097 + 0718110 • Mrk 523 • | |
NGC 7455 is a spiral galaxy of Hubble type Sa in the constellation Pisces on the ecliptic . It is estimated to be 337 million light years away from the Milky Way and has a diameter of around 60,000 ly.
In the same area of the sky are the galaxies NGC 7452 and NGC 7459 , among others .
The object was discovered by Lewis Swift on October 14, 1884 .