NGC 7818
| Galaxy NGC 7818 |
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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 | 00 h 04 m 08.8 s |
| declination | + 07 ° 22 ′ 46 ″ |
| Appearance | |
| Morphological type | Scd: |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1 ′, 0 × 1 ′, 0 |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.020684 ± 0.000003 |
| Radial velocity | 6201 ± 1 km / s |
|
Stroke distance v rad / H 0 |
(283 ± 20) x 10 6 ly (86.7 ± 6.1) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | October 23, 1886 |
| Catalog names | |
| NGC 7818 • UGC 21 • PGC 288 • CGCG 408-019 • MCG + 01-01-019 • 2MASX J00040883 + 0722458 • GALEX ASC J000408.89 + 072246.8 | |
NGC 7818 is a spiral galaxy of Hubble type Scd in the constellation Pisces on the ecliptic . It is an estimated 283 million light years from the Milky Way and about 85,000 light years in diameter .
The galaxies NGC 7816 and NGC 7824 are located in the same area of the sky .
The object was discovered on October 23, 1886 by the American astronomer Lewis A. Swift .
Web links
- SIMBAD Astronomical Database
- NGC 7818. In: Wikisky. Retrieved August 4, 2010 .