NGC 228
| Galaxy NGC 228 |
|
|---|---|
![NGC 228 with LEDA 2562 (ru) [1] SDSS recording](https://de.wikipedia.org/wiki/Datei:NGC228_-_SDSS_DR14.jpg)
|
|
| NGC 228 with LEDA 2562 (ru) SDSS image | |
| AladinLite | |
| Constellation | Andromeda |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 42 m 54.5 s |
| declination | + 23 ° 30 ′ 11 ″ |
| Appearance | |
| Morphological type | (R) SB (r) off |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.2 ′ × 1.1 ′ |
| Position angle | 126 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 17 |
| Redshift | 0.024737 ± 0.000150 |
| Radial velocity | 7416 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(338 ± 24) · 10 6 ly (103.6 ± 7.3) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | October 10, 1879 |
| Catalog names | |
| NGC 228 • UGC 458 • PGC 2563 • CGCG 479-062 • MCG + 04-02-048 • IRAS 00401 + 2313 • 2MASX J00425452 + 2330108 • GALEX ASC J004254.44 + 233007.7 • LDCE 42 NED002 | |
NGC 228 is a barred spiral galaxy of the Hubble type SBab in the constellation Andromeda in the northern sky . It is an estimated 338 million light years from the Milky Way and about 120,000 light years in diameter .
In the same area of the sky is u. a. the galaxy NGC 229 .
The object was discovered on October 10, 1879 by the French astronomer Édouard Stephan .
Web links
Commons : NGC 228 - collection of images, videos, and audio files
