NGC 229
| Galaxy NGC 229 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 43 m 04.6 s |
| declination | + 23 ° 30 ′ 33 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1 ′ × 0.4 ′ |
| Position angle | 96 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 17 |
| Redshift | 0.024514 ± 0.000083 |
| Radial velocity | 7349 ± 25 km / s |
|
Stroke distance v rad / H 0 |
(335 ± 23) x 10 6 ly (102.7 ± 7.2) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | October 10, 1879 |
| Catalog names | |
| NGC 229 • PGC 2577 • CGCG 479-064 • MCG + 04-02-049 • 2MASX J00430463 + 2330328 • GALEX ASC J004304.69 + 233034.1 • LDCE 42 NED003 | |
NGC 229 is a galaxy of Hubble type S? in the constellation Andromeda in the northern sky . It is an estimated 335 million light years from the Milky Way and about 100,000 light years in diameter .
In the same area of the sky is u. a. the galaxy NGC 228 .
The object was discovered on October 10, 1879 by the French astronomer Édouard Jean-Marie Stephan .
Web links
Commons : NGC 229 - collection of images, videos, and audio files
