NGC 227
| Galaxy NGC 227 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 42 m 36.8 s |
| declination | -01 ° 31 ′ 44 ″ |
| Appearance | |
| Morphological type | S0- / pec: |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 1.5 ′ × 1.2 ′ |
| Position angle | 155 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.017669 ± 0.000093 |
| Radial velocity | 5297 ± 28 km / s |
|
Stroke distance v rad / H 0 |
(240 ± 17) x 10 6 ly (73.7 ± 5.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | October 1, 1785 |
| Catalog names | |
| NGC 227 • UGC 456 • PGC 2547 • CGCG 383-076 • MCG + 00-02-135 • 2MASX J00423684-0131436 • GC 122 • H II 444 • LEDA 2547 • LDCE 40 NED004 | |
NGC 227 is a lenticular galaxy of the Hubble-type S0- in the constellation Whale south of the celestial equator . It is estimated to be 240 million light years away from the Milky Way and has a diameter of around 105,000 ly.
In the same area of the sky is the galaxy NGC 245 .
The object was discovered on October 1, 1785 by the German-British astronomer Friedrich Wilhelm Herschel .
Web links
Commons : NGC 227 - collection of images, videos, and audio files
