NGC 250
| Galaxy NGC 250 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 47 m 16.0 s |
| declination | + 07 ° 54 ′ 36 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.1 ′ × 0.6 ′ |
| Position angle | 153 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.017459 ± 0.000093 |
| Radial velocity | 5234 ± 28 km / s |
|
Stroke distance v rad / H 0 |
(238 ± 17) · 10 6 ly (73.1 ± 5.1) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | November 10, 1885 |
| Catalog names | |
| NGC 259 • UGC 487 • PGC 2765 • CGCG 410-005 • MCG + 01-03-002 • IRAS 00446 + 0738 • 2MASX J00471599 + 0754357 • GALEX ASC J004715.99 + 075436.5 • LDCE 46 NED001 | |
NGC 250 is a lenticular galaxy of the Hubble type S0 / a in the constellation Pisces on the ecliptic . It is an estimated 238 million light years from the Milky Way and about 75,000 light years in diameter.
The galaxy NGC 257 is located in the same area of the sky .
The object was discovered on November 10, 1885 by the American astronomer Lewis A. Swift .