NGC 239
| Galaxy NGC 239 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 44 m 37.5 s |
| declination | -03 ° 45 ′ 33 ″ |
| Appearance | |
| Morphological type | (R ') Sab / HII |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.0 ′ × 0.5 ′ |
| Position angle | 28 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.012632 ± 0.000103 |
| Radial velocity | 3787 ± 31 km / s |
|
Stroke distance v rad / H 0 |
(173 ± 12) · 10 6 ly (52.9 ± 3.7) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 239 • PGC 2642 • MCG -01-03-007 • IRAS 00420-0401 • 2MASX J00443751-0345332 • GALEX ASC J004437.45-034534.6 • LDCE 48 NED001 | |
NGC 239 is a spiral galaxy with extensive star formation regions of the Hubble type Sab in the constellation Whale south of the ecliptic . It is estimated to be 173 million light years away from the Milky Way and has a diameter of around 50,000 ly.
In the same area of the sky is the galaxy IC 1575 .
The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .
Web links
Commons : NGC 239 - collection of images, videos, and audio files
