NGC 232
| Galaxy NGC 232 |
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|---|---|
![NGC 232 with NGC 235, PGC 2570 (lo) & NGC 230 (ru) [1]](https://de.wikipedia.org/wiki/Datei:NGC_0232_DSS.jpg)
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| NGC 232 with NGC 235, PGC 2570 (lo) & NGC 230 (ru) | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 42 m 45.82 s |
| declination | -23 ° 33 ′ 40.9 ″ |
| Appearance | |
| Morphological type | SB (r) a? / pec / HII / LIRG |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 0.9 ′ × 0.8 ′ |
| Position angle | 42 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.022172 ± 0.000167 |
| Radial velocity | 6647 ± 50 km / s |
|
Stroke distance v rad / H 0 |
(304 ± 21) · 10 6 ly (93.1 ± 6.5) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 232 • PGC 2559 • ESO 474-015 • MCG -04-02-040 • IRAS 00402-2350 • 2MASX J00424581-2333406 • SGC 004017-2350.1 • VV 830 • GALEX ASC J004245.59-233341.2 • NVSS J004245-233340 • USGC S026 NED01 • WISEA J004245.81-233341.0 | |
NGC 232 is an active bar-spiral galaxy of the Hubble-type SBa with extensive star formation areas in the constellation Whale south of the celestial equator . It is an estimated 304 million light years from the Milky Way and about 80,000 light years in diameter.
The galaxies NGC 230 , NGC 235 , IC 1573 are located in the same area of the sky .
The Type Ia supernova SN 2006et was observed here.
The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .