NGC 3018
| Galaxy NGC 3018 |
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|---|---|
![NGC 3023 & NGC 3018 [1] (= KPG 216)](https://de.wikipedia.org/wiki/Datei:NGC_3018_SDSS.jpg)
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| NGC 3023 & NGC 3018 (= KPG 216 ) | |
| AladinLite | |
| Constellation | sextant |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 09 h 49 m 41.4 s |
| declination | + 00 ° 37 ′ 16 ″ |
| Appearance | |
| Morphological type | SB (s) b |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.2 ′ × 0.7 ′ |
| Position angle | 27 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 2967 group LGG 182 |
| Redshift | 0.006214 ± 0.000020 |
| Radial velocity | 1863 ± 6 km / s |
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Stroke distance v rad / H 0 |
(77 ± 5) · 10 6 ly (23.5 ± 1.6) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | March 10, 1880 |
| Catalog names | |
| NGC 3018 • UGC 5265 • PGC 28258 • CGCG 007-042 • MCG + 00-25-021 • 2MASX J09494143 + 0037163 • NVSS J094941 + 003716 • KPG 216A • USGC U258 NED01 | |
NGC 3018 is a spiral galaxy of the Hubble type Sb in the constellation Sextant in the southern sky . It is an estimated 77 million light years from the Milky Way and about 25,000 light years across. Together with NGC 3023 , it forms the gravitationally bound , isolated galaxy pair KPG 216 .
In the same area of the sky are u. a. the galaxies NGC 3015 , NGC 3042 , IC 566 .
The object was discovered on March 10, 1880 by Édouard Stephan .