NGC 5258
| Galaxy NGC 5258 |
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| The two galaxies NGC 5257 (left) and NGC 5258 (right) captured by the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 39 m 57.7 s |
| declination | + 00 ° 49 ′ 52.3 ″ |
| Appearance | |
| Morphological type | SA (s) b: pec; HIILINER |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 1.9 ′ × 1.5 ′ |
| Position angle | 22 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.022539 ± 0.000003 |
| Radial velocity | 6757 ± 1 km / s |
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Stroke distance v rad / H 0 |
(300 ± 21) x 10 6 ly (91.9 ± 6.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 13, 1793 |
| Catalog names | |
| NGC 5258 • UGC 8645 • PGC 48338 • CGCG 017-056 • MCG + 00-35-016 • IRAS 13373 + 0105 • 2MASX J13395767 + 0049514 • Arp part of 240 • VV 55a • GC 3625 • H II 896 • h 1655 • KCPG 389B • Stile 532B | |
NGC 5258 is a spiral galaxy in the constellation Virgo . It is about 300 million light years from the Milky Way and interacts with NGC 5257 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies showing signs of splitting .
The galaxy was discovered on May 13, 1793 by the German-British astronomer Wilhelm Herschel .
Web links
literature
- Jeff Kanipe and Dennis Webb: The Arp Atlas of Peculiar Galaxies - A Chronicle and Observer's Guide , Richmond 2006, ISBN 978-0-943396-76-7