IC 1258
| Galaxy IC 1258 |
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|---|---|
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| SDSS image of IC 1258 (r.), IC 1259 (above) and IC 1260 (lu) | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 17 h 27 m 17.4 s |
| declination | + 58 ° 29 ′ 08 ″ |
| Appearance | |
| Morphological type | Sab? |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 65 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.027100 ± 0.000100 |
| Radial velocity | (8124 ± 30) km / s |
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Stroke distance v rad / H 0 |
(372 ± 26) x 10 6 ly (114.0 ± 8.0) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | July 19, 1887 |
| Catalog names | |
| IC 1258 • UGC 10867 • PGC 60320 • CGCG 300-029 • MCG + 10-25-035 • Arp part of 311 • LDCE 1253 NED006 | |
IC 1258 is a spiral galaxy in the constellation Dragon in the northern sky , an estimated 373 million light years away from the Milky Way . Together with the galaxies IC 1259 and IC 1260 , it forms the galaxy triplet Arp 311 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy triplet belongs to the class of galaxy groups .
The object was discovered by Lewis A. Swift on July 19, 1887 .
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