NGC 5754
| Galaxy NGC 5754 |
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| The galaxies NGC 5752 (bottom) and NGC 5754 (top) captured by the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 45 m 19.6 s |
| declination | + 38 ° 43 ′ 52 ″ |
| Appearance | |
| Morphological type | SB (rs) b |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 2 ′ × 1.8 ′ |
| Position angle | 33 ° |
| Surface brightness | 14.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.015214 ± 0.000110 |
| Radial velocity | (4561 ± 33) km / s |
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Stroke distance v rad / H 0 |
(208 ± 15) · 10 6 ly (63.9 ± 4.5) Mpc |
| diameter | 75,000 ly |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 16, 1787 |
| Catalog names | |
| NGC 5754 • UGC 9505 • PGC 52686 • CGCG 220-052 • MCG + 07-30-61 • IRAS 14432 + 3856 • 2MASX J14451966 + 3843526 • Arp 297 • GC 3992 • H III 687 • h 1878 • Holm 674A, LDCE 1077 NED002 | |
NGC 5754 is a barred spiral galaxy of the Hubble type SB (rs) b in the constellation Bear Keeper in the northern sky . It is around 208 million light years away from the Milky Way and has a diameter of around 75,000 light years . Through the interactive relationship with her smaller companion NGC 5752 , her spiral arms were pulled apart. Together with NGC 5753 and NGC 5755 , it forms the optical quartet Arp 297 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This pair of galaxies belongs to the class of galaxies with long filaments .
The galaxy NGC 5754 was discovered on May 16, 1787 by the German-British astronomer Friedrich Wilhelm Herschel .
Web links
Commons : NGC 5754 - collection of images, videos, and audio files
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