NGC 5752
Galaxy NGC 5752 |
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The galaxies NGC 5752 (bottom) and NGC 5754 (top) captured by the Hubble Space Telescope | |
AladinLite | |
Constellation | Bear keeper |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 14 h 45 m 14.1 s |
declination | + 38 ° 43 ′ 44 ″ |
Appearance | |
Morphological type | Sab |
Brightness (visual) | 14.1 mag |
Brightness (B-band) | 14.9 mag |
Angular expansion | 0.5 ′ × 0.2 ′ |
Position angle | 120 ° |
Surface brightness | 11.5 mag / arcmin² |
Physical data | |
Redshift | 0.015140 ± 0.000003 |
Radial velocity | (4539 ± 1) km / s |
Stroke distance v rad / H 0 |
(207 ± 15) · 10 6 ly (63.6 ± 4.5) Mpc |
diameter | 45,000 ly |
history | |
discovery | Lawrence Parsons |
Discovery date | April 1, 1878 |
Catalog names | |
NGC 5752 • PGC 52685 • CGCG 220-052 • MCG + 7-30-60 • 2MASX J14451411 + 3843436 • Arp 297 • |
NGC 5752 is an edged spiral galaxy of the Hubble type Sb in the constellation Bear Guardian in the northern sky . It is about 207 million light years away from the Milky Way and about 45,000 light years in diameter . The galaxy has an interactive relationship with NGC 5754 and forms a quartet with it and NGC 5753 and NGC 5755 called 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 .
NGC 5752 was discovered on April 1, 1878 by the Irish astronomer Lawrence Parsons .
Web links
Commons : NGC 5752 - 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