NGC 3751
| Galaxy NGC 3751 |
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| Image of the galaxies NGC 3745 , NGC 3746 , NGC 3748 , NGC 3750 , NGC 3751, NGC 3753 and NGC 3754 with the 81 cm reflecting telescope of the Mount Lemmon Observatory . This group is also known as the Copelands Septet. NGC 3751 is on the left in the image. | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 37 m 53.8 s |
| declination | + 21 ° 56 ′ 11 ″ |
| Appearance | |
| Morphological type | S0 ^ - pec? / E4? |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.5 ′ × 0.2 ′ |
| Position angle | 9 ° |
| Surface brightness | 11.9 mag / arcmin² |
| Physical data | |
| Affiliation | Copeland's septet |
| Redshift | 0.032531 ± 0.000350 |
| Radial velocity | 9594 ± 105 km / s |
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Stroke distance v rad / H 0 |
(418 ± 29) x 10 6 ly (128.1 ± 9.0) Mpc |
| history | |
| discovery | Ralph Copeland |
| Discovery date | April 5, 1874 |
| Catalog names | |
| NGC 3751 • UGC 6601 • PGC 36017 • MCG + 04-28-009 • 2MASX J11375386 + 2156110 • Arp part of 320 • HCG 57F • | |
NGC 3751 is an E-S0 elliptical galaxy in the constellation Leo . The galaxy was discovered on April 5, 1874 by the British astronomer Ralph Copeland .
The galaxy NCG 3751 forms together with NGC 3745 , NGC 3746 , NGC 3748 , NGC 3750 , NGC 3753 and NGC 3754 the galaxy group Arp 320 or after the discoverer Copeland's Septet and supplemented by the galaxy PGC 36010 the Hickson Compact Group (HCG) 57. Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This group of galaxies belongs to the class of galaxies .
Web links
Commons : NGC 3751 - collection of images, videos, and audio files
- GoBlack
- Mt. Lemmon Sky Center
- SIMBAD Astronomical Database
- ARP ATLAS OF PECULIAR GALAXIES
- Seligman Arp
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