NGC 4627
| Galaxy NGC 4627 |
|
|---|---|
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|
| SDSS | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 41 m 59.7 s |
| declination | + 32 ° 34 ′ 25 ″ |
| Appearance | |
| Morphological type | E4 pec |
| Brightness (visual) | 12.0 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 1.7 ′ × 1 ′ |
| Position angle | 26 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | NGC-4631 group (LGG 291) |
| Redshift | +0.001808 ± 0.000053 |
| Radial velocity | +542 ± 16 km / s |
|
Stroke distance v rad / H 0 |
(25 ± 2) x 10 6 ly (7.7 ± 0.58) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 20, 1787 |
| Catalog names | |
| NGC 4627 • UGC 7860 • PGC 42620 • CGCG 188-015 • MCG + 6-28-19 • KUG 1239 + 328A • GC 3159 • H II 659 • h 1391 • Part of Arp 281 • Holm 442B | |
NGC 4627 is the name for an elliptical galaxy in the constellation Hounds . NGC 4627 has an angular extent of 1.7 '× 1.0' and an apparent magnitude of 12 mag. NGC 4627 is a companion galaxy to the Whale Galaxy (NGC 4631) and is located about 2.6 'northwest of its center; the two galaxies are listed together in the Arp catalog as Arp 281. Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy pair belongs to the class double galaxies with inflow and attraction .
NGC 4627 was discovered on March 20, 1787 by the German-British astronomer Wilhelm Herschel .
Amateur astronomical image of the whale galaxy (NGC 4631) together with NGC 4627 (bright spot above the center of the image)
Web links
Commons : NGC 4627 - Album containing pictures, 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