NGC 4015
| Galaxy NGC 4015 |
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|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 58 m 42.9 s |
| declination | + 25 ° 02 ′ 25 ″ |
| Appearance | |
| Morphological type | 1: Sc 2: Sab |
| Brightness (visual) | 1: 13.5 mag 2: 14.8 mag |
| Brightness (B-band) | 1: 14.2 mag 2: 15.6 mag |
| Angular expansion | 1: 2 ′, 0 × 1 ′, 5 2: 0 ′, 8 × 0 ′, 3 |
| Position angle | 1: 131 ° 2: 20 ° |
| Surface brightness | 1: 14.5 mag / arcmin² 2: 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.014570 ± 0.000067 |
| Radial velocity | (4368 ± 20) km / s |
|
Stroke distance v rad / H 0 |
(194 ± 14) · 10 6 ly (59.5 ± 4.2) Mpc |
| history | |
| discovery | Johann Dreyer |
| Discovery date | April 26, 1878 |
| Catalog names | |
| NGC 4015 • UGC 6965 • PGC 37702/3 • CGCG 127-122 • MCG + 04-28-109 / 110 • 2MASX J09340276 + 1006315 • Arp 138 • VV 216 • LDCE 0655 NED004 | |
NGC 4015 is an interacting pair of galaxies in the constellation Haar der Berenike , which is approximately 194 million light years from the Milky Way .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class of elliptical galaxies with emanating material (Arp catalog) .
The galaxy was discovered on April 26, 1878 by the astronomer Johann Dreyer .
Web links
Commons : NGC 4015 - 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