NGC 1741
| Galaxy pair NGC 1741 |
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|---|---|
 |
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| Photo of the Hubble Space Telescope from Arp 259 (HCG 31A-D) | |
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 05 h 01 m 38.3 s |
| declination | -04 ° 15 ′ 25 ″ |
| Appearance | |
| Morphological type | pec |
| Brightness (visual) | A: 14.4 mag B: 14.6 mag |
| Brightness (B-band) | A: 15.0 mag B: 15.2 mag |
| Angular expansion | A: 0.9 / 0.3 B: 0.9 / 0.5 |
| Position angle | A: 63 ° B: 25 ° |
| Surface brightness | A: 12.8 mag / arcmin² B: 13.6 mag / arcmin² |
| Physical data | |
| Affiliation | Coma cluster , LGG 123 |
| Redshift | 0.013473 +/- 0.000018 |
| Radial velocity | (4039 +/- 5) km / s |
|
Stroke distance v rad / H 0 |
(176 ± 12) · 10 6 ly (54.0 ± 3.8) Mpc |
| history | |
| discovery | Édouard Jean-Marie Stephan |
| Discovery date | January 6, 1878 |
| Catalog names | |
| NGC 1741 • PGC 16574 (A) / 16570 (B) • MCG -01-13-045 • IRAS 04591-0419 • Arp 259 • HCG 31A-B • Mrk 1089 • VV 524,565 • | |
NGC 1741 = Arp 259 is an interacting galaxy pair (NGC 1741A & B) in the constellation Eridanus, approximately 176 million light years from the Milky Way . It is part of the Hickson Compact Group HCG 31 .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class of galaxies with irregular clusters .
The object was discovered on January 6, 1878 by Édouard Jean-Marie Stephan .
Web links
Commons : NGC 1741 - 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