Arp 274
| Galaxy Arp 274 = NGC 5679 |
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| Photo of the Hubble Space Telescope ; galaxies A, B and C from right to left | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 35 m 08.7 s |
| declination | + 05 ° 21 ′ 23 ″ |
| Appearance | |
| Morphological type | A: Sc B: Sb C: C |
| Brightness (visual) | A: 13.8 likes B: 13.0 likes C: 16 likes |
| Brightness (B-band) | A: 14.5 likes B: 13.8 likes C: 17 likes |
| Angular expansion | A: 0.8 / 0.4 B: 1.1 / 0.7 C: 0.3 / 0.2 |
| Position angle | A: 54 ° B: 127 ° C: 10 ° |
| Surface brightness | A: 12.4 mag / arcmin² B: 12.6 mag / arcmin² C: 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 378 |
| Redshift | 0.028900 |
| Radial velocity | 8664 km / s |
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Stroke distance v rad / H 0 |
(387 ± 27) · 10 6 ly (118.7 ± 8.3) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | May 12, 1793 |
| Catalog names | |
| NGC 5679 • CGCG 047-110 • Arp 274 • VV 458 • UZC J143506.4 + 052125 • IRAS 14326 + 0534 • GC 3937 • H II 894 • h 1841; | |
Arp 274 = NGC 5679 is a group of three galaxies in the constellation Virgo . It has not been conclusively clarified whether the galaxies interact with each other or whether they are at different distances and just happen to be on the same line of sight. The lack of deformations typical of gravitationally interacting systems and measurements of the radial velocity rather suggest the latter.
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy triplet belongs to the class double galaxies with linked arms .
The object was discovered by Wilhelm Herschel on May 12, 1793 .
Web links
Commons : NGC 5679 - 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
- Sulentic, JW; Arp, H .; Lorre, J .: "Optimal enhancement of features in digital spectra"; in: Astronomical Journal Vol. 90, pp. 522-532 (1985)