| Eridanus Group | |
|---|---|
| Observation data (Epoch J2000) | |
| Constellation(s) | Eridanus |
| Right ascension | 03h 06m to 04h 30m |
| Declination | −10° to −30° |
| Brightest member | NGC 1407 |
| Number of galaxies | ~200 |
| Other designations | |
| Eridanus Cloud | |
The Eridanus Group, sometimes called the Eridanus Cloud, is a nearby loose grouping of galaxies at a mean distance of approximately 75 Mly (23 ± 2 Mpc) in the constellation Eridanus.[1] Redshift values show that there are approximately 200 galaxies associated with the group, approximately 70% of which are spiral and irregular type galaxies while the remaining 30% are elliptical and lenticular types.[1]
- ^ a b Angiras, R.A.; Jog, C.J.; Omar, A.; Dwarakanath, K.S. (2006), "Origin of disc lopsidedness in the Eridanus group of galaxies", Monthly Notices of the Royal Astronomical Society, 369 (4): 1849–1857, arXiv:astro-ph/0604120, Bibcode:2006MNRAS.369.1849A, doi:10.1111/j.1365-2966.2006.10418.x, S2CID 118927254
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