Studies of nearby poor clusters - The Eridanus group
- Observatorio Nacional, Rio de Janeiro (Brazil)
Results are reported from dynamical study of the Eridanus group of galaxies. This system is quite prominent in one of the large-scale features found in the recently completed Southern Sky Redshift Survey (da Costa et al., 1988): the Eridanus-Fornax-Dorado filament. The irregualr aspect of Eridanus suggests the existence of subclustering, which is confirmed by statistical tests. These subclusters are bound, suggesting that the system is still condensing from the Hubble flow and may eventually form a cluster of about 10 to the 14th solar mass. By calculating the two-body orbital solution, it is found that the Eridanus complex and the Fornax cluster also form a bound system, although still in the expansion phase. 41 refs.
- OSTI ID:
- 7000122
- Journal Information:
- Astronomical Journal; (USA), Vol. 98; ISSN 0004-6256
- Country of Publication:
- United States
- Language:
- English
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