H. Quintana et al., REDSHIFT OF CLUSTERS AND GALAXIES TOWARDS THE SHAPLEY CONCENTRATION, Astronomy & Astrophysics. Supplement series, 125(2), 1997, pp. 247-253
We report velocity measurements of galaxies in this, the densest mass
concentration within z = 0.1, obtained with the multifiber spectrograp
h MEFOS at ESO, La Silla. We derive redshifts of a number of Abell clu
sters and draw implications for the supercluster structure. The cluste
rs A3554, A3566, A3577 and AS718 are confirmed as members, while the c
lusters A3524, A3531, A3542, A3545 and A3549 are shown to be backgroun
d systems and A3581 a foreground one.