We are grateful to Prof. Jaan Einasto for his very useful critisism. M.H. thanks for support by Finnish Culture Foundation, M. Ehrnrooth's Endowment and A. Kordelin's Cultural and Educational Foundation. Yu.B. thanks for support by the Russian program "Integration" project N. 578. This work has been supported by Academy of Finland (project "Cosmology in the local galaxy universe"). We have used data from the Lyon-Meudon Extragalactic Database (LEDA) compiled by the LEDA team at the CRAL - Observatoire de Lyon (France).
© European Southern Observatory (ESO) 1998
Online publication: May 15, 1998