On the kinematics of the neutron star low mass X-ray binary Cen X-4 J. I. González Hernández, R. Rebolo, J. Peñarrubia, J. Casares and G. Israelian A&A, 435 3 (2005) 1185-1190 Published online: 13 May 2005 DOI: 10.1051/0004-6361:20042453