2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14623Estimates of the magnetic field of neutron stars in X-ray pulsars are obtained using the hypothesis of the equilibrium period for disk and wind accretion and also from the BATSE data on timing of X-ray pulsars using the observed maximum spin-down rate. Cyclotron lines at energies $\ge 100$ keV in several Be-transient are predicted for future observations.9 pages, 4 PostScript figures, 3 tablesAstrophysicstext