Proceedings of the International School of Physics "Enrico Fermi.", Volume 65

absorption accretion amplitude analysis antenna approximation assumed Astrophys BAHCALL binary black hole calculated colors considered consistent core corresponding cycle Cyg X-1 density dependence detail detected detectors determined dips discussed disk distance eclipse effect electromagnetic electron emission energy equation estimate existence expected field Figure flux frequency function geometry give given gravitational gravitational collapse important increases indicated intensity interesting Journ less Lett light curve limit lines magnetic mass measurements motion Nature neutron star noise observed obtained occur optical orbital parameters particle period phase Phys position possible potential present primary pulsations pulse radiation radio range ratio region relative rotation scale sensitivity shown shows spectrum stellar stellar wind suggested surface temperature transducer values variable variations velocity X-ray sources