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THE INVESTIGATORS PROPOSE TO MONITOR THE RADIO GALAXY 3C 120 WITH SWIFT OVER 2 YEARS AT OPTICAL UV AND X RAY BANDS IN ORDER TO TEST TWO SCENARIOS FOR THE ACCRETION DISK JET CONNECTION ESTABLISHED BY PREVIOUS STUDIES. ONE SCENARIO PREDICTS THAT THE OPTICAL UV SPECTRAL SLOPE SHOULD STEEPEN DRAMATICALLY AT THE START OF X RAY DIPS AS THE INNER ACCRETION DISK (AD) VANISHES. UNDER THE OTHER HYPOTHESIS IN WHICH THE X RAY EMISSION OCCURS AT THE BASE OF THE JET NO SUCH EFFECT IS EXPECTED. THE RESULTING SWIFT OBSERVATIONS WILL ALSO PROVIDE A LEGACY DATASET IMPORTANT FOR UNDERSTANDING THE COMPLEX AD/CORONA/JET RELATIONSHIP.

$39,200FY2016National Aeronautics and Space AdministrationNASA

Trustees Of Boston University, Boston

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