A relatively thick low-viscosity twisted disk can explain the two orbit crossings per period observed in OJ 287 if secondary-disk collisions provide extra heating.
This is related to a relatively fast orbital evol ution of the binary black hole due to the emission of gravitat ional waves
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A low viscosity relatively thick twisted disk in a supermassive binary black hole as a potential model of OJ 287
A relatively thick low-viscosity twisted disk can explain the two orbit crossings per period observed in OJ 287 if secondary-disk collisions provide extra heating.