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.
2 ) They computed the evolution of the disk till only ∼ 40Ω − 1 b , which is much smaller than the expected timescale of relaxation to th e quasi-stationary state
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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.