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.
As seen in these panels, when r < r r ≈ 30rg, there is an excess of the amplitude, β , in comparison with the ’equilibrium’ solution described by eq
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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.