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Table 1

Scatter of the black hole spin a ∈  ⟨ am − Δ;am + Δ ⟩ related to the frequency measurement errors for the resonance of the type T23 with the “magic” spin am = 0.983043 allowing νK:νθ:νr = 3:2:1 at the same radius (see also Fig. 6).

ΔνU    [%] am − Δ am + Δ a    [%]

± 3.0 0.967806 0.996902 ± 1.5
± 2.0 0.973038 0.992436 ± 1.0
± 1.5 0.975596 0.990146 ± 0.7
± 1.0 0.978117 0.987817 ± 0.5
± 0.5 0.980599 0.985449 ± 0.2

Expected precision of LOFT:
± 0.05 0.982801 0.983286 ± 0.025
± 0.01 0.982995 0.983092 ± 0.005

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