Black hole accretion and radiation variability in general relativistic magnetohydrodynamic simulations with Rezzolla–Zhidenko spacetime

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Table 1

Model names, metric parameters, and characteristic radii.

Metric	Symbol	Parameters	r₀/r_g	r_sh/ r_g	r_ph/r_g
Schwarzschild	`Sch`	a₁ = 0.0	2.0	5.20	3.00
Inspection metric `A`	`A`	a₁ = [−0.5, 0.5]	2.0	[5.58, 4.82]	[3.25, 2.81]
Inspection metric `AS`	`AS`	a 1 = [−0.25, 0.5]	1.5	[4.95, 4.42]	[2.71, 2.29]

Hayward	`Hay`	$\bar{ℓ}$ $\bar \ell = 0.75$ = 0.75	1.5	4.93	2.68

Notes. r₀ is the event horizon, r_sh is the shadow size, and r_ph is the photon ring size. The Hubble length is denoted by $\bar{ℓ}$ $\bar \ell$ . In the inspection models A and AS, the parameters b_i and a_i>ı are set to zero.

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