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Fig. 12.

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Central black hole mass from scaling relations in Eqs. (21)–(24). The mass of the black hole estimated from Lx,g vs. MBH, Mg,500 vs. MBH, Pcav vs. MBH, kTx,g vs. MBH, and σv vs. MBH are (4±2)×109M, (4±3)×109M, (1.9±0.9)×109M, (30±9)×109M, and 1×109M, respectively.

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