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- W2617589223 abstract "The millimeter bump, as found in high-resolution multi-waveband observations of M87, most possibly comes from the synchrotron emission of thermal electrons in advection dominated accretion flow(ADAF). It is possible to constrain the accretion rate near the horizon if both the nuclear millimeter emission and its polarization are produced by the hot plasma in the accretion flow. The jet power of M87 has been extensively explored, which is around $8_{rm -3}^{+7}times10^{42} {rm erg/s}$ based on the analysis of the X-ray cavity. The black hole(BH) spin can be estimated if the jet power and the accretion rate near the horizon are known. We model the multi-wavelength spectral energy distribution (SED) of M87 with a coupled ADAF-jet model surrounding a Kerr BH, where the full set of relativistic hydrodynamical equations of the ADAF are solved. The hybrid jet formation model, as a variant of Blandford-Znajek model, is used to model the jet power. We find that the SMBH should be fast rotating with a dimensionless spin parameter $a_{*}simeq0.98_{rm -0.02}^{+0.012}$." @default.
- W2617589223 created "2017-06-05" @default.
- W2617589223 creator A5019522737 @default.
- W2617589223 creator A5023812054 @default.
- W2617589223 date "2017-05-26" @default.
- W2617589223 modified "2023-10-16" @default.
- W2617589223 title "Constraint on the black hole spin of M87 from the accretion-jet model" @default.
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- W2617589223 doi "https://doi.org/10.1093/mnras/stx1283" @default.
- W2617589223 hasPublicationYear "2017" @default.
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