Fig. 1: Constraints on the M87 BH spin parameter (a) and effective disk LT radius (rLT). | Nature Astronomy

Fig. 1: Constraints on the M87 BH spin parameter (a) and effective disk LT radius (rLT).

From: Co-precession of a curved jet and compact accretion disk in M87

Fig. 1

The solid curves were calculated from the observed jet precession period and SMBH mass (equation (1)). The lightly shaded region indicates the 1σ confidence interval, which was propagated from the uncertainties in both the precession period and SMBH mass. The green shaded region is excluded based on the conservative requirement that rLT > rISCO.

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