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Parabolic Jets from the Spinning Black Hole in M87

  • Authors: Masanori Nakamura, Keiichi Asada, Kazuhiro Hada, Hung-Yi Pu, Scott Noble, Chihyin Tseng, Kenji Toma, Motoki Kino, Hiroshi Nagai, Kazuya Takahashi, Juan-Carlos Algaba, Monica Orienti, Kazunori Akiyama, Akihiro Doi, Gabriele Giovannini, Marcello Giroletti, Mareki Honma, Shoko Koyama, Rocco Lico, Kotaro Niinuma, and Fumie Tazaki

2018 The Astrophysical Journal 868 146.

  • Provider: AAS Journals

Caption: Figure 20.

Schematic view (arbitrary scale) of our parabolic GRMHD jet with a moderately high spin (a ≥ 0.7). The system is organized by the highly magnetized funnel (parabolic jet) and the weakly magnetized coronal/wind above the RIAF body. Typical values of the ratio of magnetic to rest-mass energy: b2/ρ, the plasma-β, βp, and the Bernoulli parameter, ﹩\mathrm{Be}\,(\approx -{u}_{t}-1)﹩, are specified. The limb-brightened (i.e., spine-sheath) structure is expressed as a context of the lateral stratification of the bulk Lorentz factor: Γ (dark-shaded area: Γ > 1; light-shaded area: Γ ≃ 1). The funnel edge (b2/ρ ≃ 1, βp ≃ 1, Be ≈ 0, ﹩{u}^{r}\ne 0﹩) and the jet stagnation surface (Be ≈ 0, ﹩{u}^{r}=0﹩) are shown as the thick solid and dashed lines, respectively. Emerging blobs are illustrated near the funnel edge.

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