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Table 3.
1σ width of the mass and orientation distributions in Fig. 12.
| EHT2017 | EHT2021 | EHT2021 | EHT2021+ | EHI, 230 GHz | EHI, 230 GHz | EHI, 557 GHz | EHI, 690 GHz | |
|---|---|---|---|---|---|---|---|---|
| 1 frame | 1 frame | 10 frames | 10 frames | 1 frame | 10 frames | 10 frames | 10 frames | |
| σM (109 M⊙) | 1.50 | 1.30 | 0.93 | 0.97 | 1.38 | 0.36 | 0.27 | 0.36 |
| σM (%) | 24.2 | 21.0 | 14.9 | 15.6 | 22.3 | 5.7 | 4.4 | 5.7 |
| σϕ (deg) | 60.0 | 61.0 | 53.0 | 56.5 | 53.9 | 13.5 | 5.0 | 5.1 |
| σϕ (%) | 16.6 | 16.9 | 14.7 | 15.7 | 15.0 | 3.7 | 1.4 | 1.4 |
Notes. The percentages are relative to the true input mass of 6.2 × 109 M⊙ and the full 360° circle for σM and σϕ, respectively.
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