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Table 2.
VLBI measurements of the intrinsic morphology and brightness temperature of Sgr A* in April 2017.
| Reference | Date (2017) | ν (GHz) | Sν (Jy) | θmaj (mas) | θmaj (mas) | re (rg) | TB, obs (1010 K) | (1 + z) | TB, int (1010 K) |
|---|---|---|---|---|---|---|---|---|---|
| Cho et al. (2022) | 3 April | 22.2 | 1.0 | 0.80 | 0.60 | 66.9 | 0.51 | 1.02 | 0.52 |
| Cho et al. (2022) | 4 April | 43.1 | 1.3 | 0.30 | 0.23 | 24.8 | 1.24 | 1.04 | 1.29 |
| Issaoun et al. (2019) | 3 April | 86.3 | 1.9 | 0.10 | 0.12 | 9.7 | 2.58 | 1.12 | 2.89 |
| Event Horizon Telescope Collaboration (2022a,d) | 6−7 April | 228.1 | 2.4 | 0.052 | 0.052 | 4.1 | 2.08 | 1.40 | 2.91 |
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