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Table 2.
Hot-spot models used to fit Sgr A* GRAVITY data.
| Model ID | Bfield | Keplerianity | Parameters | log Z | χeff2 | i (deg) | rs (M) | Kcoeff | P (min) | PA (deg) |
|---|---|---|---|---|---|---|---|---|---|---|
| K_db | Default | Fixed | 7 | –22.9 | 0.57 | 158 | 10.0 | – | 72 | 127 |
| K_fb | Flipped | Fixed | 7 | –23.6 | 0.57 | 158 | 10.0 | – | 72 | 127 |
| supK_db | Default | Super | 8 | –21.9 | 0.49 | 156 | 11.6 | 1.3 | 70 | 125 |
| subK_db | Default | Sub | 8 | –24.3 | 0.87 | 157 | 10.0 | 1.0 | 72 | 125 |
| supK_db_a0 | Default | Super | 7 | –22.0 | 0.50 | 154 | 13.0 | 1.4 | 74 | 127 |
| subK_db_a0 | Default | Sub | 7 | –24.7 | 0.60 | 157 | 10.3 | 1.0 | 72 | 126 |
| supK_db_pa180 | Default | Super | 7 | –27.9 | 1.04 | 156 | 9.4 | 1.0 | 60 | – |
| subK_db_pa180 | Default | Sub | 7 | –28.2 | 1.05 | 164 | 7.2 | 0.5 | 85 | – |
| supK_db_ss | Default | Super | 9 | –21.6 | 0.59 | 155 | 11.6 | 1.2 | 73 | 125 |
| supK_db_BG | Default | Super | 9 | –24.8 | 0.60 | 154 | 12.3 | 1.4 | 69 | 127 |
| supK_db_ofst | Default | Super | 11 | –24.0 | 1.10 | 157 | 11.5 | 1.1 | 71 | 112 |
Notes. Left: Particular configuration choices per model. Right: Main findings, where the reported values correspond to the ML estimators. See Appendix A for the associated uncertainties.
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