Table 1.
Orbital parameters yielding permissible hot spot trajectories for the circular model.
| Orb. frequency | Radius | Best-fit | χr2 = χ2/13 |
|---|---|---|---|
| ω/ωK | r/rg | r/rg | |
| 0.8(a) | 5.5–5.8 | 5.8 | 2.015 |
| 1 | 6.5–7 | 6.8 | 1.725 |
| 1.2 | 7.3–8 | 7.5 | 1.408 |
| 1.5 | 8.5–9.5 | 8.8 | 1.02 |
| 1.8 | 9.8–10.5 | 10.0 | 1.001 |
| 2 | 10.5–11.5 | 11.0 | 1.007 |
| 2.2 | 11.5–12.2 | 11.8 | 1.01 |
| 2.5 | 12.5–13.3 | 13.0 | 1.173 |
Notes. First column: Orbital frequency of the hot spot. Second column: Range of circular radii. Third column: Best-fit orbital radius. Fourth column: Best-fit χr2 value.
(a)We include the best-fit orbital parameters for the sub-Keplerian orbit illustrated in the first panel of Figure 1, even though it is classified as impermissible.
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