Table 2
Output parameters and associated errors for the best-fit LTTE models (Eq. (6)) found for Chang 134 and V393 Car.
| Chang 134 | Chang 134 | V393 Car | V393 Car | |
|---|---|---|---|---|
| baseline | linear | quadratic | linear | quadratic |
| tm [BJDTDB] | 1668.16969 | 1668.16969 | 2060.26634 | 2060.26634 |
| a0 (s) | 0.17 ± 0.35 | 0.19 ± 0.99 | −14.63 ± 0.19 | −68.22 ± 0.26 |
| a1 (ppt) | 1.4 ± 1.2 | 1.9 ± 1.8 | 205.25 ± 0.23 | 448.3 ± 0.14 |
| a2 (ppms−1) | 0 (fixed) | −2.2 ± 7.5 | 0 (fixed) | 650.3 ± 3.7 |
| Porb (days) | 81.96 ± 0.28 | 82.09 ± 0.29 | 1071.5 ± 1.0 | 724.7 ± 2.0 |
| ϕ0 | 0.204 ± 0.072 | 0.215 ± 0.074 | 0.7485 ± 0.0016 | 0.9081 ± 0.0071 |
| α (s) | 6.11 ± 0.65 | 6.99 ± 0.66 | 107.25 ± 0.09 | 47.96 ± 0.17 |
| mp sin i (Mjup) | 43.1 ± 4.7 | 49.2 ± 4.8 | 175.7 ± 9.2 | 102.0 ± 5.3 |
| χ2 | 56.7 | 56.4 | 17326 | 8627 |
 |
4.36 | 4.69 | 753 | 392 |
Notes. For each of the four independent fits (i.e., linear and quadratic), we report the best-fit values and uncertainties of our parameters returned by their posterior distributions as a result of the DE-MC iterations. As discussed in Sect. 4, the adopted solution for Chang 134 is based on the linear model (first column), while for V393 Car, the data coverage is still insufficient to tell which model between (O–C)lin and (O–C)quad corresponds to the actual orbital solution.
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