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Table 5
Linear and quadratic ephemeris (in BJDUTC) fitted to data of Kepler-9 system.
| Ephemeris | Kepler-9b |
|
|
|
| Linear | 2 455 073.448177 ± 0.000069 |
| 19.243719 ± 0.000020 | |
|
|
|
| Quadratic | 2 455 073.433861 ± 0.012302 |
| 19.243164 ± 0.002317 | |
| 0.001271 ± 0.000846 | |
| Kepler-9c | |
|
|
|
| Linear | 2 455 086.276884 ± 0.000121 |
| 38.972972 ± 0.000072 | |
|
|
|
| Quadratica | 2 455 086.311873 ± 0.014707 |
| 38.962410 ± 0.006893 | |
| −0.013413 ± 0.004030 | |
Notes.
(a)
We used the central transit time as reference for the quadratic fitting, while Holman et al. (2010) used the last time.
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