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Table 4
Observed and derived parameters for the Kepler-87 (KOI 1574) system.
| Observed parameters | |||
| Quantity | Best fit | Median | 1σ error |
|
|
|||
| LinearP01[d] | 114.73635 | 114.73631 | ± 0.00015 |
| a01/R∗ | 57.4 | 56.8 |
|
| r01/R∗ | 0.06855 | 0.06859 |
|
| b01/R∗ | 0.727 | 0.732 |
|
| LinearP02[d] | 191.2318 | 191.2315 | ± 0.0015 |
| a 02 | 80.7 | 79.9 |
|
| r02/R∗ | 0.03123 | 0.03119 |
|
| b02/R∗ | 0.579 | 0.591 |
|
| P03 [d] | 5.833904 | 5.833902 |
|
| T mid,3 a | 517.6762 | 517.6753 |
|
| a 03 | 7.88 | 7.80 |
|
| r03/R∗ | 0.00856 | 0.00853 |
|
| b03/R∗ | 0.567 | 0.591 |
|
| P04 [d] | 8.97741 | 8.97730 | ± 0.00011 |
| a 04 | 10.50 | 10.40 |
|
| T mid,4 | 519.4697 | 519.4679 |
|
| r04/R∗ | 0.00983 | 0.00925 |
|
| b04/R∗ | 0.746 | 0.742 |
|
|
|
|||
| Stellar parameters derived from spectroscopy | |||
|
|
|||
| M∗ [M⊙] | 1.1 | ±0.05 | |
| R∗ [R⊙] | 1.82 | ±0.04 | |
| Age [Gyr] | 7−8 | ||
|
|
|||
| Parameters from dynamical modeling | |||
| Quantity | Mean | Median | 1σ error |
|
|
|||
| M∗ [M⊙] | 1.05 | 1.08 | ±0.06 |
| m01 [M⊕] | 324.2 | 326.1 | ±8.8 |
| a01t [AU] | 0.471 | 0.474 | ±0.010 |
| P01 [d] | 114.7309 | 114.7310 | ±0.0005 |
| e 01 | 0.036 | 0.039 | ±0.009 |
| ω01 [°] | 238.6 | 255.3 | ±27.6 |
| M01 [°] | 293.0 | 296.7 | ±23.6 |
| m02 [M⊕] | 6.4 | 6.5 | ±0.8 |
| a02 [AU] | 0.664 | 0.668 | ±0.013 |
| P02 [d] | 192.363 | 192.389 | ±0.074 |
| e 02 | 0.039 | 0.042 | ±0.012 |
| ω02 [°] | 223.2 | 240.1 | ±18.8 |
| M02 [°] | 291.4 | 297.3 | ±14.4 |
|
|
|||
| Derived physical parameters | |||
| Quantity | Best fit | Median | 1σ error |
|
|
|||
| r01 [R⊕] | 13.49 | 13.49 | |
| a01 [AU]b | 0.481 | 0.476 |
|
| i01 [°] | 89.274 | 89.262 |
|
| ρ01 [g cm-3] | 0.729 | 0.728 | |
| Teq,01 [K] | 478.1 | 480.5 | ± 4.3 |
| r02 [R⊕] | 6.14 | 6.14 | |
| a02 [AU]b | 0.676 | 0.669 |
|
| i02 [°] | 89.588 | 89.576 |
|
| ρ02 [g cm-3] | 0.152 | 0.153 | |
| Teq,02 [K] | 403.3 | 405.2 | ± 3.6 |
| r03 [R⊕] | 1.68 | 1.68 | |
| a03 [AU]b | 0.0660 | 0.0654 |
|
| i03 [°] | 85.87 | 85.66 |
|
| Teq,03 [K] | 1291 | 1297 | ± 12 |
| r04 [R⊕] | 1.93 | 1.82 | |
| a04 [AU]b | 0.0880 | 0.0871 |
|
| i04 [°] | 85.93 | 85.91 |
|
| Teq,04 [K] | 1117.9 | 1123.3 | ± 10.0 |
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