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Table 4.
Binary parameters of TIC 321254859 (EL CMi) with two different methods.
| Parameter | PHOEBE | Light curve + SED (1) | Light curve + SED (2) |
|---|---|---|---|
| M1 [M⊙] | 1.78 ± 0.03 | 1.70 ± 0.03 | 1.75 ± 0.03 |
| M2 [M⊙] | 0.93 ± 0.01 | 0.96 ± 0.03 | 0.97 ± 0.03 |
| R1 [R⊙] | 1.88 ± 0.01 | 1.85 ± 0.11 | 2.14 ± 0.11 |
| R2 [R⊙] | 1.97 ± 0.01 | 2.00 ± 0.03 | 1.72 ± 0.12 |
| Teff, 1 [K] | 7750 (fixed) | 7779 ± 120 | 7566 ± 120 |
| Teff, 2 [K] | 5040 ± 10 | 5216 ± 123 | 5113 ± 120 |
| i° [deg] | 78.6 ± 0.05 | 76.9 ± 0.7 | 80.6 ± 2.3 |
| L1 [L⊙] | 11.5 ± 0.6 | 11.3 ± 1.2 | 13.6 ± 1.2 |
| L2 [L⊙] | 2.26 ± 0.05 | 2.7 ± 0.27 | 1.80 ± 3.2 |
| q | 0.523 ± 0.004 | 0.566 ± 0.019 | 0.554 ± 0.019 |
| γ [km s−1] | 28.0 ± 1.4 | n/a | n/a |
Notes. All the fits used the RV data. (1) Light curve plus SED joint fit under the assumption that the secondary star fills its Roche lobe. (2) Light curve plus SED joint fitting under the assumption that the secondary does not overfill its Roche lobe.
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