Table 1
Stellar and star-spot parameters for the six-spot solution and – for comparison – a four-spot solution.
| Parameter | Six spots | Four spots | |||
|
|
|||||
| Inclination | i | 55°.6 | ± 0.1 | 56°.9 | ± 0.1 |
| Period | P | 1.91909 | ± 0.00001 | 1.91909 | ± 0.00002 |
| Spot intensity | κ | 1.42 | ± 0.01 | 1.47 | ± 0.01 |
| First spot | |||||
| longitude | λ 1 | 323°.4 | ± 0.1 | 320°.5 | ± 0.1 |
| latitude | β 1 | 47°.7 | ± 0.1 | 64°.2 | ± 0.1 |
| radius | γ 1 | 19°.3 | ± 0.1 | 26°.4 | ± 0.1 |
| Second spot | |||||
| longitude | λ 2 | 140°.2 | ± 0.1 | 132°.2 | ± 0.1 |
| latitude | β 2 | 64°.2 | ± 0.1 | 64°.0 | ± 0.1 |
| radius | γ 2 | 19°.7 | ± 0.1 | 23°.7 | ± 0.1 |
| Third spot | |||||
| longitude | λ 3 | 239°.9 | ± 0.1 | 237°.1 | ± 0.1 |
| latitude | β 3 | − 3°.3 | ± 0.1 | − 0°.3 | ± 0.1 |
| radius | γ 3 | 10°.8 | ± 0.1 | 10°.7 | ± 0.1 |
| Fourth spot | |||||
| longitude | λ 4 | 69°.6 | ± 0.1 | ||
| latitude | β 4 | − 16°.3 | ± 0.2 | ||
| radius | γ 4 | 7°.8 | ± 0.1 | ||
| Fifth spot | |||||
| longitude | λ 5 | 32°.9 | ± 0.1 | 38°.5 | ± 0.1 |
| latitude | β 5 | − 25°.8 | ± 0.1 | − 47°.9 | ± 0.1 |
| radius | γ 5 | 8°.2 | ± 0.1 | 15°.8 | ± 0.1 |
| Sixth spot | |||||
| longitude | λ 6 | 310°.2 | ± 0.2 | ||
| latitude | β 6 | − 60°.6 | ± 0.2 | ||
| radius | γ 6 | 21°.2 | ± 0.2 | ||
|
|
|||||
| Residuals | ±0.123 | ±0.134 | |||
Notes. Listed are expectation values and 1σ credibility intervals. The spot ranking of the six-spot model is according to importance, i.e. impact on light curve. The period P is given in days, the spot intensity κ in units of the intensity of the unspotted surface. The contingent part of the residuals is listed in mmag. From the kth spot longitude epochs (HJD) may be computed: 
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