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Table 4

Photometric properties of the synthetic system SYNTH-4.

Parameter and unit Symbol SYNTH-4

Ratio of fractional radii rP/rS 0.092
Orbital inclination (°) i 89.1
Relative semi-major axis a/RS 11.7
Planetary orbital period (d) P orb 5.72
Transit mid time (HJD-2 400 000) T mid 55 197.4130
Orbital eccentricity e 0.0
Argument of periastron (°) ω 0.0
Spot longitude (°) θ − 10.0
Spot co-latitude (°) φ 74.0
Spot size (°) α 5.0
Added random noise level (ppm) 300

SYNTH-4a (Johnson B filter):
Linear LDC u 1 0.6328
Quadratic LDC u 2 0.1834
Spot contrast ρ spot 0.301

SYNTH-4b (Johnson V filter):
Linear LDC u 1 0.4306
Quadratic LDC u 2 0.2995
Spot contrast ρ spot 0.383

SYNTH-4c (Cousins R filter):
Linear LDC u 1 0.3316
Quadratic LDC u 2 0.3275
Spot contrast ρ spot 0.434

SYNTH-4d (Cousins I filter):
Linear LDC u 1 0.2486
Quadratic LDC u 2 0.3288
Spot contrast ρ spot 0.537

Notes. The five TLCs show the same transit event and occulted starspot observed in the Johnson B, V, and Cousins R, I filters.

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