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Table B.3

Default priors used for the GP fits on the photometric data using dSHO kernel.

Parameter Prior Unit Description
PGP 𝒰(1, 200) d Period of the GP
σGP, MEarth-11 (trend previously fitted) 𝒰(0, 50) ppt Amplitude of the GP for MEarth-11 data (trend previously fitted)
σGP, ASAS-SN (bf cam, V filter) 𝒰(0, 50) ppt Amplitude of the GP for ASAS-SN data (bf cam, V filter)
fGP 𝒰(0, 1) . . . Fractional amplitude of secondary mode
QGP 𝒥(0.1, 1 × 105) . . . Quality factor of secondary mode
dQGP 𝒥(0.1, 1 × 105) . . . Difference in quality factor between primary and secondary mode
γMEarth-11 (trend previously fitted) 𝒰(−10, 10) ppt MEarth-11 data (trend previously fitted) zero point
γASAS-SN (bf cam, V filter) 𝒰(−10, 10) ppt ASAS-SN data (bf cam, V filter) zero point
σMEarth-11 (trend previously fitted) 𝒰(0.0, 30) ppt MEarth-11 data (trend previously fitted) jitter added in quadrature
σASAS-SN (bf cam, V filter) 𝒰(0.0, 30) ppt ASAS-SN data (bf cam, V filter) jitter added in quadrature

Pre-fit to MEarth-11 data (trend)
interceptMEarth-11 𝒰(−100, 100) . . . Intercept parameter of the MEarth-11 data trend
slopeMEarth-11 𝒰(−100, 100) . . . Slope parameter of the Earth-11 data trend
quadMEarth-11 𝒰(−2, 2) . . . Quadratic coefficient of the MEarth-11 data trend
γMEarth-11 𝒰(−10, 10) ppt MEarth-11 data zero point
σMEarth-11 𝒰(0.0, 30) ppt MEarth-11 data jitter added in quadrature

Notes. The prior labels 𝒰, and 𝒥 represent uniform and log-uniform distributions, respectively.

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