Rossiter-McLaughlin detection of the 9-month period transiting exoplanet HIP41378 d

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Table A.2

List of parameters used in the RM Revolutions analysis.

Parameter model	Prior	Posterior (median and 68.3% C.I.)
Rossiter-McLaughlin Revolutions model parameters
FWHM [km s⁻¹]	𝒰(0, 30)*	${3.8}_{- 1.8}^{+ 1.3}$ $3.8_{ - 1.8}^{ + 1.3}$
Line contrast	𝒰(0, 1)	0.6 ± 0.1
Projected obliquity λ [°]	𝒰(−180, 180)	${57.1}_{17.9}^{+ 26.4}$ $57.1_{17.9}^{ + 26.4}$
υ sin i_⋆[km s⁻¹]	𝒰(0, 20)*	6.8 ± 1.0

* The other prior: the quadratic sum of the FWHM of the CCF_intr, υ sin i_⋆, and the instrumental FWHM must be lower than the FWHM of the CCF_DI, and hence 9.8 km s⁻¹

NOTE: All the orbital and transit parameters are fixed and taken from Santerne et al. (2019).

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