An improved correction of radial velocity systematics for the SOPHIE spectrograph

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Volume 687 (July 2024)

A&A, 687 (2024) A148

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Table C.1

GP hyperparameters used in the analysis.

parameter	Prior	Posterior (median and 68.3% C.I.)
		BJD < 57700	BJD > 57700
c [m s⁻¹]	𝒰(0, 5)	${2.946}_{- 0.194}^{+ 0.221}$ $2.946_{ - 0.194}^{ + 0.221}$	${1.223}_{- 0.117}^{+ 0.137}$ $1.223_{ - 0.117}^{ + 0.137}$
l_pressure	𝒰(0, 5)	${0.411}_{- 0.034}^{+ 0.040}$ $0.411_{ - 0.034}^{ + 0.040}$	${0.243}_{- 0.036}^{+ 0.043}$ $0.243_{ - 0.036}^{ + 0.043}$
l_container	𝒰(0, 5)	${1.060}_{- 0.149}^{+ 0.226}$ $1.060_{ - 0.149}^{ + 0.226}$	${2.974}_{- 1.405}^{+ 0.043}$ $2.974_{ - 1.405}^{ + 0.043}$
l_coude	𝒰(0, 5)	${1.197}_{- 0.108}^{+ 0.134}$ $1.197_{ - 0.108}^{ + 0.134}$	${0.978}_{- 0.155}^{+ 0.192}$ $0.978_{ - 0.155}^{ + 0.192}$
l_pectro	𝒰(0, 5)	${0.665}_{- 0.062}^{+ 0.071}$ $0.665_{ - 0.062}^{ + 0.071}$	${0.281}_{- 0.038}^{+ 0.047}$ $0.281_{ - 0.038}^{ + 0.047}$

Values for the length-scale hyperparameters l have arbitrary nor malization due to the standardisation of their associated house keeping variables.

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