The polar orbit of the warm Neptune GJ 436b seen with VLT/ESPRESSO

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Volume 663 (July 2022)

A&A, 663 (2022) A160

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Table 3

Comparison of RM analyses.

Instruments	Analysis	Parameters

		υ sin i_★ (ms⁻¹)	λ (°)
ESPRESSO	Classical RM	${272.0}_{- 34.0}^{+ 40.0}$ $272.0_{ - 34.0}^{ + 40.0}$	${102.5}_{- 18.5}^{+ 17.2}$ $102.5_{ - 18.5}^{ + 17.2}$
ESPRESSO	Reloaded RM	${292.9}_{- 49.9}^{+ 41.9}$ $292.9_{ - 49.9}^{ + 41.9}$	${107.5}_{- 19.3}^{+ 23.6}$ $107.5_{ - 19.3}^{ + 23.6}$
ESPRESSO	RM Revolutions	${300.5}_{- 57.0}^{+ 45.9}$ $300.5_{ - 57.0}^{ + 45.9}$	${114.1}_{- 17.8}^{+ 22.8}$ $114.1_{ - 17.8}^{ + 22.8}$
HARPS/HARPS-N	Bourrier et al. (2018b)	$330_{- 66}^{+ 91}$ $330_{ - 66}^{ + 91}$	$72_{- 24}^{+ 33}$ $72_{ - 24}^{ + 33}$
HARPS/HARPS-N	RM Revolutions	${290.1}_{- 147.9}^{+ 127.7}$ $290.1_{ - 147.9}^{ + 127.7}$	${102.4}_{- 50.4}^{+ 57.4}$ $102.4_{ - 50.4}^{ + 57.4}$
HARPS/HARPS-N/ESPRESSO	RM Revolutions	${293.5}_{- 52.2}^{+ 43.7}$ $293.5_{ - 52.2}^{ + 43.7}$	${113.5}_{- 17.3}^{+ 23.3}$ $113.5_{ - 17.3}^{ + 23.3}$

Notes. The analysis from Bourrier et al. (2018b) was performed with an older version of the Reloaded RM technique and a different reduction of the CCFs.

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