The CARMENES search for exoplanets around M dwarfs - The impact of rotation and magnetic fields on the radial velocity jitter in cool stars

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Volume 692 (December 2024)

A&A, 692 (2024) A138

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Table 3.

Comparison of predicted and observed jitter for six CARMENES-TESS stars.

TOI	v_eq	$σ_{jitter}^{pred}$ $\sigma^{\mathrm{pred}}_{\mathrm{jitter}}$	$σ_{jitter}^{meas}$ $\sigma^{\mathrm{meas}}_{\mathrm{jitter}}$	$σ_{jitter + GP}^{lit}$ $\sigma^{\mathrm{lit}}_{\mathrm{jitter+GP}}$	Ref
	[km s⁻¹]	[m s⁻¹]	[m s⁻¹]	[m s⁻¹]
442	0.84 ± 0.08	$3.4_{- 1.6}^{+ 3.0}$ $3.4\,^{+3.0}_{-1.6}$	12.7 ± 1.1	$5.20_{- 0.58}^{+ 0.77}$ $5.20\,^{+0.77}_{-0.58}$	Drei20
562	0.22 ± 0.01	$2.0_{- 0.9}^{+ 1.7}$ $2.0\,^{+1.7}_{-0.9}$	1.58 ± 0.32	$2.8_{- 0.8}^{+ 1.0}$ $2.8\,^{+1.0}_{-0.8}$	Luq19
1201	1.22 ± 0.12	$4.6_{- 2.1}^{+ 4.0}$ $4.6\,^{+4.0}_{-2.1}$	7.22 ± 0.90	$3.7_{- 1.1}^{+ 1.7}$ $3.7\,^{+1.7}_{-1.1}$	Kos21
1801	1.72 ± 0.12	$6.3_{- 2.9}^{+ 5.4}$ $6.3\,^{+5.4}_{-2.9}$	11.68 ± 0.48	$6.49_{- 0.87}^{+ 0.94}$ $6.49\,^{+0.94}_{-0.87}$	Mal23
4438	0.28 ± 0.03	$2.0_{- 0.9}^{+ 1.8}$ $2.0\,^{+1.8}_{-0.9}$	2.88 ± 0.57	$1.33_{- 0.80}^{+ 0.71}$ $1.33\,^{+0.71}_{-0.80}$	Gof24
4599	0.59 ± 0.01	$2.7_{- 1.3}^{+ 2.4}$ $2.7\,^{+2.4}_{-1.3}$	3.00 ± 0.28	$2.79_{- 0.50}^{+ 0.57}$ $2.79\,^{+0.57}_{-0.50}$	Luq22

Notes. Drei20: Dreizler et al. (2020), Luq19: Luque et al. (2019), Kos21: Kossakowski et al. (2021), Mal23: Mallorquín et al. (2023), Gof24: Goffo et al. (2024), Luq22: Luque et al. (2022).

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