The CARMENES search for exoplanets around M dwarfs - Understanding the wavelength dependence of radial velocity measurements

Open Access

Table 2

CRX-gradient with activity.

Parameter	Moderate gradients	Steep gradients	Figure no.
Spectral type	Early to mid M	Late-M	8
v sin i	≤11 km s⁻¹	Low to moderate	8
log(L_Hα/L_bol)	Active (high)	Active (moderate)	9
Hα sat/unsat	Saturated	Saturated	10
TiO 7050	Lowest value per SpT bin	Late M hook	11
log(L_x/L_bol)	Saturated	...	Not shown⁽¹⁾
Ave mag. field	Highest	Moderate	13
Ave mag. field sat/unsat	Saturated	Saturated	13

Notes. The shallow gradients are not shown as this group only comprises only 1 star. ⁽¹⁾The log(L_x/L_bol) plot is not shown as many of the stars in the CRX-all sample do not have X-ray values.

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