Chromaticity of stellar activity in radial velocities - Anti-correlated families of lines on the M dwarf EV Lac with SPIRou and SOPHIE

Open Access

Fig. 5

Continuum contrast estimated for EV Lac, using the pseudo-continuums of a PHOENIX photospheric model spectrum at 3300 Κ and a spot model spectrum at 3000 K. SOPHIE wavelength range in blue. SPIRou wavelength range in red.

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