A new treatment of telluric and stellar features for medium-resolution spectroscopy and molecular mapping - Application to the abundance determination on β Pic b

Open Access

Fig. 12

Molecular CCF maps of β Pic b for species CO, H₂O, CH₄ (10⁻⁴) and NH₃ (10⁻⁴). At each spaxel, the maps show the CCF height at 0 km s⁻¹, a value close to the expected radial velocity of the planet b, |VR|<10 km s⁻¹ given the instrument LSF of ~75 km s⁻¹.

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