Fig. 3
Selection of spectral lines of HD 50138 obtained with X-Shooter, Narval (BF09), and AMBER. All lines show some degree of variability. Note the varying strength of double peaks and the component at ν~ 0 km s-1. The Narval and CRIRES spectra are rebinned to match the X-Shooter resolution (9100 in the optical, 17 400 in the NIR).
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