Image Details
Caption: Figure 6.
Keck/NIRSPEC average excess absorption spectra in percent for TOI-4010 b (first panel), TOI-4010 c (second panel), and TOI-4010 d (third panel) shown as black points. The shaded red region marks the location of a telluric OH line masked in our analysis (see Figures 2 and 3). AIOLOS model predictions for the He* excess absorption signal are shown as green lines.
© 2025. The Author(s). Published by the American Astronomical Society.