Image Details
Caption: Figure 4.
K-band GRAVITY spectra of PDS 70b, HR8799 e (J. Kammerer et al. 2025), and WISPIT 2 c. Offsets have been applied along the y-axis The CO feature (highlighted by the pink box) can be clearly seen in HR8799 and WISPIT 2 c, but is lacking in PDS 70b.
© 2026. The Author(s). Published by the American Astronomical Society.