Image Details
Caption: Figure 4.
Telluric line identification for the Na I region, zoomed on the Na I feature around 819 nm. Top panel: GHOST spectrum of NGTS-EB-8 shown in black. Regions identified as telluric absorption features are highlighted in red and marked with ⊕. Bottom panel: GHOST spectrum of the telluric standard star (HIP 60985) in blue and the synthetic PHOENIX spectrum that represents an A0V star in orange.
© 2025. The Author(s). Published by the American Astronomical Society.