Image Details
Caption: Figure 1.
(a) Absolute ﹩{(J-{K}_{s})}_{0}﹩ versus MJ color–magnitude diagram for 227 FFP candidates, color-coded by reliability class, with BHAC15 isochrones overplotted. (b) Simulated Roman WFI Prism spectrum (R ≈ 100, blue) of a 900 K planetary-mass object compared to the input high-resolution BT-Settl model (gray).
© 2026. The Author(s). Published by the American Astronomical Society.