Image Details
Caption: Figure 14.
Similar to Figure 11. The cosmic web from HLWAS Spec-Deep in TNG100 (top) and from HLWAS 2.5×Spec-Deep in TNG50 (bottom) are shown, with the Roman WFI FOV overlaid in lime-green. Targeted deep spectroscopy over selected overdense regions can allow better cosmic web reconstruction.
© 2026. The Author(s). Published by the American Astronomical Society.