Image Details
Caption: Figure 12.
Six DESI DR1 LRDs are detected with Mg IIλλ2796, 2803. The DESI spectra are shown in black, with gray shaded regions indicating the uncertainties. The best-fit Mg II doublets are shown in blue. The rest-frame wavelengths of Mg II at the redshift determined by [O III] 5008 are indicated by blue dashed vertical lines.
© 2026. The Author(s). Published by the American Astronomical Society.