Image Details
Caption: Figure A2.
Keck/ESI rest-frame UV spectra of the quasar sample. Black and red colors plot the flux and corresponding error array, respectively. BAL quasars (BI0 > 1000 km s−1) are labeled with orange text, and regions shaded in orange highlight prominent BAL absorption troughs. The dashed curves indicate the power-law continuum fits used to normalize the spectra. The spectra are available in CSV format at doi:10.5281/zenodo.18677316.
© 2026. The Author(s). Published by the American Astronomical Society.