Image Details
Caption: Figure 13.
Left: velocities of identified P Cygni profiles in the δt = 7 days HST spectrum. Right: velocities of possible P Cygni profiles corresponding to ion signatures in the δt = 7 days HST UV spectrum. All spectral features are shown after correcting for redshift and extinction.
© 2026. The Author(s). Published by the American Astronomical Society.