Image Details
Caption: Figure 7.
The observed HST δt = 7 days spectrum with the calculated blackbody spectrum and observed photometry at δt = 7 days. The observed spectrum and photometry are corrected for dust extinction.
(The data used to create this figure are available in the online article.)
(The data used to create this figure are available.)
© 2026. The Author(s). Published by the American Astronomical Society.